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labwork [276]
3 years ago
12

Please help thanks! Brainliest Sorry for spamming.

Mathematics
1 answer:
Bad White [126]3 years ago
6 0

Answer: −10

Step-by-step explanation: 9^2−21/−6

81−21/−6

60/−6

−10

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Help I have to turn these in fast I'll give brainliest
____ [38]

Answer:

<h3><u>Firs</u><u>t</u><u> </u><u>q</u><u>uestion</u></h3>

To find ? we use sine

sin ∅ = opposite / hypotenuse

From the question

The hypotenuse is 50

The opposite is 25

So we have

sin ? = 25 / 50

sin ? = 1/2

? = sin-¹ 1/2

<h2>? = 30°</h2>

<h3><u>Sec</u><u>ond</u><u> </u><u>q</u><u>uestion</u></h3>

To find ? we use tan

tan ∅ = opposite / adjacent

From the question

the opposite is 8

the adjacent is 33

So we have

tan ? = 8/33

? = tan-¹ 8/33

? = 13.62

<h3>? = 14° to the nearest degree</h3>

Hope this helps you

3 0
3 years ago
Choose the slope and y-intercept that<br> correspond with the graph.<br> HELPPP!!!!!!
statuscvo [17]

Answer:

Slope:-1/4 y-int: 3

Step-by-step explanation:

You can you the formula y1-y2/x1-x1 or you can look at it and find out if that makes sense

4 0
4 years ago
Hello, I have a problem:
Mamont248 [21]
You could get 169 mixtures
8 0
4 years ago
Line g is shown on the graph.
alisha [4.7K]

The linear equation that defines the line G can be written as:

y = -(1/3)*x + 5

<h3>How to get the equation of the line G?</h3>

A general linear equation written in the slope-intercept form is:

y = a*x + b

Where a and b are real numbers, a is the slope and b is the y-intercept.

If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), then the slope is:

a = (y₂ - y₁)/(x₂ - x₁)

In this case we know that the line passes through (-3, 6) and (0, 5), then the slope is:

a = (5 - 6)/(0 - (-3)) = -1/3

The linear equation is something like:

y = (-1/3)*x + b

We know that it passes through (0, 5), then:

5 = (-1/3)*0 + b

5 = b

We conclude that the linear equation can be written as:

y = -(1/3)*x + 5

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

7 0
1 year ago
Factor completely 121x2 − 16.
hammer [34]
Assuming you meant the x2 as x squared, then:

(11x+4)(11x-4)
8 0
3 years ago
Read 2 more answers
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