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34kurt
3 years ago
12

-2(7-y)+4=-4 HELP PLEASE

Mathematics
2 answers:
artcher [175]3 years ago
5 0

Answer:

y=7

Step-by-step explanation:

1)distribute the -2

2)you should the have a new equation -14+2y+4=4

3) combine like terms then you should have -10+2y=4

4)add 10 to both sides new equation should be 2y=14

5)divide be 2 and you should get y=7

inn [45]3 years ago
5 0
I believe it is 7 not sure tho
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Will mark brainest! Please look at the image for the question! (:
Paul [167]
I believe the answer is d
3 0
3 years ago
Plz help I’ll mark brainliest
jeka94

Answer:

<h3>x = 22.62°</h3>

Step-by-step explanation:

To find the measure of angle x we use cosine

\cos( \alpha )  =  \frac{adjacent}{hypotenuse}

From the question

PO is the hypotenuse = 13

The adjacent is 12

Substitute the values into the above formula

That's

\cos(x)  =  \frac{12}{13}

x =  \cos^{ - 1} ( \frac{12}{13} )

x = 22.6198

We have the final answer as

<h3>x = 22.62° to the nearest hundredth</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
Is x +1 a factor? Yes or why not?
Irina-Kira [14]

Answer:

It can be a factor if you have f(-1) = 0

That's binomial theorem as I remember.

7 0
2 years ago
What is the answer for number 15 16 17
stira [4]
15.

6 pachages
each pcage has 30
6*30=180 total

17 left over
how many used
used=total-left over
used=180-17
used=163




16. xy is 2 digit number
multiplules of 10 (whole multipules) always end with 0 so y=0

and has 3 as one of its factors
factors of 3 is 3,6,9,12
30,60,90 is answer



17.
30 in 9 parks
30 times 9
30=10 times 3
3*10*9
group the 3 and 9
10*(3*9)
3*9=27
10*(27)
270






15. 163
16. 30,60,90
17. see above, 270
6 0
4 years ago
Multiply (-x + 2)(x-7)<br><br> PLEASE HELPP!!!
Troyanec [42]

Answer:

x to the 2 power-9x+14

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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