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netineya [11]
3 years ago
9

the next Science test will have 50 questions.How many questions does Julia need to answer correctly to recieve a score of 90%

Mathematics
2 answers:
andrezito [222]3 years ago
5 0
She will have to answer 45 questions right because if you multiply 50×.90. You will get 45, so she can only get 5 questions wrong.
Katarina [22]3 years ago
3 0
Julie will need to answer 45 questions correctly to receive a score of 90%
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How do you find the x intercepts of a polynomial function with a zero constant?
ki77a [65]
Plug in zero for y. And then do the math to find your answer.
5 0
3 years ago
A number is doubled and then the product is increased by 6. This sum is then multiplied by -3, and the result is 54 greater than
34kurt

Answer:

  • -24

Step-by-step explanation:

Let the number be x

<u>Then we have the equation</u>

  • (2x + 6)*(-3) = -3x + 54
  • -6x - 18 = -3x + 54
  • 6x - 3x = -18 - 54
  • 3x = -72
  • x = -72/3
  • x = - 24
8 0
3 years ago
Read 2 more answers
3(4a+b) What matches this equation
vivado [14]

Answer:

12a + 3b.

Step-by-step explanation:

3(4a + b)

= 3 * 4a + 3 * b

= 12a + 3b.

Hope this helps!

8 0
2 years ago
Read 2 more answers
May 26- 1
Dafna11 [192]

Answer:

  neither exponential nor linear

Step-by-step explanation:

A linear relationship will show a common difference between adjacent value. Here, the first differences between the first three values are 5 and 33. They are not the same, so the relation is not linear.

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An exponential relationship will show first differences that are continuously increasing or decreasing by increasing or decreasing amounts (respectively).

As we showed, the difference between May 28 and May 27 is 33. This is more than the previous difference. However, the difference between May 30 and May 31 is only 28, which is less than a previous difference.

The relation is not exponential.

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A graph points up the non-linearity of the relation.

4 0
3 years ago
What is the mean absolute deviation (MAD) of the data set?
Verizon [17]

The mean absolute deviation of this set is 3.43 or 3. Have a good day!

6 0
3 years ago
Read 2 more answers
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