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3 years ago

PLSSS HELP GIVING BRAINLIEST

Mathematics

2 answers:

mylen [45]3 years ago

8 0

Answer: 180

Step-by-step explanation:

sasho [114]3 years ago

7 0

Answer: D. 180

Step-by-step explanation:

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What is the difference when the sum of 12 and (-6) is subtracted from the quotient of (-21) and 3?

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12+(-6)-[(-21)/3]
=6-(-7)=6+7=13

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4 years ago

What is the equation for 8x=40

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The answer to the question is 5

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4 years ago

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Triangle A B C. Angle C is 90 degrees. Hypotenuse side A B is c, C B is a, C A is b.

VashaNatasha [74]

Answer:

Step-by-step explanation:

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3 years ago

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Select the best answer for the question

Klio2033 [76]

Answer:

C. $\left[\begin{array}{ccc}-24&0&-3\\8&-48&56\\25&-6&10\end{array}\right]$

Step-by-step explanation:

The given matrices are;

$F=\left[\begin{array}{cc}-2&0\\0&8\\2&1\end{array}\right]$

and

$C=\left[\begin{array}{ccc}12&0&\frac{3}{2}\\1&-6&7\end{array}\right]$

$FC=\left[\begin{array}{cc}-2&0\\0&8\\2&1\end{array}\right]\left[\begin{array}{ccc}12&0&\frac{3}{2}\\1&-6&7\end{array}\right]$

$FC=\left[\begin{array}{ccc}12(-2)+0(1)&0(-2)+-6(0)&\frac{3}{2}(-2)+7(0)\\12(0)+8(1)&0(0)+8(-6)&0(\frac{3}{2})+8(7)\\2(12)+1(1)&2(0)+1(-6)&2(\frac{3}{2})+1(7)\end{array}\right]$

This simplifies to;

$FC=\left[\begin{array}{ccc}-24&0&-3\\8&-48&56\\25&-6&10\end{array}\right]$

The correct answer is C

5 0

3 years ago

Uh i’m so confused can someone help me asap pls and ty

Contact [7]

Answer: ∠REA = 53°

Step-by-step explanation:

Since ∠BEA = 71°, set both angle measures equal to that.

2x + 5x + 8 = 71

Solve for x. First, combine like terms:

7x + 8 = 71

Then, subtract 8 from both sides:

7x = 63

Divide both sides by 7:

x = 9

Now, plug x into ∠REA:

∠REA = 5x + 8

∠REA = 5(9) + 8

∠REA = 45 + 8

∠REA = 53°

Hope this helps!

6 0

3 years ago