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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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Vinnie drives his car 210 miles and has an average of a certain speed. If the average speed had been 3mph more, he could have tr
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a circular oil slick is expanding at a rate of 2m^2/h. Find the rate at which it's diameter is expanding when it's radius is 1.5
aleksandrvk [35]

Answer:  \frac{4\pi}{3} \text{ meter per hour}

Step-by-step explanation:

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So, the changes in  A with respect to time (t),

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\frac{d}{dt} ( 2 r)]_{r=1.5} = \frac{2}{\pi \times 1.5}=\frac{20}{\pi \times 15}=\frac{4\pi }{3}\text{ meter per hour}




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