Answer:it is 32 peices d
Step-by-step explanation:
Translate this sentence into an equationThe product of 6 and Carlos age is 90Use a variable C to represent Carlos age
Let c be Carlo´s age, then the given statement can be written as follows in algebraic notation:
\(6\times c=90.\)Answer:
\(6\times c=90.\)What is f(5) for the function f(x)=-9x-10
Step-by-step explanation:
In this form, x = 5.
so we'll substitute 5 in for x...
f(5) = -9(5) -10
f(5) = -45 -10
f(5) = -55
essentially saying, when x = 5, y = -55
Which equation does not depict a linear relationship?
a. f(x) = 3x + 1
b. g(x) = -3x + 1
c. 4x + 4y = 0
d. y = 3x² +1
e. All the answers above are linear relationships.
Answer:
d doesnot depict a linear relationship as y= mx+c to have linear equation
Answer:
d is not tha answer as it is quadratic equation
he goal of this question is to use Green's theorem to compute the area of the interior of the curve x 2 / 3 y 2 / 3
The area of interior of the curve by use Green's theorem is 3pi/8.
What is Green's theorem?
Green's theorem says that if you add up all the microscopic circulation inside C (i.e., the microscopic circulation in D), then that total is exactly the same as the macroscopic circulation around C.
We have given curve x2/3+y2/3=1
parametrizing the curve
Let x(t)=cos3t,y(t)=sin3t
(cos3t)2/3+(sin3t)2/3=1 implies (cos2t)+(sin2t)=1 ,for 0<=t<=2pi
dx=-3cos2t*(sint)dt,dy=3sin2t cost dt
So, the area equals (By Green's theorem)
1/2* integration of (-y dx+x dy) over C
=1/2*integration of(0 to 2pi) (-sin3t(-3cos2t*(sint))+cos3t(3sin2t cost)) dt
=1/2*integration of(0 to 2pi) (3sin4t cos2t+3cos4tsin2t) dt
=1/2*integration of(0 to 2pi) [(3sin2t cos2t)*(sin2t+cos2t)]dt
=1/2*integration of(0 to 2pi) [(3sin2t cos2t)]dt since sin2t+cos2t=1
=3/2*integration of(0 to 2pi) [(sint*cost)2]dt
=3/2*integration of(0 to 2pi) [((1/2)sin(2t))2]dt since sin(t)cos(t)=(1/2)*sin(2t)
=3/8*integration of(0 to 2pi) [sin2(2t)]dt
plug sin2(2t) = (1-cos(4t))/2
=3/8*integration of(0 to 2pi) [(1-cos(4t))/2]dt
=3/16*[t-sin(4t)/4] from 0 to 2pi
=3/16*[2pi - sin(4*2pi)/4-(0-sin(0)/4)]
=3/16*[2pi] since sin(8pi)=0
=(3pi)/8
Therefore, the area of interior of the curve is 3pi/8.
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The complete question is -
Find a parametrization of the curve x2/3 + y2/3 1 and use Green's Theorem to compute the area of the interior. Hint: See Example 2 page 751 to see how Green's Theorem can be used to compute areas. To find a parametrization, you should consider modifying the parametrization a(t) cos t, y(t) sint, which is a parametrization for the unit circlez2 +y2-1
(Related to Checkpoint 5.6) (Solving for i) Kirk Van Houten, who has been married for 21 years, would like to buy his wife an expensive diamond ring with a platinum setting on their 30-year wedding anniversary. Assume that the cost of the ring will be $13,000 in 9 years. Kirk currently has $4,532 to invest. What annual rate of return must Kirk earn on his investment to accumulate enough money to pay for the ring? The annual rate of return Kirk must earn on his investment to accumulate enough money to pay for the ring is %. (Round to two decimal places.)
Kirk must earn an annual rate of return of approximately 6.07% on his investment to accumulate enough money to pay for the ring.
