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3 years ago

an elevator travels 310 feet in 10 seconds .at that speed how far can this elevator travel In 12 seconds_ Explain your reason i

Mathematics

1 answer:

antoniya [11.8K]3 years ago

7 0

Answer:

372 feet per second

Step-by-step explanation:

310 / 10 = 31 feet per second. 12 seconds * 31 feet per second = 372 feet per second

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Solve each inequality of -4x -2<8

FromTheMoon [43]

<span>-4x -2<8
Add 2 to both sides
-4x<10
Divide -4 on both sides
Final Answer: x > -10/4 or -2 1/2 *Both answers are equivalent to each other.
</span>

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3 years ago

A lamp post with a height of 12 ft casts a shadow of 6 ft. A fire hydrant near it casts a shadow that is 1.5 ft long. How tall i

alex41 [277]

Answer:

3ft

Step-by-step explanation:

We are given that

Height of lamp, h=12ft

Height of shadow, l=6ft

Height of shadow of hydrant, l'=1.5ft

Let height of hydrant=h'

We have to find the height of fire hydrant.

All right triangles are similar

When two triangles are similar then, the ratio of their corresponding sides are equal.

Using the property

$\frac{h}{h'}=\frac{l}{l'}$

$\frac{12}{h'}=\frac{6}{1.5}$

$h'=\frac{12\times 1.5}{6}$

$h'=3$ ft

Hence, the height of fire hydrant=3 ft

3 0

3 years ago

A store is selling 5 cans of tomato sauce for 4.50 what is the unit price

andrew-mc [135]

The unit price is 90 cents per can of tomato sauce.

6 0

2 years ago

Read 2 more answers

Estimate [5 7/8 - 2 3/20] + 1 4/7

riadik2000 [5.3K]

change into improper fraction then do the problem then turn back into mixed number

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3 years ago

Eric bought apples and oranges for $7.75. He paid $2.35 for all the apples

Kruka [31]

Answer:

He bought 12 oranges.

Step-by-step explanation:

Key words: "ALL the apples" "EACH orange."

7.75-2.35= 5.4

5.4/0.45= 12

8 0

3 years ago