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kolbaska11 [484]
1 year ago
13

8) In square HOPE, mH = 5x. Find the value of x.A. 10B. 18C. 70D. 15

Mathematics
1 answer:
Sladkaya [172]1 year ago
8 0

ANSWER

B.\text{ }18

EXPLANATION

Let us make a sketch of the square:

Each angle in a square is equal to 90 degrees. This implies that:

5x=90

Solve for x by dividing both sides of the equation by 5:

\begin{gathered} \frac{5x}{5}=\frac{90}{5} \\  \\ x=18 \end{gathered}

The answer is option B.

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Once the cake is removed from the oven, it has been exposed to the room temperature of 70°F. After 10 minutes, the cake's temperature decreased to 200°F, which is 150°F cooler than it initially was (350°F). As for the what is asked, 90°F is 260°F cooler than its original temperature (350°F).

This problem can be expressed in a ratio: 
10mins:150<span>°F = N:260</span><span>°F
where N is how long it will take for</span><span> cake to cool to 90°F

</span>150<span>°FxN=10x260
</span>150N=2600
N=2600/150
N=17.33
N<span>≈20 minutes

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3 years ago
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Answer:

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3 years ago
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