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4 years ago

13

The formula d = rt gives the distance traveled in time t at rate r. A truck rides for 1.5 hours and travels 76 miles. what was t

he average speed

1 answer:

Romashka [77]4 years ago

3 0

Its 50.66666666666666... but you could round it up to 51, that is the answer because its distance divided by time, so 76 divided by 1.5

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The ice skating rink rents 25 pairs of skates each hour. Write an expression that represents the pairs of skates rented in h hou

Nookie1986 [14]

175 pairs of skates are rented for 7 hours.

Step-by-step explanation:

Given,

Pairs of skated rented each hour = 25

Let,

Number of hours = h

Total pairs rented = T

T = Pairs rented each hour * number of hours

T = 25h

Evaluate the expression for 7 hours.

h = 7

$T=25(7)\\T=175$

175 pairs of skates are rented for 7 hours.

Keywords: multiplication, linear expression

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3 years ago

Let f(x)=8x+8 find and simply f(x+1)

shusha [124]

Answer:

Step-by-step explanation:

f(x) = 8x + 8

f(x+1) = 8(x+1) + 8

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3 years ago

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1. Evaluate x2 + 10 if we let x= 3

snow_tiger [21]

Answer:

16

Step-by-step explanation:

$x2 + 10 \\ = 3 \times 2 + 10 \\ = 6 + 10 \\ = 16$

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3 years ago

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The cost of 9 scares is $78.75 what is the unit price ?

Vlad [161]

Answer:

$8.75

Step-by-step explanation:

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3 years ago

The circumference of a circle is 12.56 cm. What is the area? Use 3.14 for PI

tankabanditka [31]

Hola!

Circumference of circle is 12.56 cm
Means,

2 × π × r = 12.56

r = 12.56 × 3.14 × 2

r = 1.999 cm

According to Question,

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π × r²

3.14 × 1.99 × 1.99

12.547 cm² = 12.56 cm² (approximately.)

Hence,
Area of Circle is 12.56 cm²

hope it helps!

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3 years ago

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