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stira [4]
3 years ago
6

25 more than 4 times a number is 13. What is the number?

Mathematics
2 answers:
vlabodo [156]3 years ago
7 0

Answer:

-3

Step-by-step explanation:

4x + 25 = 13 ➡ 4x = 13 - 25 ➡x = -3

KengaRu [80]3 years ago
6 0

Answer:

The number(x)= -3

Step-by-step explanation:

Step 1- Subtract from both sides

4x+25= 13

    -25 -25

Step 2- Divide from both sides

<u>4x</u>= <u>-12</u>

4      4

x=-3

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a science quiz has eight multiple choice questions with five choices for each. Find the total number of ways to answer the quest
almond37 [142]

Answer:

390625

Step-by-step explanation:

The questions are all independent -- the answer on one question does not limit the number of possible answers on another question.

The quiz has 5 choices for each question, so there are

5\times5\times5\times5\times5\times5\times5\times5 ways to answer the quiz questions.

Notice that this could be written 5^8.  You could say that the number of ways to answer the questions is

number \, of \, choices^{number \, of \, questions}

Use a calculator to find 5^8

8 0
3 years ago
X + 16 at X= 4<br> 20<br> 21<br> 15
Colt1911 [192]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Which best explains how you know that P(2, 7) is on the same line as Q(7, 4) and R(12, 1)?
Helen [10]

Answer:

See explanation below

Step-by-step explanation:

The best explanation is noticing that in order to get from the point R (12, 1) to the point Q (7, 4) we move 5 units to the left and 3 units up. And to go from point Q (7, 4) to point P (2, 7) we do exactly the same: move 5 units to the left and 3 units up. That means that these points are all connected via the same rate of change:  - 3/5, which is in fact the slope of the line the three points belong to.

4 0
3 years ago
Find the range of the data. <br><br> 98, 21, 52, 39, 45 76
Alenkinab [10]

Answer:

77

Step-by-step explanation:

The range of the data is largest number minus smallest number.

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8 0
3 years ago
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gregori [183]

Answer:

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Step-by-step explanation:

Let x and y be the numbers

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The two numbers are 15/4 and 45/4

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2 years ago
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