2 years ago

What isthe measure of the missing angle

Mathematics

1 answer:

andrey2020 [161]2 years ago

3 0

Answer:

where is the picture

Step-by-step explanation:

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Solve the system of equation by elimination. <br> 4x-3y=-21<br> 5x+3y=-6

Lena [83]

Answer:x=-3,y=3

or (-3,3)

Step-by-step explanation:

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3 years ago

27/100 irrational or rational?

andriy [413]

Answer:

It would be a rational number.

Step-by-step explanation:

An easy way to tell if a number is rational is by seeing if it can be put in fraction form. As you can see, 27/100 is a fraction, so it is rational.

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3 years ago

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Anastaziya [24]

Answer:

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Step-by-step explanation:

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3 years ago

Find the value of the variable using these steps.

Aleks [24]

$0.4x+3.9=5.78$ ⇒ subtracting 3.9 form both sides

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$\frac{0.4x}{0.4}= \frac{1.88}{0.4}$

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3 years ago

Read 2 more answers

Cos²45+Sin²60 + sin^2 30

denpristay [2]

Step-by-step explanation:

${ \cos}^{2} 45 \degree + { \sin}^{2} 60 + { \sin}^{2} 30 \degree \\ = \bigg( \frac{1}{ \sqrt{2} } \bigg)^{2} + \bigg( \frac{ \sqrt{3} }{ 2} \bigg)^{2} + \bigg( \frac{1}{2} \bigg)^{2} \\ \\ = \frac{1}{2} + \frac{3}{4} + \frac{1}{4} \\ \\ = \frac{2}{4} + \frac{3}{4} + \frac{1}{4} \\ \\ = \frac{2 + 3 + 1}{4} \\ \\ = \frac{6}{4} \\ \\ = \frac{3}{2} \\ \\ = 1 \frac{1}{2} \\$

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3 years ago