To calculate the annual rate of return Kirk must earn on his investment, we can use the formula for compound interest:
A = P(1 + r/n)^(nt)
where:
A = final amount (the cost of the ring, which is $13,000 in 9 years)
P = initial amount (the amount Kirk currently has, which is $4,532)
r = annual interest rate (what we need to solve for)
n = number of times interest is compounded per year (assuming it's compounded annually, n = 1)
t = number of years (9 years)
Plugging in the given values:
$13,000 = $4,532(1 + r/1)^(1*9)
Next, simplify the equation:
(1 + r)^(9) = 13000/4532
Take the ninth root of both sides:
1 + r = (13000/4532)^(1/9)
Solve for r:
r = (13000/4532)^(1/9) - 1
Now, plug the value into a calculator to find r:
r = 0.0607
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The standard length of a piece of cloth for a bridal gown is 3.25 meters. A customer selected 35 pcs of cloth for this purpose. A mean of 3.52 meters was obtained with a variance of 0.27 m2 . Are these pieces of cloth beyond the standard at 0.05 level of significance? Assume the lengths are approximately normally distributed
The pieces of cloth are beyond the standard at 0.05 level of significance.
We can use a one-sample t-test to determine if the mean length of the 35 pieces of cloth is significantly different from the standard length of 3.25 meters.
The null hypothesis is that the mean length of the cloth pieces is equal to the standard length:
H0: μ = 3.25
The alternative hypothesis is that the mean length of the cloth pieces is greater than the standard length:
Ha: μ > 3.25
We can calculate the test statistic as:
t = (x - μ) / (s / √n)
where x is the sample mean length, μ is the population mean length (3.25 meters), s is the sample standard deviation (0.52 meters), and n is the sample size (35).
Plugging in the values, we get:
t = (3.52 - 3.25) / (0.52 / √35) = 3.81
Using a t-table with 34 degrees of freedom (n-1), and a significance level of 0.05 (one-tailed test), the critical t-value is 1.690.
Since our calculated t-value (3.81) is greater than the critical t-value (1.690), we reject the null hypothesis and conclude that the mean length of the 35 pieces of cloth is significantly greater than the standard length at the 0.05 level of significance.
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What is ∣−0.9| i found this in khan academy and i do not get it
Answer:
\(0.9\)
Step-by-step explanation:
\(\text{Absolute value is always positive. So,}\\\\|-0.9| = 0.9\)
I need this hurry please
I’ll give brainliest if right, show work
Answer:
\(7x + y = 19 \\ 4x + y = 16 \\ so \: \\ 7x + y = 19 \\ - 4x - y = - 16 \\ 3x = 3 \\ x = 1\)
\(7(1) + y = 19 \\ y = 12\)
During the rebuilding after World War II, we were short of tractors. The machine and tractor stations would lend each other equipment as needed. Three machine and tractor stations were neighbors. The first lent the second and third as many tractors as they each already had. A few months later, the second lent the first and third as many as they each had. Still later, the third lent the first and second as many as they each already had. Each station now had 24 tractors.
How many tractors did each station originally have?
The number of tractors lent by the first, second and third stations results in a system of three simultaneous equations which indicates;
The first originally station had 39 tractors, the second station had 21 tractors and the third station originally had 12 tractors
What are simultaneous equations?Simultaneous equations are a set of two or more equations that have common variables.
