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3 years ago

Does anyone know the answer

Mathematics

1 answer:

vlada-n [284]3 years ago

4 0

The correct answer is A. 109 degrees.

Explanation:

Because the angles are supplementary, their sum is 180 degrees.

We know that one of them is 71 degrees, so we substract that from 180, therefore the other angle is 109 degrees.

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3 years ago

What ratio is equivalent to 4 : 28

klasskru [66]

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2 : 14

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3 years ago

Read 2 more answers

I need help pls step by step i will really appreciate pls also l will mark you the brainly if you did !

agasfer [191]

Answer:

1. 2

2.3 $\sqrt{5}$

3.8 $\sqrt{6}$

4.2.5 $\sqrt{10}$

Step-by-step explanation:

Remember that $\frac{\sqrt{a}}{\sqrt{b}}$ = $\sqrt{\frac{a}{b} }$ , and $\frac{a}{\sqrt{b}}$ = $\frac{a}{\sqrt{b}}$ * $\frac{\sqrt{b}}{\sqrt{b}}$ = $\frac{a\sqrt{b}}{b}$

1. $\frac{\sqrt{48}}{\sqrt{12} }$ = $\sqrt{\frac{48}{12} }$ = $\sqrt{4}$ =2

2. $\frac{15}{\sqrt{5} }$ = $\frac{15}{\sqrt{5} }$ * $\frac{\sqrt{5}}{\sqrt{5} }$ = $\frac{15\sqrt{5} }{5}}$ =3 $\sqrt{5}$

3. $\frac{48}{\sqrt{6}}$ = $\frac{48}{\sqrt{6}}$ * $\frac{\sqrt{6}}{\sqrt{6}}$ = $\frac{48\sqrt{6}}{6}$ =8 $\sqrt{6}$

4. $\frac{25}{\sqrt{10}}$ = $\frac{25}{\sqrt{10}}$ * $\frac{\sqrt{10}}{\sqrt{10}}$ = $\frac{25\sqrt{10}}{10}$ =2.5 $\sqrt{10}$

4 0

3 years ago

Halp please and show you work cuz I'm nervous TwT

Daniel [21]

The answer is B, both 16+24 and option b is = to 40

3 0

2 years ago

Evaluate the determinant for the following matrix [144] [522] [155]

WARRIOR [948]

Matrix :

1    4    4

5 2    2

1    5    5

=> Determinant =

1 * (2*5 - 2*5) - 4 * (5*5 - 1*2) + 4 * ( 5*5 - 2*1)

= 1*(10 - 10) - 4*(25 - 2) + 4*(25 -2) = 1*0 + 4* 23 + 4*(25 - 2) = 0 - 4*23 + 4*23 = 0

Answer: 0

8 0

3 years ago