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Zina [86]
3 years ago
14

Which statement correctly describes the expression (-70)(-6)?

Mathematics
2 answers:
ddd [48]3 years ago
4 0
The answer is A because the factors are both negative
EastWind [94]3 years ago
3 0

Answer: the answer is letter A

Step-by-step explanation:

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when nancy started middle school, she was 60 inches tall. when she started high school, she was 66 inches tall. what was the per
Ivahew [28]

Answer:

The percent change in Nancy height is 10%

Step-by-step explanation:

Given : when Nancy started middle school, she was 60 inches tall. when she started high school, she was 66 inches tall.

We have to find the percent change in her height.

Percentage change is given by the ratio of the difference in old value and new value to the old value times 100

Mathematically written as

Percentage\ change =\frac{new\ value-old\ value}{Old\ value}\times 100

For the given data,

Old value = 60 inches

New value = 66 inches

Thus, the Percentage change is given as,

Percentage\ change =\frac{66-60}{60}\times 100

Simlify, we have,

Percentage\ change =\frac{6}{60}\times 100

Thus, The percent change in her height is 10%

7 0
3 years ago
Read 2 more answers
It would be a great help if someone could give me the answer to this.
guajiro [1.7K]
F(x) = 5x



Hope it helped
8 0
2 years ago
Write an equation of the line that passes through (18,2) and is parallel to the line 3y-x=-12 .
uysha [10]

Answer:

y = \frac{1}{3}x-4

Step-by-step explanation:

<u>Step 1:  Solve for y in the first equation</u>

3y - x = -12

3y - x + x = -12 + x

\frac{3y}{3} = \frac{x}{3} - \frac{12}{3}

y = \frac{1}{3}x - 4

<u>Step 2:  Determine the important aspects</u>

We know that our line is parallel to the other line that has a slope of 1/3 which means that our slope is also going to be 1/3.  We also know that our line crosses the point (18, 2) which means that we can use the point slope form to determine our equation

Point Slope Form → (y-y_1) = m(x - x_1)

<u>Step 3:  Plug in the information and solve</u>

(y-2) = \frac{1}{3}(x - 18)

y - 2 = \frac{1}{3}x - 6

y - 2 + 2 = \frac{1}{3}x - 6 + 2

y = \frac{1}{3}x-4

Answer: y = \frac{1}{3}x-4

7 0
2 years ago
Mini made a recipe that yields 4 and 1 over 2 cups. If each serving is 1 over 2 cup, which expression will help Mini determine t
Katarina [22]
4 and 1 over 2 <span> ÷ 1 over 2</span>
6 0
3 years ago
Read 2 more answers
30 pts. Harrison has 2500 kg of sand delivered to a construction site every day. About how many tons of sand does he have delive
Ymorist [56]

There are 7 days to a week, so 4 weeks = 4 * 7 = 28 days.

28 days x 2,500 kg per day = 70,000 total kgs.

Divide total kgs by kgs per ton:

70,000 total kgs / 907.2 kg per ton = 77.16 tons , round the answer to 77 tons.

6 0
3 years ago
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