Let x represent the number of tractors at the first station, let y represent the number of tractors at the second tractor station, and let z, represent the number of tractors at the third tractor station
According to the details in the question, after the first transaction, we get
Number of tractors at the first station = x - y - z
Number of tractors at the second station = y + y = 2·y
Number of tractors at the third station = z + z = 2·z
After the second transaction, we get;
Number of tractors at the first station = 2·x - 2·y - 2·z
Number of tractors at the second station = 2·y - (x - y - z) - 2·z = 3·y - x - z
Number of tractors at the third station = 2·z + 2·z = 4·z
After the third transaction, we get;
Number of tractors at the first station = 2 × (2·x - 2·y - 2·z) = 4·x - 4·y - 4·z
Number of tractors at the second tractor station = 6·y - 2·x - 2·z
Number of tractors at the third tractor station = 4·z - (2·x - 2·y - 2·z) - (3·y - x - z) = 7·z - x - y
The three equations after the third transaction are therefore;
4·x - 4·y - 4·z = 24...(1)
6·y - 2·x - 2·z = 24...(2)
7·z - x - y = 24...(3)
Multiplying equation (2) by 2 and subtracting equation (1) from the result we get;
12·y - 4·x - 4·z - (4·x - 4·y - 4·z) = 16·y - 8·x = 48 - 24 = 24
16·y - 8·x = 24...(4)
Multiplying equation (3) by 2 and multiplying equation (2) by 7, then adding both results, we get;
14·z - 2·x - 2·y = 48
42·y - 14·x - 14·z = 168
42·y - 14·x - 14·z + (14·z - 2·x - 2·y) = 48 + 168
40·y - 16·x = 216...(5)
Multiplying equation (4) by 2 and then subtracting the result from equation (5), we get;
40·y - 16·x - (32·y - 16·x) = 216 - 48 = 168
8·y = 168
y = 168/8 = 21
The number of tractors initially at the second station, y = 21
16·y - 8·x = 24, therefore, 16 × 21 - 8·x = 24
8·x = 16 × 21 - 24 = 312
x = 312 ÷ 8 = 39
The number of tractors initially at the first station, x = 39
7·z - x - y = 24, therefore, 7·z - 39 - 21 = 24
7·z = 24 + 39 + 21 = 84
z = 84/7 = 12
The number of tractors initially at the third station, z = 12
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alice has a bag containing balls that are each colored either red or blue. bob reaches in to pick five of the balls, and says that he hopes to get at least one of each color. alice reveals that this is guaranteed! what is the largest total number of balls that alice could have in the bag?
The largest total number of balls that alice could have in the bag is 5.
Bob wants to pick five balls from the bag and get at least one of each color, red and blue. Alice has guaranteed that this is possible, which means that there must be enough balls in the bag and at least one of each color.
The maximum number of balls in the bag can be achieved when the total number of balls is the same as the total number of balls Bob picks, which is 5.
In this case, Bob could pick one red and four blue, or one blue and four red, and he would still get at least one of each color.
This means that the largest total number of balls that Alice could have in the bag is 5.
It's important to note that this is the maximum number and it's possible that there are less balls in the bag. The maximum number of balls in the bag can only be achieved when Bob picks one red and four blue, or one blue and four red.
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a helpful rule for converting radians to degrees is
Answer:
Degrees = Radians x 180/π
or
Degrees = 57.2958 x radians
Step-by-step explanation:
1 radian = 180/π degrees
1 radian = 57.2958 degrees
Multiply radians by this factor of 57.2958 to get the equivalent measure in degrees
π radians = 180°
2π radians = 360° which is the number of degrees in a circle
For anything greater than 2π radians you will have to subtract 360°
For example, 7 radians using the formula is 7 x (57.2958 ) ≈ 401.07°
But this still falls in the first quadrant, so relative to the x-axis it is
401.07 - 360 = 41.07°
What is centroid and circumcentre?
The centroid and circumcenter of triangles are both geometric notions.
The distinction between a circumcenter and a centroid
Centroid:is a place where the triangle's medians coincide is known as the centroid. A triangle's median is a line segment that runs from one of the triangle's vertices to the middle of the other side. The centroid, which is sometimes designated as "G," is situated at the junction of all three medians. It is regarded as the triangle's center of mass or equilibrium point. Each median is split into two segments by the centroid, with the larger segment being closer to the vertex and the ratio of the segments' lengths being 2:1.
The centroid's characteristics
The centroid is situated two-thirds of the way between each vertex and the opposing side's middle.
It is located within the triangle.
The centroid is a triangle's uniformly thick and dense center of gravity.
The triangle is divided into three equal-sized triangles by the centroid.
A circumcenter's is perpendicular to a triangle's side and runs through that side's midpoint is called a perpendicular bisector. The unique circle that traverses all three of the triangle's vertices is called the circumcircle, and its center is known as the circumcenter. It is frequently indicated as "O"
The circumcenter's characteristics are:
Depending on the type of triangle, the circumcenter may be within, outside, or on the triangle.
The circumcenter is located inside the triangle if the triangle is sharp.
The circumcenter is outside the triangle if the triangle is acute.
The midpoint of the hypotenuse is where the circumcenter is found in a triangle with a right angle.
The triangle's three vertices are all equally far from the circumcenter.
