the ratio of red and green marbles in a box are 3;7 how many marbles are in the box if there are 20 fewer red marbles than blue?
Answers
50 marbles
Step-by-step explanation:
The difference between the ratio of the red and green marbles is 4 units and the number value is 20 so its safe to say that 4 units is equal to 20 and thus one unit is 5 and because of the fact that there is a total of 10 units of marbles in the box according to the ratio, just multiply 5 and 10 which you get 50.
4 units = 20
1 unit = 20÷4 = 5
Total = 10 units
10 unit = 5 ×10 = 50
Ans : 50 marbles
Related Questions
There are 2 red, 5 green, 3 blue, and 4 white points on a circle. Find the number of line segments which have vertices of different colors at the given points.
Answers
Answer:
Step-by-step explanation:
The number of those line segments which have endpoints of different colors is 47.
What is permutation and combination?
A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.
We have:
There are 5 red, 4 green, and 3 blue points on a circle.
There are different colored endpoints on each line segment that starts at a red point and travels to either a green point or a blue point.
There are 5 red points and 7 segments from each of them, making a total of 35 segments.
There are different colored endpoints on each line segment that leaves at a green point and travels to either a red or blue point.
There are 4 green points and 8 segments from each, for a total of 32 segments.
There are different colored endpoints on each line segment that leaves at a blue point and travels to either a green point or a red point.
Each blue point has 9 segments, and there are a total of 5 blue points.
Add all the ways = 35 + 32+ 27
= 94 segments.
Number of segment = 94/2 = 47
Thus, the number of those line segments which have endpoints of different colors is 47.
There are 7 segments from each red point and there are 5 red points, for a total of 35 segments.
Each line segment from a green point that goes to either a red point or a blue point has endpoints of different colors.
There are 8 segments from each green point and there are 4 green points, for a total of 32 segments.
Each line segment from a blue point that goes to either a green point or a red point has endpoints of different colors.
There are 9 segments from each blue point and there are 5 blue points, for a total of 27 segments.
Adding these together, we get 35 + 32+ 27 = 94 segments.
However, we have counted each segment twice, so we need to divide that answer by 2: 47 segments.
WILL GIVE BRAINLIEST
Answers
12 decimeters = dm deka will get brainiest if right
Answers
Answer:
0.12
Step-by-step explanation:
Decimeter is 100 times greater than dekameter
Pls help, 20 points! A number cube is rolled d360 times, and the results are recorded as follows: 96 ones, 31 twos, 49 threes, 76 fours, 45 fives, and 63 sixes. What is the experimental probability of rolling a 2 or a 3?
It would help if you could put the answer in decimal form but you don't have to :D
Answers
Answer:
The experimental probability of rolling a 2 or a 3 is 2/9 or 0.222222 (go as long as you like :D)
Step-by-step explanation:
Total number of times cube roller = T = 360,
we have 96 ones, 31 twos, 49 threes, 76 fours, 45 fives, and 63 sixes
The probability of rolling a 2 is,
since we get 31 twos out of 360 rolls,
P(2) = 31/360
The probability of rolling a 3 is,
since we get 49 threes out of 360 rolls,
P(3) = 49/360
the experimental probability of rolling a 2 or a 3 is the sum of these two,
so,
P(2 or 3) = P(2) + P(3) = 31/360 + 49/360 = 80/360 = 2/9
P(2 or 3) = 2/9
In decimal form, P(2 or 3) = 0.2222222
The experimental probability of rolling a 2 or a 3 is 2/9 or (0.2222) .
The number of times a 2 or a 3 was rolled is the sum of the occurrences of twos and threes,
P(2) = 31
P(3) = 49
P(2) + P(3) = 31 + 49 = 80.
The total number of rolls is given as 360.
Now, calculate the experimental probability:
Experimental probability of rolling a 2 or a 3 = Number of times a 2 or a 3 was rolled / Total number of rolls
P(2 or 3) = 80 / 360
After simplifying the fraction:
Experimental probability of rolling a 2 or a 3 = 2/9
Therefore, the experimental probability of rolling a 2 or a 3 is 2/9.
Learn more about Experimental Probability:
https://brainly.com/question/8652467
An American traveling in Japan wishes to exchange American money for Japanese money. If the exchange rate is $1 = 80 yen, then how many dollars will the traveler need to purchase 10,000yen?
Answers
Answer: $125
Step-by-step explanation:
1/80=x/10,000
10,000/80=125
Hope this helped!
Answer:125 yen
Step-by-step explanation:
Ratio and proportion
Ratio=1:80=x:10,000
x represents dollars which is unknown
1/80=x/10,000
Then you cross multiply
80x=10,000
80x/80=10,000/80
x=125
Therefore,$125 will give you 10,000yen
Plot (4, −1/2) on the coordinate plane.
Answers
Answer:
form the origin (0,0) move 4 units right and half an unit down
Answer:
I have attached the steps and answer
140% of ___ is 56.
