Answer:
D, 2/3
Step-by-step explanation:
Using the Slope formula \(m=\frac{y_2-y_1}{x_2-x_1}\) we can find the slope of the line.
Input values:
\(m=\frac{6-4}{5-2}=\frac{2}{3}\)
\(m=\frac{2}{3}\)
The equation, y = -3/2x + 15 represents the relationship between the amount of water left in the tub (in liters) y, and how much time has passed (in minutes) x. since Khloe starting draining the bath tub. What is the meaning of the value of 15 in this equation?
Answer:
is b or c I hope this help
Find area of trapezium with height 8cm and the sum of its parallel sides as 15cm
Answer:
The Area of the trapezium is \(60cm^2\)
Step-by-step explanation:
Given,
Height (h)= 8cm
Sum of the parallel sides (a+b)= 15cm
Area of trapezium = \(1/2*h*(a+b)\)
=\(1/2*8*15\)
=\(4*15\)
Area of trapezium=60cm^2
Answer: Area = 60 cm²
Step-by-step explanation:
To find the area of a trapezium we use the formula
Area of trapezium = 1/2 (sum of parallel sides) × height
∴ Area = 1/2 ×15 cm × 8 cm
= 60 cm²
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You go down 9 floors in an elevator. How would you write the integer?
Answer:
-9
Step-by-step explanation:
Going down= negative
Answer:
u write negative 9
Step-by-step explanation:
HELP ME PLEASE HERE IS THE IMAGE I NEED THE HELP PLEASE
Answer:
6
Step-by-step explanation:
when the imposter is sus
Answer:
The answer is 6
Step-by-step explanation:
You have to add all of them together and then divide the number you get with how many number there are.
Best Buy has laptops and headphones on sale for 14% off. Malik bought 2 headphones that originally cost $130 and one laptop that originally cost $850. What was Malik's total bill before taxes were added?
Answer:
980
i hope this helps.
Fill in the blank using the scaling factor that makes the number sentence true. 5.3 × > 5.3 0.886 or 1.00 or 1.003
The given options, the only value greater than 1 is 1.003. Therefore 0.886, which is less than 1 and makes the inequality true.
The given number sentence is 5.3 × > 5.3, where we need to find the scaling factor that makes the inequality true. To do this, we can divide both sides of the inequality by 5.3. This gives us:
5.3 × x > 5.3 ÷ 5.3 × k
We need to find the value of k that makes the inequality true. Simplifying the right-hand side of the equation, we get:
5.3 ÷ 5.3 × k = k × 1 = k
Substituting this into our equation, we get:
5.3 × x > k
We know that 5.3 × 1 = 5.3, which means that k must be greater than 1 to satisfy the inequality. Among the given options, the only value greater than 1 is 1.003. However, this value would make the inequality too large, so it is not the correct answer.
The correct answer is therefore 0.886, which is less than 1 and makes the inequality true.
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blank subtract 3/8 equals to 3/4
Answer:
x-3/8=3/4, (do inverse operation)x-3/8=6/8, x= 9/8
Step-by-step explanation:
12.6 bottle of shampoo fir 4.99 or a 10.2 bottle if shampoo for 3.49 find the unit rate round it to the nearest cent or hundreth
To find the unit rate of each shampoo, divide the price by the Oz
Pantene: 4.99 / 12.6 = $0.40 per Oz
Clairol = 3.49 / 10.2 = $0.34 per Oz
if you had 341 milliliters of milk, how many liters is this equal to?
A sector has an area of 50 ft sq, and a central angle of 45 degrees. Find the radius.
Answer:
Step-by-step explanation:
45° is 1/8 of a circle, so the area of the sector is 1/8 the area of the circle.
Area of circle = 8*50 = 400 sq ft
πr² = 400
r = √(400/π) = 20/√π ≈ 11.3 ft
ill give 40 points if someone answers this quickly and correctly.
4 Which graph represents the system of linear inequalities given below?
y ≤ x-3
y > -x + 2
Answer: on the line y = x-3 and above the line y = -x + 2.
Step-by-step explanation:
The first inequality, y ≤ x-3, represents a shaded region below or on the line y = x-3. This line has a slope of 1 and y-intercept of -3. It is a straight line that slants upward from left to right.