The circumcenter is the point where the perpendicular bisectors, which are equally spaced from the triangle's respective sides, intersect.
Both the centroid and circumcenter are significant triangle locations with unique geometric characteristics.
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someone do these please!
Answer:
I think the first option is better.
Step-by-step explanation:
First : 5.75% of $5000 is 287.5. 287.5 * 24 = 6900
And 6.55 of $5000 is 325. 325 * 36 = 117000
If she takes the first option it would be better because it is nearer to what she can afford. It is also better because it helps her make more than 5000 in less time.
HOPE THIS HELPED.
IF IT DOESN'T PLEASE COMMENT.
Pls help!!!! Match each equation with its solution
If y varies inversely with x
and y is 10 when x is 5,
then what is y when xis 2?
Answer:
4
Step-by-step explanation:
First let’s write out the info:
X Y
5 10
2 ?
Five is to ten as two is to what? Well let’s find out.
Five times TWO is ten, so logically, we multiply two times two.
2x2=4
The answer is 4
I hope this helps! :D
pls give thx and brainliest if I’m right ;)
A plumber has 8 9/10 feet of rubber tubing to make 2 rubber pipes. He will use3 1/12 feet of tubing to make each pipe. The plumber says he will have about 3 feet of rubber tubing after he makes the pipes. Is his statement reasonable?
Answer:the answer is D
Step-by-step explanation:
This is reasonable because feet can be rounded to 9 feet and feet can be rounded to 3 feet. Since 9 - 2(3) = 3, the plumber will have about 3 feet of rubber tubing left. its true make sure you read the answer to make sure bc they can mix them up LOL
Todd played 18 racket ball matches.
He won all but 2 of his matches. How
many matches did he win? Answer as
a one step equation.
9514 1404 393
Answer:
w + 2 = 18
Step-by-step explanation:
If w represent the number of wins, then the total number of matches is ...
w + 2 = 18
will give brainliest answer!!!
(give all relationships)
a. adjacent
b. vertical
c. complementary
d. supplementary
e. linear pair
Answer: Complementary, Adjacent
Step-by-step explanation:
Complementary angles can either of two angles whose sum is 90°.
Adjacent angles when they have a common side and a common vertex (corner point) and don't overlap.
~Hope I helped!~
Answer: complementary, adjacent
pls help it due in 5 minutes
solve by any method
x+4y=-8 and 4y=x
Answer:
x + 4y = -8
(4y) + 4y = -8
8y=-8
y=-1
Answer:
in point form, (4,1)
in equation form, x=4 y=1
Step-by-step explanation:
x+4y=8,4y=x solved by substitution
determine whether the geometric series is convergent or divergent. (4 − 7 49 4 − 343 16 )
The common ratio 'r' is not constant, meaning that the series is not geometric.
Define the term geometric series?Each term in a geometric series is created by multiplying the previous term by a fixed constant known as the common ratio.
To determine if the geometric series (4, -7, 49, -343, 16) is convergent or divergent, we need to find the common ratio 'r' of the series.
r = (next term) / (current term)
r = (-7) / 4 = -1.75
r = 49 / (-7) = -7
r = (-343) / 49 = -7
r = 16 / (-343) = -0.0466...
We can see that the common ratio 'r' is not constant, meaning that the series is not geometric, and therefore we cannot determine if it is convergent or divergent.
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a food inspector examined 16 jars of a certain brand of jam to determine the percent of foreign im- purities. the following data were recorded: 2.4 2.3 3.1 2.2 2.3 1.2 1.0 2.4 1.7 1.1 4.2 1.9 1.7 3.6 1.6 2.3 using the normal approximation to the binomial dis- tribution, perform a sign test at the 0.05 level of signif- icance to test the null hypothesis that the median per- cent of impurities in this brand of jam is 2.5% against the alternative that the median percent of impurities is not 2.5%.
Since the p-value (0.034) is less than the significance level of 0.05, we reject the null hypothesis. This suggests evidence against the claim that the median percent of impurities in the brand of jam is 2.5%.
