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3 years ago

7

after 1 second the rock is 129 feet in the air; after 2 seconds, it is 236 feet in the air. find the height, in feet of the rock

after 5 seconds in the air.

1 answer:

harina [27]3 years ago

3 0

Answer:

557 feet

Step-by-step explanation:

1s --> 129

2s --> 236

1 to 2 is 107 feet

107*4=428

129 --> 1

129+107*4

129+428

557

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elena-s [515]

Answer:

2 Miles

Step-by-step explanation:

1 2/3 x 6 = 10

( She needs to walk 2 more miles )

Tomorrow Anna should run 2 miles to reach her goal.

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3 years ago

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astra-53 [7]

Answer:

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3 years ago

Which is one way to check 102÷6=17 A.105÷10=10.5 B.17÷6=102 C.100÷5=20 D.100×5=500

Andru [333]

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3 years ago

In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random a

Masteriza [31]

The solution to the answer is as follows:

<span>0votes</span><span>answered <span>Aug 8, 2015 </span><span><span>by </span>Shashi Kumar Evangelist <span>(3,082<span> points)</span></span></span></span><span>total coins 30
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4 years ago

A recipe for sparkling grape juice calls for 1.5 quarts of sparkling water and .75 quart of grape juice. A. How much sparkling w

cluponka [151]

Answer: We need to mix 18 quarts of sparkling water with 9 quarts of grape juice.

We need to mix 1.875 quarts of grape juice with 3.75 quarts of sparkling water.

Step-by-step explanation:

Given: A recipe for sparkling grape juice calls for 1.5 quarts of sparkling water and .75 quart of grape juice.

Since, for recipe of sparkling grape juice , they should be used in same proportion.

Let x be the amount of sparkling water need to mix with 9 quarts of grape juice, then

$\frac{x}{9}=\frac{1.5}{0.75}\\\Rightarrow\ x=\frac{1.5\times9}{0.75}\\\Rightarrow\ x=18$

We need to mix 18 quarts of sparkling water with 9 quarts of grape juice.

Let y be the amount of grape juice need to mix with 3.75 quarts of sparkling water, then

$\frac{3.75}{y}=\frac{1.5}{0.75}\\\Rightarrow\ y=\frac{3.75\times0.75}{1.5}\\\Rightarrow\ y=1.875$

We need to mix 1.875 quarts of grape juice with 3.75 quarts of sparkling water.

4 0

3 years ago