The second inequality, y > -x + 2, represents a shaded region above the line y = -x + 2. This line has a slope of -1 and y-intercept of 2. It is a straight line that slants downward from left to right.
To determine which graph represents the system of linear inequalities, we need to look for a graph that shows the shaded region below or on the line y = x-3 and above the line y = -x + 2.
I need help with this please
Below is the graph of the system of linear inequalities (without the shading)
y> 3x-1
x+y≤-2
Which area should be shaded?
Answer:
y > 3x - 1
set y = 0
0 > 3x - 1
x > 1/3
points are [ 1/3,0]
set x = 0
y > 3(0) - 1
y > - 1
points are [0,-1]
second question
x + y ≤ - 2
set x = 0
y ≤ - 2
points are [0,-2]
set y = 0
x ≤ - 2
points are [-2,0]
So therefore A should be shaded.
find the line of best fit for the set of data
The line of best fit for the set of data in this problem is given as follows:
y = 0.613x + 4.142.
How to find the equation of linear regression?To find the regression equation, which is also called called line of best fit or least squares regression equation, we need to insert the points (x,y) of the data-set in the calculator.
The points for this problem are given as follows:
(-2, 2.9), (-3.5, 2), (1.4, 4.8), (-4.2, 1.5), (0,4), (2.8, 6), (-1.5, 3.5).
Inserting these points into a calculator, the line of best fit is given as follows:
y = 0.613x + 4.142.
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One number is 6 more than another. Their product is -9. Need help fast
Answer: the numbers are 3 and -3
Step-by-step explanation:
let the unknown number be x
The first UNKNOWN NUMBER = X
The second unknown number is = 6 + x
Their product = -9
(X)(6 + X) = -9
6x +\(x^{2}\)=-9
\(x^{2}\) +6x +9=0
we multiply the coefficient of x which is 1 with 9
now, we look for two numbers that when multiplied will give us 9 and when added will give 6 and that is 3 and 3
\(x^{2}\) +3x+3x +9 = 0
x(x+3) +3(x+3) = 0
(x +3 ) = 0
or (x +3)=0
x +3 =0
x=0 -3
x =-3
x +3=0
x =0-3
x =-3
since the numbers are the same ,we pick one
therefore,the first number =x =-3
the second number is 6 + x=6 + (-3)
6-3=3
graph the equation:
y=-6x+12
16 Extend Your Thinking Suppose you cut a square shape
in half, as shown. How can you find the area of one part
of the figure?
52 yd
PLEASE HELP!!!!!!!!!!!!!
A loan is being paid off by payments of 1,000, 2,000, ..., 10,000 at the end of years 1, 2, ..., 10.
The effective annual interest rate is 18%.
Determine the amount of interest in the 7th payment.
Therefore, the interest portion of the seventh payment is:7,000 x (1 + r + r2 + r3 + r4 + r5 + r6) / r7 - 7,000.
We have the following payments and their corresponding times of payment:At the end of year 1: $1,000At the end of year 2: $2,000At the end of year 3: $3,000At the end of year 4: $4,000At the end of year 5: $5,000At the end of year 6: $6,000At the end of year 7: $7,000
At the end of year 8: $8,000At the end of year 9: $9,000At the end of year 10: $10,000The present value of these payments is:PMT x [(1 - (1 + r)-n) / r]where PMT is the payment, r is the interest rate per year, and n is the number of years till payment.
For the first payment (end of year 1), the present value is:1,000 x [(1 - (1 + r)-1) / r]which equals
1,000 x (1 - 1 / (1 + r)) / r = 1,000 x ((1 + r - 1) / r) = 1,000
For the second payment (end of year 2), the present value is:2,000 x [(1 - (1 + r)-2) / r]which equals 2,000 x (1 - 1 / (1 + r)2) / r = 2,000 x ((1 + r - 1 / (1 + r)2) / r) = 2,000 x (1 + r) / r2
For the seventh payment (end of year 7), the present value is:
7,000 x [(1 - (1 + r)-7) / r]
which equals
7,000 x (1 - 1 / (1 + r)7) / r = 7,000 x ((1 + r - 1 / (1 + r)7) / r) = 7,000 x (1 + r + r2 + r3 + r4 + r5 + r6) / r7
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An organism of a certain type can grow from 30 to 195 in 5 hours. What is the rate of growth?