*Explain your method.*
Answers
Answer:
78.4
Step-by-step explanation:
1) there is decimal after 140 (140.0)
2) move the decimal two places to the left (1.4)
3) multiply 1.4 and 56
Triangle DEF has the following characteristics: a right angle and two other angles that have measures of 100° and 10°.
How many different triangles can be drawn with these angle measures?
More than 2 triangles are possible.
No triangle is possible.
Exactly 2 triangles are possible.
Exactly 1 triangle is possible.
Answers
No triangle is possible. The sum of the interior angles of a triangle must be 180°. However, the sum of the given angles is 100° + 10° + 90° = 200°, which is greater than 180°. Therefore, no triangle can be drawn with these angle measures.
I'm confused can someone help me!
Attachment
Answers
Absolute Values
1) 2
2) 3
3) 8
4) 10
6) 12
7) 42
8) 23
9) 40
Answer: For example the first one is |-2| is 2.
Step-by-step explanation:
the answer to number 1 is 2 because the absolute value is the same a multiplicative inverse and both means the opposite of a number. So |-5| is still equal to the positive version of the number 5.
Can someone pls help me with this first right answer gets brainlist
Answers
116.
you add the m<1 and the m<3 and make them equal to 180. the value of x can then be substituted into the m<3 making the answer 116.
Kenny purchased the items shown in the table.
Item Cost ($)
circular saw 79.95
screws 12.50
tape measure 16.75
wood glue 5.20
In the city he lives in, the sales tax rate is 6.5%. In another city, the sales tax rate is 5%. How much more is he spending if he purchases the items in the city he lives in? Round to the nearest cent.
Answers
Answer: Kenny will pay an extra $1.68 in the city he lives in.
Step-by-step explanation:
on ixl and these questions keep coming up.
Answers
Answer:
15.9
Step-by-step explanation:
Since the volume of a cube is equal to length*width*height, and we know that in this case length, width, and height are all equal, since it is a cube, all you need to do is create an equation like this:
4019.679 = x^3
x is the side length.
15.9*15.9*15.9, 15.9^3.
Compare the pair of numbers. Use <, =, or >.
33
40
333
4
OOO
3/4
434
A
V 11
33
40
33
40
33
40
Answers
Answer:
3/4 < 33/40
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Hope it helped
Use a number line to order the numbers from least to greatest.
Answers
Assign the numbers to the number line in the following order:
2.15=2.15
220%=2.2
9/4=2.25
*2.15* is easy enough to place as it is already in decimal form. However, the other 2 options need to be converted to decimals in order to be placed. We have the fraction 9/4 and percentage 220%. 9/4 can either be simply divided on a calculator or turned into the mixed fraction 2 and 1/4, which is *2.25*. Finally, we know that converting a decimal to a percentage we multiply the decimal by 100. Therefore, to convert a percentage to a decimal we divide 100 or move the decimal to the left 2 places. With this conversion rule, 220% transforms to *2.2* and we have the third and final number for our number line. Arranging these three numbers from least to greatest:
2.15, 2.2, 2.25
if 4/4 is 1 then 9/4 is 2 whole with 1/4 left
220%=2.2 and 2.15 is still 2.15
what is 3/4 as a decimal
Answers
Answer:
three fourths in the decimal formation is 0.75
Answer:
0.75 i think idrk for sure.
NEED HELP ASAP Match each set of information about a circle with the area of that circle.
Drag and drop the card to match the information.
Answers
Answer:
the first one is A The second on C the third one D and last one B
Step-by-step explanation:
2.C
3.D
4.D
Hope this helps
7th grade math I'll give brainliest
Answers
Answer:
Step-by-step explanation:
Rise over run is the slope, m
m=2/5
a) the slope is 2/5 = .4 which is below the boundary guideline. So no this is not with in carpenter's guidelines
b) the image below show a line with slope 2/5 but with intercept 3
c) the stairs can be draw on the line with rise 2 run 5 from the line. see image
d)equation is in image
2.
a) count the squares
horizontal distance =3
vertical distance =3
b) slope is vertical distance over horizontal distance so m= 3/3 =1
Complete the statement.
If a transversal intersects two parallel lines, then _____ angles are supplementary.
same-side interior
corresponding
acute
alternate interior
Answers
Answer:
Same Side interior
Step-by-step explanation:
Just trust me
Answer:
same-side interior
Step-by-step explanation:
If a transversal intersects two parallel lines, then same-side interior angles are supplementary.
Ms. Emily buys a hat and gloves with a coupon for 30% off her entire purchase. The gloves cost $35$ before the discount. Her bill before tax is $44.80
Write an equation to find the original cost of the hat, x.
i don't need the total i just need the equation and x as the answer
Answers
Answer: x*.3 + 44.80
Step-by-step explanation:
Answer:
$44.80=($35+X)(1-0.3)
show the work
all same paper
Answers
Step-by-step explanation:
for 2 lines to be parallel they must have the same angles with a crossing third line.
and it is a given for 2 crossing lines that the
top right angle = bottom left angle
top left angle = bottom right angle
it is also clear that the sum of all angles around a single point in one side of a line must be 180° (as the line is the diameter of a potential circle with the single point being the center of that circle, and so one side of the line represents a half-circle = 180°).
