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gtnhenbr [62]
3 years ago
12

Solve the equation and enter the value of x below. -4x-13 = 51 X= Answer here

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

x = -16

Step-by-step explanation:

-4x - 13 = 51

-4x = 51 + 13

-4x = 64

x = -16

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Harlamova29_29 [7]
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
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3 0
3 years ago
Do this for me and I will give 42 points, it is 9th grade prob and stats.
Hitman42 [59]

answer what question?

6 0
3 years ago
Make R the subject<br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7BP%3D10%28Q-3R%29%7D%7BR%7D" id="TexFormula1" title=" \frac
Naddik [55]

I must assume that you meant the following:

10(Q-3R)

P = ----------------

R

Multiplying both sides by R, we get PR = 10R(Q-3R), or PR = 10RQ - 30R^2.

Rearranging these terms so that powers of R are in descending order:

30R^2 - 10RQ + PR = 0

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R(30R - 10Q + P) = 0. This has two solutions:

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30

8 0
3 years ago
Some pls help to give 20 points
madreJ [45]

Answer:

Neon= -10+10= 0 on no change

oxide=-10+8=-2

copper=-27 +29 = 2

tin= -50 +50 = 0 or no change

Step-by-step explanation:

Its basically subtraction ( i pretty sure thats right)

4 0
3 years ago
In how many ways can four people sit next to each other in a stadium row 12 24 256 48
gogolik [260]

Answer: 24

Step-by-step explanation:

The permutation of n things taken r at a time is given by :-

^nP_r=\dfrac{n!}{(n-r)!}

The number of ways four people can sit next to each other in a stadium row will be given by :-

^4P_4=\dfrac{4!}{(4-4)!}

=\dfrac{4\times3\times2\times1}{0!}\ \ \ n!=n\times (n-1)\times(n-2),...(2)(1)

=24\ \ \ \ \text{ since}0!=1

Hence, the number of ways can four people sit next to each other in a stadium row =24

8 0
3 years ago
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