Answer:
45.5% rate of growth
Step-by-step explanation:
1 poll
4-Jeremy drove 150 miles in three hours. At that rate, how far would he
drive in eight hours? *
Answer:
400 miles
Step-by-step explanation:
150 miles/3 hours=50 miles per hour
50 miles per hour x 8 hours=400 miles
15) Which coordinate pair identifies a point in Quadrant III of the coordinate plane?
A) (2,3)
B) (-2,3)
C (2, 3)
D (-2, -3)
What is the gradient of the graph shown? Give your answer in simplest form
Answer:
gradient = 2
line: y = 2x - 4
Step-by-step explanation:
Find the slope from the slope intercept formula
y = mx + b
b is the y intercept
b = -4 and the point is (0,-4)
So far the equation looks like this.
y = mx - 4
Use the other intercept (x intercept) to find m
x = 2
y = 0
0 = m*2 - 4 Add 4 to both sides
4 = 2m Divide by 2
4/2 = m
m = 2
So the gradient or slope is 2
evaluate the question?
Please no one is helping me I truly need help pls
Answer:
104 cm^3
Step-by-step explanation:
2(1/2(6*4))+2(1/2(4*10)+(4*10)
2(1/2(24)+(2(1/2(40)+(40)
2(12)+2(20)+40
24+40+40
104 CM^3
HELP PLEASE!
A rectangular picture is twice as long as it is wide. If the
area of the picture is 288 in^2, what are its dimensions?
The dimensions of the picture are_____ in long by_____ in wide.
Answer:
24 in long by 12 in wide.
Step-by-step explanation:
l=2w
288=(2w)×w
288=2w^2
144=w^2
12=w
use w=12 to solve for l
l=2(12)
l=24
Solve, using the substitution method
j+k=3
j-k=7
Answer:
k = -2
j = 5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Terms/CoefficientsSolving systems of equations using substitution/eliminationStep-by-step explanation:
Step 1: Define Systems
j + k = 3
j - k = 7
Step 2: Rewrite Systems
j - k = 7
[Addition Property of Equality] Add k on both sides: j = 7 + kStep 3: Redefine Systems
j + k = 3
j = 7 + k
Step 4: Solve for k
Substitution
Substitute in j [1st Equation]: 7 + k + k = 3[Addition] Combine like terms: 7 + 2k = 3[Subtraction Property of Equality] Subtract 7 on both sides: 2k = -4[Division Property of Equality] Divide 2 on both sides: k = -2Step 5: Solve for k
Substitute in k [1st Equation]: j - 2 = 3[Addition Property of Equality] Add 2 on both sides: j = 52. What type of sequence is this?
4,0-4,-8, -12,...
Arthimetic
Geometric
Neither
Answer:
Arithmetic
Step-by-step explanation:
Arithmetic is additive and geometric is multiplicative, and the numbers aren''t multiplying, they're adding.
-8/9 + (-2)/57
find the absolute value of the following rational number
The absolute value of the Rational number -474/513 is 474/513.
To find the sum of the rational numbers -8/9 and -2/57, you need to have a common denominator. The least common multiple (LCM) of 9 and 57 is 513. So, you can rewrite the fractions with a common denominator:
-8/9 = (-8/9) * (57/57) = -456/513
-2/57 = (-2/57) * (9/9) = -18/513
Now, you can add the fractions:
-456/513 + (-18/513) = (-456 - 18)/513 = -474/513
To find the absolute value of the rational number -474/513, you simply ignore the negative sign and take the value as positive:
| -474/513 | = 474/513
Therefore, the absolute value of the rational number -474/513 is 474/513.
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Directions: Find the slope of the lines graphed below.
1.
2.
we know,
slope = y_2 - y_1/x_2 - x_1
1.
according to the graph given points are,
(2,1) and (0,3)
now,
→ 3 - 1/0 - 2
→ 2/-2
→ -1
therefore, slope of the given graph is -1.
2.
according to the graph given points are,
(-6,2) and (0,1)
now,
→ 1 - (-6)/0-2
→ 7/-2
→ -3.5
therefore, slope of the given graph is -3.5 OR in fraction form it is 7/-2.
3.
according to the graph given points are,
(2,2) and (0,4)
now,
→ 4 - 2/0-2
→ 2/-2
→ -1
therefore, slope of the given graph is -1.
hope this answer helps you dear...take care and may u have a great day ahead!