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dsp73
3 years ago
15

Complete the solution of the equation. Find the value of y when x equals -2. -4x+8y=-24 ​

Mathematics
2 answers:
zepelin [54]3 years ago
5 0

Answer:y=-4

Step-by-step explanation:

Multiply -4 by -2 you get positive 8 rewrite the equation subtract 8 from both sides that leaves you with 8y=-32 your final step is to divide both sides 8 that leaves you with -4 which is the answer.

Ilia_Sergeevich [38]3 years ago
3 0

Answer:

y=-4

Step-by-step explanation:

-4(-2)+8y=-24

The negatives cancel out to make a positive.

8+8y=-24

subtract the number without a variable from the answer.

-24-8=-32

You are taking more away from the negative.

8y=-32

Divide the 32 by 8 to get your answer

-32/8=-4

Therefor your answer is y=-4

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Which of the following are like terms to the term 2x (which more than one apply?
GuDViN [60]
-2x and 4x
and x2 so tats it
6 0
2 years ago
Find the value of x in the diagram below.
dsp73

Answer:

x = 31

Step-by-step explanation:

The 2 sides are congruent, meaning the 2 angles are equal so:

47 = x + 16

subtract 16 from both sides

31 = x

5 0
2 years ago
PLEASE PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!
Oksanka [162]

The answer is Option B (x + 6)(x^2 + 8)

Step-by-step explanation:

Step 1: Group the given cubic polynomial into two sections.  

So  polynomial can be  grouped as

(x^3 + 6x^2) + (8x + 48)

Step 2:Find what's the common in each section.

In section (x^3 + 6x^2)  the come term is x^2

In section (8x + 48)  the come term is 8

Step 3:Factor the commonalities out of the two terms.

Factoring out x^2 from the first section  (x^3 + 6x^2), we get  x^2(x + 6)

Factoring out 8 from the second section(8x + 48) ,  we will get 8(x + 6).

Step 4: Combine the factors together for terms contains the same factor,

Combining we get,\left(x+6\right)\left(x^2+8\right)

\left(x+6\right)\left(x^2+8\right)

7 0
3 years ago
What times what times what times what equals -5/24 i need two different ways please help
saul85 [17]

Answer:

;fjk;rofkfk;;fkslgl;fkfls'rfi;,dfei;se;feieirjeiljlaejre

sfe;jflejflseleijflskfeselselehf

Step-by-step explanation:

ueufaepfsfjseuefkeou;oiwrrsdkuijksgukuisdjyfekefaehkf

4 0
3 years ago
Candice is preparing for her final exam in Statistics. She knows she needs an 74 out of 100 to earn an A overall in the course.
Salsk061 [2.6K]

Answer:

Hence the correct option is option b) Yes, the upper level of one standard deviation is 72.

A score of 74 is not within one standard deviation of the mean.

Step-by-step explanation:

Here the given details are,

Mean = 68  

SD = 4  

Distribution is normal.  

Z-score for x = 74 is given as below:  

Z = (X - mean)/SD\\Z = (74 - 68)/4\\Z = 1.5  

So, the score of 74 is 1.5 standard deviations from the mean.  

Mean + 1\timesSD = 68 + 1\times4 = 72Mean - 1\timesSD = 68 - 1\times4 = 64  

Therefore the score is not lies between 64 and 72.  

Yes, the upper level of one standard deviation is 72.  

3 0
3 years ago
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