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aev [14]
3 years ago
5

Pls help w this question !! Determine the value of 2r² + r + 1 when: r= -0.2

Mathematics
2 answers:
AleksAgata [21]3 years ago
8 0
Its 0.4 is the answer it’s 0.4
Elena-2011 [213]3 years ago
3 0

Answer:

0.4

Step-by-step explanation:

2 x (-0.2) + (-0.2) + 1

- 0.4 - 0.2 + 1

-0.6 + 1

= 0.4

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A particular model rocket kit uses the scale 1:144. The actual rocket is 168 ft tall. How tall will the model rocket be when com
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1.16ft tall.

Step-by-step explanation:

168/144= 1.16 ft tall

or rounded to the nearest number = 1.20 ft.

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2 years ago
Which best describes the clusters in the data set? Number of Fish in Each Tank at the Pet Store A dot plot going from 10 to 15.
melamori03 [73]

Answer:

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Step-by-step explanation:

I took the test and it is right because there are 2 chunks of dots in two spots

8 0
3 years ago
Read 2 more answers
Please help ASAP.......
marta [7]

Answer:

The answer is x=10

Step-by-step explanation:

5/6x - 10 = 1/3x -5 multiple both sides by 6

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x = 10

3 0
3 years ago
Identify the sequences that have a common difference of 4
cluponka [151]

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IDK

Step-by-step explanation:

7 0
3 years ago
For a moving object,When. The force acting on the object varies directly with the object's acceleration. When a force of 64 N ac
Tems11 [23]

Answer:

72 N

Step-by-step explanation:

From the question.

Force is directly proportional to acceleration, with the mass of the object constant.

F α a

F = ka

F₁/a₁ = F₂/a₂....................... Equation 1

Where F₁ = Initial force, a₁ = initial acceleration. F₂ = final force, a₂ = Final acceleration.

make F₂ the subject of the equation

F₂ = (F₁/a₁)a₂................ Equation 2

Given; F₁ = 64 N, a₁ = 8 m/s², a₂ = 9 m/s²

Substitute these values into equation 2

F₂ = (64/8)(9)

F₂ = 72 N

5 0
3 years ago
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