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2 years ago

8

Three friends pay $4 per hour to rent a paddleboat plus $5 for snacks. Write an expression for the total cost of rental and snac

ks. Then evaluate the expression for 2 hours.

1 answer:

storchak [24]2 years ago

5 0

Answer:13

Step-by-step explanation:(4x2)+5

/ I

$per hour Hours

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alina1380 [7]

Answer:

36 years

Step-by-step explanation:

Let

x = Elga's age

Alvin's age = x + 7

Sum of their ages = 79

Sum of their ages = Alvin's age + Elga's age

79 = (x + 7) + x

79 = x + 7 + x

79 = 2x + 7

79 - 7 = 2x

72 = 2x

x = 72/2

x = 36

Elga's age = x = 36 years

Alvin's age = x + 7

= 36 + 7

= 43 years

7 0

2 years ago

Use inverse operation to solve the equation t - 13 = -29

Nata [24]

Answer:

-16

Step-by-step explanation:

-29+13 is -16

and -16-13 is -29.

5 0

3 years ago

Are these two claims equivalent, in conflict, or not comparable because they're talking about different things?9 a. "75 percent

blsea [12.9K]

Step-by-step explanation:

dnxjdjedjxkdkdkxkxmxmdmxmcmcmxmxm cxvfbfb cfbfbfbfbt xswzxvt

8 0

2 years ago

A rectangular floor is 6 yards long and 4 yards wide. What is the area of the floor in square feet? Please help!

lys-0071 [83]

Area = length x width

A = L•W

There are 3 feet in one yard.

6 yards = 18 feet

4 yards = 12 feet

A = (18)(12)

A = 216 square feet

8 0

3 years ago

A pharmaticeutical company is making a new medicine capsule shaped like a cylinder with a half sphere at each end. The

DerKrebs [107]

Answer:

339.12 cubic millimeters

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The volume of the figure is equal to the volume of the two hemispheres (one sphere) plus the volume of the cylinder

so

step 1

Find the volume of the cylinder

The volume is given by

$V=Bh$

where

B is the area of the base of cylinder

h is the height of cylinder

we have

$B=\pi r^{2}$

we have

$h=8\ mm$

$r=6/2=3\ mm$ ----> the radius is half the diameter

$B=(3.14)(3)^{2}$

$B=28.26\ mm^2$

substitute

$V=(28.26)(8)=226.08\ mm^3$

step 2

Find the volume of the sphere

The volume is given by

$V=\frac{4}{3}\pi r^{3}$

we have

$r=6/2=3\ mm$ ----> the radius is half the diameter

substitute

$V=\frac{4}{3}(3.14)(3)^{3}=113.04\ mm^3$

step 3

Adds the volumes

$226.08+113.04=339.12\ mm^3$

6 0

2 years ago