3 years ago

Which of the following best illustrates Closure of Addition for the set of Whole numbers?

Mathematics

2 answers:

Marrrta [24]3 years ago

8 0

The answer to this is D!

PtichkaEL [24]3 years ago

4 0

The answer is D :) Hope this helps

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A 75 inch is cut into two pieces. One piece is four times the length of the other. Find the length of the shorter piece.

podryga [215]

Answer:

Step-by-step explanation:

15x4 times the string=60

60+15 is the length of the smaller string=75 inches of the total string.

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3 years ago

What is the length of chord XY

Sergeeva-Olga [200]

Answer:

$|XY|=18cm$

Step-by-step explanation:

Since the chord is a tangent to the smaller circle, it will meet the radius of the smaller circle at right angle.

Let $d$ be the length of half of the chord. See diagram in attachment.

Then from Pythagoras Theorem,

$d^2+12^2=15^2$

$\Rightarrow d^2+144=225$

$\Rightarrow d^2=225-144$

$\Rightarrow d^2=81$

We take the positive square root of both sides to obtain,

$d=\sqrt{81}=9$

The length of the chord is

$2d=2(9)=18cm$

The correct answer is A

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3 years ago

If North high school has 5000 students and south high school has 1 tenth as many how many students dose south high have?

solmaris [256]

Just divid 0.10 by 5000

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3 years ago

1/2x=8 as a mixed number show work

olga nikolaevna [1]

Answer:

Step-by-step explanation:

1/2 x =8

Multiply both sides by 2

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The scatter plot shows the first-year income for 15 people, based on the number of years of school they each had after high scho

notsponge [240]

Answer:

Step-by-step explanation:

the answer is C. because if you notice how on the scattered graph the numbers go from 0-9 and 0-90. on C. it says 0years which will have an income of 8,000 dollars. divide and multiply and then switch flip.

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2 years ago

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