7.
angle 3 plus angle 8 are together 180°.
66 + 2x + 8 = 180
2x + 8 = 114
2x = 106
x = 53
8.
3x + 48 = 6x
48 = 3x
x = 16
The point (-10, 4) is on the graph of which of these functions?
A. y = -x^2 + 6
B. y = -1/10x - 3
C. y = x^2 + 14
D. y = -1/2x - 1
Answers
Answer:
D
Step-by-step explanation:
Just plug the numbers in so you get
A. 4=106
B. 4= -2
C. 4=114
D. 4=4
D is correct
The sum of the digits of a two-digit number is 5. If nine is subtracted from the number, the digits will be reversed. Find the number.
If the tens digit is x, then the equation is:
The number is:
Answers
Answer: 32
Step-by-step explanation:
The only numbers that can have 2 digits and two of which equal to five can only be:
3+2
2+3
4+1
1+4
So the numbers are: 41,14,23, and 32.
41-9=32
14-9=5
23-9=14
32-9=23
Since the question is asking for the number who’s difference is the reverse of one of the numbers. The only possible answer is 32 because 32-9= 23. (23 is the reverse of 32)
3+2 is equal to 5
32 - 9 is equal to 23 witch is the reverse of 32
Pls help
z = 6 π x y
Answers
Answer:
Impossible to solve
Step-by-step explanation:
We need more informacion
Answer:
x= z/6(pie)y
Step-by-step explanation:
good luck
Which equation below will produce a decay curve?
y = 3^x - 4
y = 2(4)^x
y = 1/2(3)^x
y = 6(1/3)^x
Answers
Answer:
Correct option: fourth one -> y = 6(1/3)^x
Step-by-step explanation:
A decay curve is produced by an exponencial function with a rate lesser than 1 and greater than 0. This way, we have an exponencial function where the values of y decrease when the values of x increase.
The first equation is a linear equation.
The second and third equations are exponencial equations, but with a rate bigger than 1
The fourth equation is an exponencial equation with a rate lesser than 1 and greater than 0, so this equation will produce a decay curve.
Choose the inequality that represents the following graph.
A) x > -9
B) x > -8
C) x > -7
D) x < -7
Choose more than one.
Answers
Answer:
D), A)
Step-by-step explanation:
Find the volume of a prism. Show your work.
Answers
Answer:
Step-by-step explanation:
11 times 22
the area of its cross-section multiplied by the length
answer: 242cm squared
PLEASE HELPPPPP MEEEEE
Answers
ALLAH IS ALL KNOWING AND ALL HEARING
Step-by-step explanation:
"There is no God but Allah, and Muhammad is his messenger." This is the basic statement of the Islamic faith: anyone who cannot recite this wholeheartedly is not a Muslim. When a Muslim recites this they proclaim: That Allah is the only God, and that Muhammad is his prophet
How many degrees is angle 7?
Answers
Answer:
42°
Step-by-step explanation:
This is defined as a transversal in geometry, where one line intersects two straight lines.
It is given that one of the angles is 42°. Let the angle that measure 42° be denoted as ∠42.
∠4 ≅ ∠42 based on the alternate interior angles theorem.
∠4 ≅ ∠7 based on the vertical angles theorem.
Therefore, ∠42 ≅ ∠7 based on CPCTC.
Therefore,
m∠7 = 42°.
~
Learn more about proofs, here:
https://brainly.com/question/28866195
Which equation represents the graphed function?
0 -3x + 2 = y
0 -2/3x+2=y
O 3/2x-3=y
O 2x - 3 = y
Answers
Answer:
3/2x-3 =y
Step-by-step explanation:
when x = 0 the equation should equal -3 because the y intercept is (0,-3) which narrows down to the last two.
The x-intercept is (2,0) input these values into the equation and the third option gives these values.
\(\frac{3}{2}\)(2) -3 = y ,
3-3=y
y=0 Therefore the third option is the answer
hey uh please explain / answer these for me <3 i know some of them but I'm just lazy-minded if u know what I mean
Answers
Answer:
First Picture: 2032*93 = 188976, 425/25 = 17
Second Picture: the machine is dividing the number by 6
Third picture: 85
Step-by-step explanation:
Second Picture: 36/6 = 6 and 54/9 = 6 therefore the machine is dividing by six
Third Picture: a multiple of 7 is 84 (7*12 = 84). 85 is one more than a multiple of 7. Therefore 85 is the answer. A formula can be 7x + 1 = (then try out different numbers in the grid)
7x+1 = 85
7x = 84
x = 84/7
x = 12
Therefore 85 is one more than a multiple of 7.
Answer:
1, 2,032 x 93
2, 425 divided by 25
Step-by-step explanation:
188,97617