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inysia [295]
3 years ago
8

Use the Distributive Property to simplify the following expression: [7 + (−2)]⋅(−3)

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0
D. 12 hope this help
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A swimming pool is to be drained. The pool is shaped like a rectangular prism with length 30 ft, width 18 ft, and depth 4 ft. Su
Licemer1 [7]

Answer:

10 hours (I am not positive)

Step-by-step explanation:

We first want to find the volume of pool which is 30 x 18 x 4 = 2160.

Then you are going to divide by 216 to find how many hours it takes to drain the whole pool. (I'm not that big of an expert)

4 0
3 years ago
Help please :]<br> 6x-2 = 8x+11
slavikrds [6]

Step-by-step explanation:

  • 6x-2=8x+11
  • 6x-8x=11+2
  • -2x=13
  • x=13/-2
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6 0
2 years ago
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for every 300 kids in high school 2/3 of them take a language. What is the value of a number of students who dont take a languag
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All you have to do is divide 300 hundred by 3 and you get 100 students that don’t take a language So 200 students take language and 100 students don’t take language
3 0
3 years ago
Does 28,53,45 make a right triangle
Arada [10]

Answer:

yesh it does

Step-by-step explanation:

7 0
3 years ago
Which of the following sets of values correctly completes the t-chart for the equation y = 2x2 - 1.
natali 33 [55]

Answer:

The sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

Step-by-step explanation:

Given the equation

y = 2x² - 1

FOR x = -2

substitute x = -2 in the equation

y = 2x² - 1

y = 2(-2)² - 1

y = 8 - 1

y = 7

FOR x = 0

substitute x = 0 in the equation

y = 2x² - 1

y = 2(0)² - 1

y = -1

FOR x = 2

substitute x = 2 in the equation

y = 2x² - 1

y = 2(2)² - 1

y = 8 - 1

y = 7

Thus, the t-chart becomes:

x              y

-2            7

0             -1

2              7

Thus, the sets of values that correctly completes the t-chart are:

7, -1, 7

Hence, option B is true.

7 0
3 years ago
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