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adelina 88 [10]
3 years ago
13

Which statement is always true about the quantities in the function y=x+7

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0
It is always linear
it has a y intercept at 7 and an X intercept at -7
domain: (-infinity, infinity)
range: (-infinity, infinity)
integral: (1/2) x^2+7×
derivative: 1
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What is the greatest integer n that satisfies 100^2 - n^2 = n^2 - 100^2
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Answer:

n = 100, -100

Step-by-step explanation:

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Marni used a calculator to find 8 × (3 + 2) ÷ 10 and got a result of 2.6. Which statements about her work are true? Check all th
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1- the diameter of a CD is 24 cm nearest to cm .find its upper and lower bound.
Tanya [424]

Answer:

1) Lower bound = 23.5 cm

Upper bound = 24.5 cm

2) I disagree

3) 7.88

4) 2.32

5) Ahmed = 60 kg

Jasim = 20 kg

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Step-by-step explanation:

1) diameter = 24 cm was rounded up to the nearest cm.

Now, usually, we round up 0.5 to the next whole number. This means that, the actual diameter is;

23.5 ≤ D < 24.5

Thus;

Lower bound = 23.5 cm

Upper bound = 24.5 cm

2) If you weigh 57g,converting to kg is 0.57 kg.

Now, this does not fall in between 56.5kg and 57.5kg given.

Thus, I disagree that your weight could be anything between 56.5kg and 57.5kg .

3) 7.875 approximated to the nearest two decimal place = 7.88

4) 2.3242900000 to the nearest 2 decimal place = 2.32

5) 180 kd shared between ahmed ,jasim and Dalal in the ratio of 3:1:5.

Total part of ratio = 3 + 1 + 5 = 9

Their respective shares are;

Ahmed = 3/9 × 180 = 60 kg

Jasim = 1/9 × 180 = 20 kg

Dalal = 5/9 × 180 = 100 kg

4 0
2 years ago
A rectangular prism with a volume of 3 cubic units is filled with cubes with side lengths of 1/4
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Answer:

192

Step-by-step explanation:

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This means 64 1/4 cubes fit into 1 cube. So for 3 cubes, 3*64 = 192 cubes.

6 0
3 years ago
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28% of what number is 7? Round your answer to the nearest tenth.
Mnenie [13.5K]

Answer:

25

Step-by-step explanation:

hope i helped, if u have any additional questions feel free to reply here or msg me on ig (/craxzyx) !! <3

8 0
3 years ago
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