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11 months ago

Which terms are alike? Choose 2. A. -2xyz B. x + y + z C. xyz D. xy

Mathematics

1 answer:

DENIUS [597]11 months ago

4 0

The equivalent terms based on the given options are (x × y × z) and xyz. option B and option C

<h3>Equivalent terms</h3>

Check all options:

A. -2xyz

B. x × y × z

C. xyz

D. xy

The equivalent terms based on the given options are (x × y × z) and xyz

Learn more about like terms:

brainly.com/question/17471184

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How do you know if a square root of something is rational or irrational? like i know it can be represented by a fraction or a ra

ra1l [238]

The square root of a whole number will be rational if the whole number is a perfect square (i.e 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 etc) and irrational otherwise.

Rational number is a number that can be described as m/n

so a fraction can be a rational number, 0.8=4/5
Irrational numbers can't be written as a fraction

The part about the number having to be a perfect square is still correct, if it's not a prefect square than it will just keep going(a decimal that never ends)

for example the square root of 0.64 is 0.8
and the square root of 10 is 3.162277...
as you can see the 0.64 one ends and is rational, whereas the 10 one just keeps going and is irrational.

5 0

3 years ago

What fraction is not equal to 2/3

Svetllana [295]

Answer:

All fractions except 2/3 lol

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Why is 2×3/4 less than two

Nata [24]

Answer:

2x3 = 6, 6/4 = 3/2 = 1.5 which is less than 2. 1.5 < 2.

Step-by-step explanation:

4 0

2 years ago

Which equation is modeled below?

Alik [6]

Answer:

-x+1=2x+3

Step-by-step explanation:

Im not really sure of it but i think thats the answer

6 0

2 years ago

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Rosa is making a poster that has a rainbow as part of the design. Using a compass she draws a semicircle with a radius of 18 cm.

Keith_Richards [23]

Answer:

282.7 cm²

Step-by-step explanation:

Hello There!

To find the area of the shaded area we are going to want to find the area of the whole semi circle and subtract it by the area of the smaller semi circle

To find the area of a semicircle we use this formula

$A=\frac{\pi r^2}{2}$

where r = radius

For the large semi circle

The radius of the larger semi circle is 18 cm so we plug in 18 into r in the formula

So..

$A=\frac{\pi 18^2}{2} \\18^2=324\\324\pi =1017.87602\\\frac{1017.87602}{2} =508.9380099$

So the area of the whole semi circle is 508.9380099 cm²

Now to find the area of the smaller semi circle

The radius for the smaller semi circle is 12 cm so we plug in 12 into r in the formula

$A=\frac{12^2\pi }{2} \\12^2=144\\144\pi =452.3893421\\\frac{452.3893421}{2} =226.1946711$

so the area of the smaller semi circle is 226.1946711cm²

Finally we want to subtract the area of the smaller semi circle from the area of the whole semi circle

508.9380099 - 226.1946711 = 282.7433388

Finally we want to round to the nearest tenth and we get that the area of the rainbow is 282.7 cm²

4 0

2 years ago