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2 years ago

14

Which of the following describes an angle with a vertex at Z?

1 answer:

Tresset [83]2 years ago

5 0

B is the answer and why is bc I took the quiz

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I NEED HELP WITH THIS <br> Q1

levacccp [35]

Answer:

$\frac{1}{4} (x-5)=13$

Step-by-step explanation:

So when we multiply this is what we get:

$\frac{x-5}{4}=13$

then we multiply the 4 by 13:

$x-5=52$

then after that we add 52+5 and we get:

$x=57\\$

4 0

2 years ago

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Please help!!!!!!!! What is the measure of angle 4?

Lorico [155]

Answer:

30°

Step-by-step explanation:

<4=<2=30

(vertical opposite angles are equal)

6 0

3 years ago

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The decay constant of a radioactive element is -0.533 per minute. If a sample of the element weighs 50 grams, what will be its w

Stels [109]

$y=50e^{-0.533\times2}\approx17.2192\text{ g}$

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3 years ago

18 children at park 2 times more boys then girls how many boys at park

Dominik [7]

There are 12 boys at the park

3 0

3 years ago

Prove This :<br><br>sin(A+B)+sin(A−B)=2sinA⋅cosB

MaRussiya [10]

Answer:

We know

sin (A + B) = sin A cos B + cos A sin B

sin (A - B) = sin A cos B - cos A sin B

(A + B) + sin (A - B)

= sin A cos B + cos A sin B + sin A cos B - cos A sin B

= sin A cos B + sin A cos B

= 2 sin A cos B

3 0

3 years ago