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3 years ago

What's the length of side AB in ABC shown?

Mathematics

1 answer:

andrey2020 [161]3 years ago

8 0

5 squared + 12 squared = 169 and the square root of 169 is 5. The length of AB is 5.

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PLEASE HELP ASAP! 50 POINTS!! HELP HELP HELP!!

marin [14]

$\frac{ \frac{8}{5} + ( - \frac{5}{6}) }{ \frac{1}{6} } \\ = \frac{ \frac{8}{5} - \frac{5}{6} }{ \frac{1}{6} } \\ = \frac{ \frac{48- 25}{30} }{ \frac{1}{6} } \\ = \frac{ \frac{23}{30} }{ \frac{1}{6} } \\ = \frac{23}{30} \times 6 \\ = \frac{23}{5}$

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3 years ago

13. Which fraction is halfway between 3/5 and<br>5/7?

Hitman42 [59]

18/35 is halfway between 3/5 and 5/7. Do you want me to explain or just the answer?

5 0

2 years ago

Read 2 more answers

Sam needs to find the circumference of a circle with a diameter of 24 inches. He uses a calculator to find the circumference. Wh

Anni [7]

Answer: B

Step-by-step explanation:

Using 6 decimals for pi = 3.141592

$Formula: C= \pi d\\$

$C=(3.141592)(24in)\\C=75.398223in$

7 0

3 years ago

Need help ASAP

diamong [38]

Answer:

b. {-9, 3}.

Step-by-step explanation:

x^2 + 6x - 27 = 0

We need 2 numbers whose product is -27 and whose sum is + 6.

These are + 9 and - 3. So the factors are:

(x - 3)(x + 9) = 0

(x - 3) = 0 or (x + 9) = 0

x = 3 or -9.

7 0

3 years ago

Read 2 more answers

If (m, 2) is on a circle with center (−3, 2) and radius 8, what is a value of m?

Talja [164]

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ -3}}\quad ,&{{ 2}})\quad 
% (c,d)
&({{ m}}\quad ,&{{ 2}})
\end{array}\qquad 
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}$

$\bf \textit{we know the distance from m,2 and -3,2(center) is the radius}
\\\\\\
d=8\implies 8=\sqrt{[m-(-3)]^2+[2-2]^2}
\\\\\\
8=\sqrt{(m+3)^2+(0)^2}\implies 8=\sqrt{(m+3)^2}\implies 8^2=(m+3)^2
\\\\\\
64=(m+3)^2\implies \sqrt{64}=\sqrt{(m+3)^2}\implies 8=m+3
\\\\\\
8-3=m$

4 0

3 years ago