2 years ago

3.4 min/hr = x ft/sec

Mathematics

1 answer:

Natalija [7]2 years ago

3 0

3,4*60/1 =204s
60s
1min

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3 years ago

In a chemical change, the identity of matter blank does not change

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In a chemical change, matter is neither created nor destroyed. A combination of two or more substances in which the basic identity of each substance is not changed.

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2 years ago

If one-third of a number, x, is greater than five less than twice the number, which of the following is true?

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2 years ago

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Goshia [24]

Answer:

48 degrees

Step-by-step explanation:

<u>1) Solve for x</u>

Complementary angles add up to 90 degrees. Therefore, m<A + m<B is equal to 90:

$A+B=90\\(2x+20)+(3x)=90$

Open up the parentheses

$2x+20+3x=90\\5x+20=90$

Subtract 20 from both sides

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Divide both sides by 5

$\frac{5x}{5} =\frac{70}{5} \\x=14$

Therefore, x is equal to 14.

<u>2) Determine angle A</u>

$A=2x+20$

Substitute x with 14

$A=2(14)+20\\A=28+20\\A=48$

Therefore, the measure of angle A in degrees is 48 degrees.

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2 years ago

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Bogdan [553]

Answer:

135°

Step-by-step explanation:

Since there are a pair of parallel lines, then

∠3 = ∠1 = 135° ( corresponding angles are congruent )

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