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Dovator [93]
3 years ago
5

PLEASEEEE HELPPP Angle A and angle B are two angles that are complementary. We know angle A measures (x+2)° and Angle B measures

57°. Use your knowledge of complementary angles to solve for x.
Mathematics
2 answers:
Oliga [24]3 years ago
7 0

Answer:

x=31

Step-by-step explanation: Since we know Angle A and Angle B are complementary and complementary angles add up to 90 we can set up an equation:

x+2+57=90

x+59=90

x=31

Hope this helps :)

saul85 [17]3 years ago
3 0

Answer:

Step-by-step explanation:

x + 2 + 57 = 90

x + 59 = 90

x = 31°

x + 2 = 33°

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Factors multiply to get the product.

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Let Upper A equals left bracket Start 2 By 2 Matrix 1st Row 1st Column negative 2 2nd Column 4 2nd Row 1st Column 1 2nd Column 3
vagabundo [1.1K]

Answer:

not

Step-by-step explanation:

\left[\begin{array}{ccc}-2&4\\1&3\end{array}\right] *\left[\begin{array}{ccc}-2&1\\3&7\end{array}\right]=

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Let's find A*B

\left[\begin{array}{ccc}-2(-2)+4*3&-2*1+4*7\\1(-2)+3*3&1*1+3*7\end{array}\right] =\left[\begin{array}{ccc}16&26\\7&22\end{array}\right]

b)

\left[\begin{array}{ccc}-2&1\\3&7\end{array}\right]  \left[\begin{array}{ccc}-2&4\\1&3\end{array}\right] =

Now let's find B*A

\left[\begin{array}{ccc}-2(-2)+1*1&-2*4+1*3\\3(-2)+7*1&3*4+7*3\end{array}\right] =\left[\begin{array}{ccc}5&-5\\1&23\end{array}\right]

c) They are not

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3 years ago
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valentina_108 [34]

Simplify the radical by breaking the radicand up into a product of known factors.

Exact Form:

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Decimal Form:

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3 years ago
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Answer:

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Step-by-step explanation:

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Step2247 [10]

Answer:

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Step-by-step explanation:

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