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navik [9.2K]
3 years ago
8

Write an equation to represent how the diameter and radius are related.​

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0

Answer:

d/2=r

Step-by-step explanation:

radius is half the diameter

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two hundred tickets for the school play were sold. tickets cost $2 for students and $3 for adults. the total amount collected wa
Gre4nikov [31]
A system of equations is good for a problem like this.
Let x be the number of student tickets sold
Let y be the number of adult tickets sold
x + y = 200
2x + 3y = 490
x = 200 - y
2(200 - y) + 3y = 490
400 - 2y + 3y = 490
400 + y = 490
y = 90
The number of adult tickets sold was 90.
x + 90 = 200 --> x = 110
2x + 3(90) = 490 --> 2x + 270 = 490 --> 2x = 220 --> x = 110
The number student tickets sold was 110.
4 0
3 years ago
A carpenter designs an A-frame chalkboard. Its support bars form the legs of an isosceles triangle.
ahrayia [7]

angle for triangle is 180°

angle ACB is 75° because it has mention that is an isosceles triangle

So that angle of BAC is 180°-75°-75°=30°

6 0
3 years ago
Every hour of driving uses
xenn [34]

Answer:

45 gallons

Step-by-step explanation:

1 hour = 3 gallons

2 hours = 6 gallons

3 hours = 9 gallons

4 hours = 12 gallons

5 hours = 15 gallons

10 hours = 30 gallons

15 hours = 45 gallons

4 0
3 years ago
What is the slope of the line that passes through the points (3,1) and (-2,5)?
meriva
Slope=(y1-y2)/(x1-x2)
(1 - 5)/(3 - -2)=(1 - 5)/(3 + 2)
-4/5
A is the answer
7 0
3 years ago
Read 2 more answers
Find the surface area of the prism. Write your answer as a fraction or mixed number. PLZ HELP
Flura [38]

Find the area of one side, which is length x width:

2/3 x 2/3 = 4/9 square ft.

There are 6 sides to the prism, so multiply the area of one side by 6:

4/9 x 6 = 24/9 = 2 6/9 = 2 2/3 square ft.

3 0
3 years ago
Read 2 more answers
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