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xenn [34]
3 years ago
5

3. It took Juan 48 minutes to drive 12 miles. Calculate his speed in miles per hour.

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0
It would be 4 mph because 48 divided by 12 is 4.
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Find the side length of X
7nadin3 [17]

Answer:

7√3

Step-by-step explanation:

We can use pythagoreans theorem to solve this

Since, we know one side, and the hypotenuse, we can solve for the other side.  

Pythagoreans theorem: a²+b²=c²

Where a and b are two sides, and c is the hypotenuse (the side opposite of the right angle)

In this triangle, 7 is the side, and 14 is the hypotenuse.

I will plug in the values into pythagoreans theorem, and then simplify:

a^{2}+b^{2} =c^{2} \\\\7^{2} +x^{2} =14^{2} \\\\49+x^{2} =196\\\\x^{2} =147\\\\x=\sqrt{147} \\\\x=\sqrt{49*3 }\\\\ x=\sqrt{7^{2} *3 }\\\\x=7\sqrt{3}

So x = 7√3

6 0
3 years ago
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KATRIN_1 [288]

Answer to Problem 1: 5√3

Answer to Problem 2: 21√5

5 0
3 years ago
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RUDIKE [14]

Answer:187.2

Step-by-step explanation:

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After 60% discount price will be 156

And Sales tax is 8% . Then the price of sales tax is $31.2.

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5 0
3 years ago
Dana needs 4.25 cups of flour to make 5 dozen cookies. How
Ne4ueva [31]

Answer:

C. 0.85 cups

Step-by-step explanation:

4.25/5 = 0.85

5 0
3 years ago
Will mark as brainliest to whoever first gets it correct!
anzhelika [568]

Answer: 27 candles.

Step-by-step explanation:

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In this case, the candles have a volume of 220 cm³.

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7 0
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