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4 years ago

Choose the correct values for A, B, C, and D that align like terms to find the sum vertically.

Mathematics

2 answers:

disa [49]4 years ago

6 0

Answer:

b : A=0t^3 B=(-0.6t^2) C=18t D=(-8) on edg.

Step-by-step explanation:

Bas_tet [7]4 years ago

3 0

Answer:

its B. A = 0t3 B = (–0.6t2) C = 18t D = (–8)

the next answer is D. 1.3^3 - 0.2t^2 - 6t - 8

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Answer:

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Step-by-step explanation:

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3 years ago

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Sedaia [141]

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4 years ago

1)Sheyna drive to the lake and back. It took two hours less time to get there than it did to get back. The average speed on the

ipn [44]

Answer:

8 hours

Step-by-step explanation:

Given:

Sheyna drives to the lake with average speed of 60 mph and

$v_1 = 60\ mph$

Sheyna drives back from the lake with average speed of 36 mph

$v_2 = 36\ mph$

It took 2 hours less time to get there than it did to get back.

Let $t_1$ be the time taken to drive to lake.

Let $t_2$ be the time taken to drive back from lake.

$t_2-t_1 = 2$ hrs ..... (1)

To find:

Total time taken = ?

$t_1+t_2 = ?$

Solution:

Let D be the distance to lake.

Formula for time is given as:

$Time =\dfrac{Distance}{Speed }$

$t_1 = \dfrac{D}{60}\ hrs$

$t_2 = \dfrac{D}{36}\ hrs$

Putting in equation (1):

$\dfrac{D}{36}-\dfrac{D}{60} = 2\\\Rightarrow \dfrac{5D-3D}{180} = 2\\\Rightarrow \dfrac{2D}{180} = 2\\\Rightarrow D = 180\ miles$

So,

$t_1 = \dfrac{180}{60}\ hrs = 3 \ hrs$

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So, the answer is:

$t_1+t_2 = \bold{8\ hrs}$

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3 years ago

Plz help me. Im stuck on this question

vladimir1956 [14]

Answer:

4b + 10c= T

Step-by-step explanation:

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4 years ago