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sergij07 [2.7K]
3 years ago
9

How do i solve this equation? -5x =-40

Mathematics
2 answers:
LuckyWell [14K]3 years ago
5 0
You solve it by dividing -40 over -5 then you will get x=8
zysi [14]3 years ago
4 0
You will divide each side by -5 to get rid of coefficient so x will be alone which will result in the answer being x=8
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Which statement best describes the function below?
12345 [234]
The answer is B
Because when you graph it in the calculator you get x=-136 and that goes to one to one function on the graph
5 0
3 years ago
I know one answer is C
SSSSS [86.1K]

Answer:

A&C

Step-by-step explanation:

As, you said, the first answer is C. Now, we are given seven, and when we are adding a negative number, we move in the direction of left, and since we are moving by 7, we would be moving 7 to the left. Therefore, the other answer is A.

7 0
3 years ago
Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays
Masteriza [31]

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

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Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

7 0
2 years ago
Read 2 more answers
What is the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81?
Marizza181 [45]

Answer: d. 1.3333

Step-by-step explanation:

We know that the standard error of a sampling distribution is given by :-

S.E.=\dfrac{\sigma}{\sqrt{n}}

, where \sigma = Population standard deviation.

n= Sample size.

AS per given , we have

\sigma =12

n=81

Then, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 will be :-

S.E.=\dfrac{12}{\sqrt{81}}

=\dfrac{12}{\sqrt{9^2}}=\dfrac{12}{9}\\\\=\dfrac{4}{3}\\\\\approx1.3333

Hence, the standard error of a sampling distribution with a population standard deviation of 12 and the sample size of 81 is 1.3333.

Thus the correct answer is d. 1.3333 .

6 0
3 years ago
Plsss help me pleaseee with right answers xoxo
kondaur [170]

Answer:

17

Step-by-step explanation:

503km

3hr

503/3

16.67

17 should be your average speed

Once you divide it you have to Round the number it gives you so you get a hole number and since 6 is higher then 5 it rounds to 17

if I'm right can I get brainliest please

5 0
3 years ago
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