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3 years ago

I don't understand this kind of math and need help

Mathematics

1 answer:

raketka [301]3 years ago

4 0

The answer is c all you have to do is plug a number from the x of the chart and plug into one of the x in the answer choices and when you solve for it the answer should give you f(x) answer

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Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21

lawyer [7]

Answer:

$7y = 56$

Step-by-step explanation:

$3(y - 1) = 21$

Divide 3 on both sides:

$y - 1 = 7$

Add 1 to both sides:

$y = 8$

Multiply by 7 on both sides:

$7y = 56$

8 0

3 years ago

The temperature of a city changed by -20°C over a four week. If the temperature changed by the same amount each week write an ex

andre [41]

Answer:

A) $T=\frac{-20}{4}$

B) T = -5 °C

Step-by-step explanation:

A) Let T be the change in temperature of the week. T is determined as the total temperature change (-20°C) divided by the number of weeks that have passed (4 weeks). The expression is:

$T=\frac{-20}{4}$

B) In order to simplify the expression, simply perform the division.

$T=\frac{-20}{4}\\T=-5^oC$

This means that the temperature has dropped by 5 degrees each week.

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3 years ago

Miss Hamel and Miss Nelli spent the same amount of money at Target on Black Friday. Miss Hamel bought an $88 bike to donate for

Sauron [17]

Answer:

Step-by-step explanation:

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2 years ago

Identify each figure in as many ways as possible

sattari [20]

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3 years ago

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mina [271]

Answer:

Step-by-step explanation:

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