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Ksju [112]
3 years ago
8

Simplify: 4 - 5.2 + 6 + 7.9 - 8

Mathematics
1 answer:
eimsori [14]3 years ago
3 0

3.9x+0.8y is the answer to your question.

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The perimeter of a triangle is 84m. the longest side of the triangle is 7m less than twice the length of the shortest side, x. t
Masja [62]
Side1 + side2 + side 3 = 84

side1 is the shortest side, and its length is x.
side2 is the middle side, and its length is x + 7
side3 is the longest side, and its length is 2x - 7

x + x + 7 + 2x - 7 = 84

4x = 84

x = 21

side1 = x = 21
side2 = x + 7 = 21 + 7 = 28
side3 = 2x - 7 = 2(21) - 7 = 42 - 7 = 35

The length of the sides are 21 m, 28 m, and 35 m.
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3 years ago
What is the volume of the prism?
lana66690 [7]

Answer:

7 1/2

Step-by-step explanation:

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3 years ago
PLEASE HELP I WILL MARK YOU BRAINLIEST
Kruka [31]

Answer:

6 IN OUNCES 170 IN GRAMS

Step-by-step explanation:

8 0
3 years ago
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Michelle is scuba diving. Her position changes from -2.1m to -38.6m in 6 1/4 min. What is the average change in Michelle's posit
tankabanditka [31]

Answer: 5.824 m / min

Step-by-step explanation:

Change in position = -2.1m to -38.6m

Distance = |-38.6 m - (-2.1m) |

=|-36.5| m

= 36.5 m

Time = 6\dfrac14\ min=\dfrac{6\times4+1}{4}\ min

=\dfrac{25}{4}\ min

The average change in Michelle's position each minute = \dfrac{36.5}{\dfrac{25}{4}}\text{ m/min}

=\dfrac{36.4\times4}{25}\text{ m/min}\\\\= 5.824\text{ m/min}

Hence, the average change in Michelle's position each minute = 5.824 m / min

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3 years ago
Please help. This is a question on my final exam.
mel-nik [20]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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