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Natasha_Volkova [10]

2 years ago

5

A pyramid with a rectangular base has a volume of 105 cubic centimeters and a height of 15 centimeters. The length of the rectan

gular base is 7 centimeters. Find the width of the rectangular base.

1 answer:

Goryan [66]2 years ago

3 0

Answer:

Hey there!

V=lwh/3

315=lwh

315=15(7)w

315=105w

width=3

Hope this helps :)

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Sung loo worked 54 hours during a special sale at the store. 10 hours was time and a half, and 4 hours were at double time. Her

DanielleElmas [232]

Answer:

$432.18

Step-by-step explanation:

Time and a half = 50% more pay rate / 1.5*6.86 = $10.29 per hour

Double time = 2*6.86 = $13.72 per hour

Rest of the time => At regular rate

Total Amount = 10(10.29) + 4(13.72) + (54 - 10 - 4)(6.86)

= 10(10.29) + 4(13.72) + (40)(6.86)

= $ 432.18

6 0

2 years ago

Read 2 more answers

charle [14.2K]

1. $2\cdot(8-3)-6=2\cdot5-6=4$

2. $14c-6=22\implies14c=28\implies c=2$

3. $2x+18=5x\implies 3x=18\implies x=6$

4. $18-c+9c+6=24+8c$

5. $8x=-56\implies x=-7$

Hope this helps :)

3 0

2 years ago

A food pantry is making packages. Each package weighs 64 pounds. Each of their packages contains 4 identical bags of rice and a

Vinil7 [7]

Answer:

64 = 4x + 7 Each bag of rice weighs 14.25 pounds.

Step-by-step explanation:

Each package is 64 pounds, which give us one side of the equal sign. The other side is ehre we make the 64 pounds. There is one 7 pound bag of beans, and four equal bags of rice. To find the pounds per bag of rice, we do 64-7 to get 57, then 57/4 to get 14.25

7 0

2 years ago

Identify the common difference or common ratio in the sequence below. 37 , 40 , 43 , 46 , 49 , ...

telo118 [61]

It is 3...
it increases by 3 for example:
37-40 all you gotta do is add 3 to 37 and you get 40!
40-43 add 3 to 40!
43-46 add 3 to 43!
& 46-49 add 3 to 46!

Hope I helped!

4 0

2 years ago

Gabriella drives her car 320 miles and averages a certain speed. If the average speed has been 6 miles less she could have trave

arsen [322]

Answer:

Her average speed is 48 miles per hour.

Step-by-step explanation:

We solve this question using a system of equations.

The speed equation is:

$s = \frac{d}{t}$

In which s is the speed, d is the distance, and t is the time.

Gabriella drives her car 320 miles and averages a certain speed.

So $d = 320$

Then

$s = \frac{320}{t}$

If the average speed has been 6 miles less she could have traveled only 280 miles in the same length of time.

So, which s - 6, d = 280.

$s - 6 = \frac{280}{t}$

From the first equation:

$s = \frac{320}{t}$

$st = 320$

$t = \frac{320}{s}$

Replacing:

$s - 6 = \frac{280}{t}$

$s - 6 = \frac{280}{\frac{320}{s}}$

$320(s - 6) = 280s$

$320s - 1920 = 280s$

$40s = 1920$

$s = \frac{1920}{40}$

$s = 48$

Her average speed is 48 miles per hour.

6 0

3 years ago