3 years ago

A Is a number that Is a multiple of two or more denominators.

Mathematics

1 answer:

34kurt3 years ago

3 0

The answer to 1 is common multiple. And the answer to 2 is common denominator

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14 80 tiles of side 30cm were used to cover a counter top. Calculate the area of the counter top in square metres.

Komok [63]

Answer:

Step-by-step explanation:

1,480 is a lot of tiles. Did you mean 80 tiles?

30 cm = 0.3 m

Area of one tile = 0.3² m² = 0.09 m²

Multiply the number of tiles by 0.09 m².

3 0

3 years ago

How do you solve this can someone help me pls

horrorfan [7]

Answer:

x-8°+20°= 90°

=>x+12°=90°

=>x=90°-12°

=>x= 78°

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3 years ago

If you have a bag of marbles, 5 blue, 2 red, 6 purple, and 5 green, what is the probability of selecting a blue marble?

Feliz [49]

Answer:

5/18 or about 0.28

Step-by-step explanation:

5 + 2 + 6 + 5 = 18

5/18 or about 0.28

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3 years ago

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2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5.

Elza [17]

First, simplify the expression $2r^2 + 3s^3 - r^2 + 4t^2 - r^2.$ Here you have three terms with $r^2,$ group them in the following way:

$2r^2 + 3s^3 - r^2 + 4t^2 - r^2=2r^2-r^2-r^2+3s^3+4t^2=(2r^2-r^2-r^2)+3s^3+4t^2=$

$=r^2(2-1-1)+3s^3+4t^2=3s^3+4t^2.$

Then substitute s=-3 and t=5:

$3s^3+4t^2=3\cdot (-3)^3+4\cdot 5^2=3\cdot (-27)+4\cdot 25=-81+100=19.$

Answer: 19.

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3 years ago

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Can u please help me with this question

zaharov [31]

Answer:

its the big clix

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3 years ago

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