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tensa zangetsu [6.8K]
3 years ago
15

A problem states “ there are nine more children than parents in a room. There are 25 people in the room and all. How many childr

en are there in the room.”
Let c represent the number of children.
Which expression represents the number of parents?

A. 9 - c
B. c x 9
C. c - 9
D. c + 9

Thank you kind human.
From fellow human.
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

If C represents the number of children you aren't gonna want to multiple like how it shows in option b and you aren't gonna wanna subtract.

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What is 8.7 divided by 53.07 step by step?
tresset_1 [31]

Shift the decimal points of both 8.7 and 53.07 to the right by 2 decimal places.

(This is needed to convert 53.07 to 5307, since long division must divide by a whole number.)

870/5307

Set up the long division.

5307|870

Therefore your answer should be 0.1639.

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6 0
3 years ago
How many zeros are indicated by the values in the table that represent the graph of a continuous function?
monitta

Answer:

5

Step-by-step explanation:

6 0
3 years ago
How can you tell that a system of linear equations will have infinitely many solutions without computation?
Contact [7]

If you can manipulate the two equations so that they have exactly the same coefficients (e. g., 3x + 4y = 8 and 2x + 4y = 8), then you conclude that the two lines coincide (overlap), and that there are thus infinitely many solutions.

3 0
3 years ago
Please can someone show me how to work this out step by step without a calculator
Artyom0805 [142]
2\sqrt8\times8\sqrt2=(2\times8)\sqrt{8\times2}=16\sqrt{16}=16\times4=64

Alternatively, you can write radicals as rational exponents, so that you get

2\sqrt8\times8\sqrt2=2\tiems8^{1/2}\times8\times2^{1/2}=2^{3/2}8^{3/2}

Then recalling that 2^3=8, you have

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5 0
3 years ago
A machine manfactures wheels with a diameter of 70cm. It is acceptable for the diameter of a wheel to be within 0.02cm of this v
vitfil [10]

The expected diameter is 70 cm.


It is acceptable for the diameter to be within 0.02 cm of the expected value.

Therefore the acceptable values for the diameter, d, are



The minimum acceptable value of d is obtained from

d + 0.02 = 70

d = 69.98 cm


The maximum acceptable value of d is obtained from

d - 0.02 = 70

d = 70.02 cm


Answer:

Minimum acceptable diameter = 69.98 cm

Maximum acceptable diameter = 70.02 cm

5 0
3 years ago
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