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netineya [11]
4 years ago
5

Solve for x. -5(x - 4) = -30 Enter your answer in the box. X = ________

Mathematics
2 answers:
Aleksandr-060686 [28]4 years ago
4 0

Answer:

x=10

Step-by-step explanation:

kompoz [17]4 years ago
3 0

Answer:

21

Step-by-step explanation:

crown if this helps

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What is the change in temperature from 15° to -9°?<br> (the choices in the docx)
morpeh [17]
I would say D because 15 to -9 would be going down 24.
4 0
4 years ago
Finf the exact value of sin A and cos A where a = 9 and b = 10 and &lt;c is a right angle
Katyanochek1 [597]
To solve for the longest side, the hypotenuse, you have to use the pythagorean theorem. It will be 10^2 + 9^2 = c^2. 100 + 81 =c^2. 
c^2 = 181 so c = sqrt(181).
to find sin of A do opposite/hypotenuse which gives you 9/sqrt(181)
to find cos of A do adjacent/hypotenuse which gives you 10/sqrt(181)

8 0
3 years ago
Read 2 more answers
You MIGHT have the author been addressing when writing this?
solmaris [256]

Answer:

its b lol

Step-by-step explanation:

6 0
4 years ago
Help plzzzzzzzzzzzzzz ​
Anna11 [10]

Answer:

71

so there's a right angle and 19° i added them and got 109°. and remember a triangle is 180° so i did 180-109

4 0
3 years ago
Which of the following represents an equation of a line parallel to one whose equation is 2x + 8x = 18
Naya [18.7K]

Answer:

y=-4x+3

Step-by-step explanation:

it does not show the equations that are following

but the main thing you need to know is that when two lines are parallel they have the same slope

and do you mean 2x+8y=18 not x?

edit:

answer choices: y=-4x+3, y=8x-2, y=4x+7, y=-8x+9

2y+8x=18

first change that equation to slope intercept form to find the slope

2y = -8x+18 -> y = -4x+9

slope is -4

so the answer is y=-4x+3 because it also has a slope of -4

5 0
3 years ago
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