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Gemiola [76]
2 years ago
15

The first step in solving the quadratic equation -5x^2+8=133 is to subtract 1.)2 from each same side

Mathematics
2 answers:
Bumek [7]2 years ago
7 0
Try to get x by itself
so minus 8 from both sides

you end up with 5x^2=125

answer is 3rd option
mafiozo [28]2 years ago
5 0
The first step in solving the quadratic equation, you have subtract 8 to both side.

-5x² + 8 = 133

-5x² = 133 - 8

so your answer is 3.) 8

hope this helps, God bless!
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What is the solution to <br> 2x -8 = 2(x - 4 ) ?<br><br> ALSO, explain how you solved it.
Genrish500 [490]
First, you gotta simplify. There’s really nothing to simplify so just take it out of the parenthesis.

2x-8=2x-4

Now turn the -8 into a +8. Add it on each side.

2x=2x+8

Now turn the 2x on the right into a negative. Do the same thing you did with the 8.
Now it’s:

0 = 8

That means there’s no solution.
Hope this helped :)
7 0
2 years ago
12/k = 18/42 what is k
Maslowich

Answer:

k = 28

Step-by-step explanation:

12/k = 18/42

Cross multiply.

18k = 12 * 42

18k = 504

Divide both sides by 18.

k = 28

5 0
3 years ago
Tn = -2n + 3, find t4
yanalaym [24]

Substitute n = 4

t(4)=-2(4)+3

-8+3= -5

therefore t(4) = -5

4 0
3 years ago
Which phrase best describes the scatterplot below? strong negative correlation strong positive correlation weak negative correla
s344n2d4d5 [400]

*the scatter plot of the question is attached below

Answer:

Strong negative correlation

Step-by-step explanation:

In the scatter plot attached below, as the variable in the x-axis increases, the variable on the y-axis decreases. Thus, if a line of best fit is drawn, it would show a line that slopes downwards to our right. This shows a negative correlation between both variables in the scatter plot.

Also, we also see that the data points represented on the scatter plot are clustered more closely along the slope, showing strong negative correlation.

Therefore, the phrase that best describes the scatter plot is: strong negative correlation.

3 0
2 years ago
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MAXImum [283]

Answer:JKL

Step-by-step explanation:A 270 degree rotation represents three 90 degree rotations

Rotating ABC by 90 degrees three times places it in the position of JKL

So, the answer is B. JKL

4 0
2 years ago
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