2 years ago

Is the given answer a reasonable solution to the problem? 7.92 • 10.21 = 808.632

Mathematics

1 answer:

azamat2 years ago

3 0

Yea its is reasonable. Hope i helped :)

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If (m+n)^2=m^2+n^2, what is (3^m)^n?

svp [43]

Answer:

$(3^m)^n=1$

Step-by-step explanation:

$(m+n)^2=m^2+n^2\\m^2+2mn+n^2=m^2+n^2\\(m^2+n^2)-(m^2+n^2)+2mn=0\\2mn=0\\This\ equation\ has\ two\ solutions\ : m=0,n=0\\\\But\ either\ way\ will\ result\ in\ the\ same\ answer.\\If\ m=0\ then,\\(3^0)^n\\=1^n\\=1\\\\If\ n=0 \ then,\\(3^m)^0\\=1$

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Nolan's car used 2 gallons to travel 50 miles. How far can he travel on 3 gallons?

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Step-by-step explanation:

50 / 2 = 25 miles per gallon

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2 years ago

4x − 1 < 11 solve for x

kvv77 [185]

Answer:

$\huge \boxed{x < 3}$

Step-by-step explanation:

4x - 1 < 11

Add 1 on both sides.

4x - 1 + 1 < 11 + 1

4x < 12

Divide both sides by 4.

(4x)/4 < 12/4

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3 years ago

F(x) = 11x³ - 6x² + x + 3

anzhelika [568]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

The school store sells erasers for $0.35 each and pencils for $0.15 each. Anthony spent $2.80 to buy a total of 12 erasers and p

Sergio039 [100]

Answer:

5 erasers.

Step-by-step explanation:

0.35e + 0.15p = 2.80

e + p = 12

e = 12 - p

0.35(12 - p) + 0.15p = 2.80

4.2 - 0.35p + 0.15p = 2.80

4.2 - 0.2p = 2.80

-0.2p = -1.4

-0.2p/-0.2p = -1.4/-0.2

p = 7

e = 12 - 7

e = 5

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2 years ago