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sasho [114]
3 years ago
5

Use mental math to solve for the missing number:

Mathematics
2 answers:
Vaselesa [24]3 years ago
8 0

Answer:

39

Step-by-step explanation:

Let the number be x.

The quotient of x and 3 is 13.

x/3 = 13

Multiply both sides by 3.

x = 13 × 3

x = 39

lora16 [44]3 years ago
5 0

Answer:

39

Step-by-step explanation:

The quotient of a number and 3 is 13. That's the same as saying n/3 = 13.

IF you multiply both sides of the equation by 3, you get n = 39, which is what we want.

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lisov135 [29]
5x + 9+x = 9x

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4 0
3 years ago
Who can see if they can help me with this
goldfiish [28.3K]

Answer:

vertical angles, Vertical Angles are the angles opposite each other when two lines cross. "Vertical" in this case means they share the same Vertex (corner point), not the usual meaning of up-down.

Complementary angles are two angles with a sum of 90º. Supplementary angles are two angles with a sum of 180º. Vertical angles are two angles whose sides form two pairs of opposite rays. We can think of these as opposite angles formed by an X.

Step-by-step explanation:

6 0
3 years ago
Solve:<br><br> a – 17 = 15<br> A. a = 32<br> B. a = 31<br> C. a = 45<br> D. a = 26
Tasya [4]

Answer:

A.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The graph shows how much a plant grew after it was purchased. Which statement is not correct?
Luda [366]

Answer:

The plant grows 1 cm every day is the incorrect statement

Step-by-step explanation:

The graph shows that for every 10 days the plant grows 1 cm

10/2 = 5

so in 5 days the plant would grow half of what it does in 10 days so 1/2 or 0.5 cm

10/10 = 1

so in 1 day the plant would grow a tenth of what it does in 10 days so 1/10 or 0.1 cm

3 0
3 years ago
If x<br>varies directly as y.<br>x=5 and y=10. find the<br>Value of a x when y=<br>3​
Serggg [28]

Answer:

x = 1.5 when y = 3

Step-by-step explanation:

You can put this in a ratio:

x    :    y

5    :   10

1.5  :    3

x is 1.5 when y is 3.

4 0
3 years ago
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