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3 years ago

11

A community service group organizes a car wash that raises 7c - 18 dollars and a spaghetti dinner that raises 6s - 45 dollars. W

hich equation below represents the total amount of money raised

1 answer:

love history [14]3 years ago

3 0

Answer:

7c + 6s - 63

Step-by-step explanation:

7c - 18 + 6s - 45

Combine like terms

7c + 6s - 63

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What is the volume of a sphere with a diameter of 3.2 m, rounded to the nearest tenth

frez [133]

Answer:

Volume of a sphere = 17.164 m³ (Approx)

Step-by-step explanation:

Given:

Diameter of a sphere = 3.2 m

Radius of a sphere = Diameter / 2 = 3.2 / 2 = 1.6 m

Find:

Volume of a sphere = ?

Computation:

$Volume\ of\ a\ sphere =\frac{4}{3}\pi \times r^3 \\\\Volume\ of\ a\ sphere =\frac{4}{3}\times \frac{22}{7} \times (1.6)^3 \\\\Volume\ of\ a\ sphere =\frac{4}{3}\times \frac{22}{7} \times 4.096\\\\Volume\ of\ a\ sphere =17.164$

Volume of a sphere = 17.164 m³ (Approx)

4 0

3 years ago

denpristay [2]

Answer:

x = 10, y = 0

Step-by-step explanation:

x + y = 10 ---> x = 10 - y

3x + 2y = 30

3 (10 - y) + 2y = 30

30 - 3y + 2y = 30

y = 0

x + 0 = 10

x = 10

3 0

3 years ago

What would be the most logical first step for solving this quadratic equation?

PolarNik [594]

Answer:

D

Step-by-step explanation:

So that you can have an equation equal to zero to solve for x

4 0

3 years ago

What is 47/50 as a percentage?

JulsSmile [24]

The answer to 47/40 as a percentage is 94%

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3 years ago

Use the formula d =rt to find the distance d a long distance runner can run at a rate r of 9 1/2 miles per hour for time t of 1

shtirl [24]

D=rt
So you're going to plug in the values listed: r= 9 1/2 and t=1 3/4

This will give you:
d=(9.5)(1.75)

Then you solve:
d=16.625

You should probably convert that decimal answer into a fraction since you're question gave it to you as a fraction.

3 0

3 years ago