To perform the sign test, we compare the observed values to the hypothesized median value and count the number of times the observed values are greater or less than the hypothesized median. Here's how we can proceed:
State the null and alternative hypotheses:
Null hypothesis (H0): The median percent of impurities in the brand of jam is 2.5%.
Alternative hypothesis (Ha): The median percent of impurities in the brand of jam is not 2.5%.
Determine the number of observations that are greater or less than the hypothesized median:
From the given data, we can observe that 5 jars have impurity percentages less than 2.5% and 11 jars have impurity percentages greater than 2.5%.
Calculate the p-value:
Since we are performing a two-tailed test, we need to consider both the number of observations greater and less than the hypothesized median. We use the binomial distribution to calculate the probability of observing the given number of successes (jars with impurity percentages greater or less than 2.5%) under the null hypothesis.
Using the binomial distribution with n = 16 and p = 0.5 (under the null hypothesis), we can calculate the probability of observing 11 or more successes (jars with impurity percentages greater than 2.5%) as well as 5 or fewer successes (jars with impurity percentages less than 2.5%). Summing up these probabilities will give us the p-value.
Compare the p-value to the significance level:
Since the significance level is 0.05, if the p-value is less than 0.05, we reject the null hypothesis. Otherwise, we fail to reject the null hypothesis.
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Can someone please help me factor these polynomials?
1. 3 (2x + 1)
2. 4x (x + 2)
3. (x + 4) (x + 6)
4.
Since I dint show the method to get the ans for the above 3 I'll show it out for this one :)
x² – 15x + 56
x² –7x –8x + 56
x (x –7) –8(x–7)
( x–8) (x– 7)
5. (x –6) (x+2)
Find the image of D under the translation described by the translation rule T<-11, 8>
- E
- C
- A
- B
Answer:
B
Step-by-step explanation:
(x +(-11)) means that you move point D to the left by 11.
(y + 8) means that you move the point D up by 8
this will give you a point B
pls help i’ll give brainliest
Answer:
The answer is 56.33 in decimal form but in fraction form the answer is 5633/
100
Step-by-step explanation:
6.55 x 8.6
Question 8 (3 points)
Find the missing angle.
degrees
(Fill in the blank) PLEASE HURRY ILL GIVE BRAINLIEST
\(360 - 140 - 62 - 85\)
\( = 73 \: degrees\)
the sum of the angles in a quadrilateral is 360° so just subtract the angles you have with the total to find the missing angle.
Answer:
73°
Step-by-step explanation:
The angles add to 360 hope this helps
In a class of students, the following data table summarizes how many students play
an instrument or a sport. What is the probability that a student chosen randomly
from the class plays a sport?
Plays a sport
Does not play a sport
Plays an instrument Does not play an instrument
3
8
10
9
Answer:
3 OR 8 hope this helps!
Step-by-step explanation:
Five times a number is less than 6 more than four times the number.
translate into math
list the clusters, gaps, outliers, and shape of this dot plot please!
Answer:
Cluster : 60,61,62,63
Gaps: 64,65 , 69,70
Outlier: 71
This is what I learned so don't blame me please!
Step-by-step explanation:
Cluster is numbers all on one side. Outlier can be the largest number or lowest. Normally the alone one.
Nancy made 20 ounces of a snack mix that was 1/5 peanuts, 30% raisins, and 5 ounces of chocolate chips. the rest was granola how many ounces of granola were in Nancy's snack mix?
Answer:
5
Step-by-step explanation:
First of all, we have a lot of different forms of part/whole's. We have a fraction, a percentage, and a number. How do we make this work???
Let's convert our percent and fraction to ounces, because that is what the question is talking about.
1/5 of 20
1/5=x/20
20=5x
/5 /5
4=x
Now lets convert our percent into ounces.
30% of 20
30/100=x/20
30(20)=100x
600=100x
/100 /100
6=x
Now we have our ounces, we now need to find what is the granola. To do that, we need to add the number of everything else, and then subtract that by the total ounces.
4+6+5=15
20-15=5
The answer would be 5 ounces of granola!
4 * 4 * 4 * 5 * 5
help please
Answer:
=1600
Step-by-step explanation:
=4*4*4*5*5
=16*4*25
=64*25
=1600
Hope this helps, have a nice day/night! :D