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Fofino [41]
3 years ago
9

How do you solve for the x ?

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Answer:

x = -8

Step-by-step explanation:

these angles are vertical, therefore they are equal

x + 78 = 70

x = -8

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distance= \sqrt{(7-(-5))^2+(-2-(-1))^2}= \\ \\ =  \sqrt{12^2+(-1)^2}= \sqrt{145}   \approx12.04
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Each morning librarians place 560 books on a book shelf in the school library. Each student that visits library that day takes e
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the answer is 299 books

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Mary had a lemonade stand. In one day she sold 65 glasses of lemonade.
algol13

Answer:

9.75 - the second one

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3 years ago
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What is the volume of a rectangular prism with a length of 8 1/2 centimeters, width of 9 1/3 centimeters, and a height of 12 2/5
Agata [3.3K]
We'd first convert the mixed fractions to "improper", and proceed, keeping in mind that the volume of a rectangular prism is just length*width*height.

\bf \stackrel{mixed}{8\frac{1}{2}}\implies \cfrac{8\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{17}{2}}
\\\\\\
\stackrel{mixed}{9\frac{1}{3}}\implies \cfrac{9\cdot 3+1}{3}\implies \stackrel{improper}{\cfrac{28}{3}}
\\\\\\
\stackrel{mixed}{12\frac{2}{5}}\implies \cfrac{12\cdot 5+2}{5}\implies \stackrel{improper}{\cfrac{62}{5}}\\\\
-------------------------------

\bf \textit{volume of a rectangular prism}\\\\
V=length\cdot width\cdot height\implies V=\cfrac{17}{2}\cdot \cfrac{28}{3}\cdot \cfrac{62}{5}
\\\\\\
V=\cfrac{17\cdot 28\cdot 62}{2\cdot 3\cdot 5}\implies\cfrac{29512}{30}\implies \cfrac{14756}{15}\implies 983\frac{11}{15}
5 0
3 years ago
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What is the circumference if the diameter is 21in and pi is 22/7
Ede4ka [16]

Answer:

66 in

Explanation:

the circumference can be calculated as:

C=d\cdot\pi

Where d is the diameter and π is 22/7.

So, replacing the values, we get:

C=21\cdot\frac{22}{7}=\frac{21\cdot22}{7}=\frac{462}{7}=66\text{ in}

Therefore, the circumference is 66 in.

6 0
1 year ago
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