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2 years ago

8. Marvin's son is 3 ft tall. He casts a shadow of 1 foot. Marvin cast a

Mathematics

2 answers:

taurus [48]2 years ago

7 0

Answer:

C. 6 ft

Step-by-step explanation:

If Marvin's son is 3 feet tall with a 1 foot shadow, Marvin would be 6 feet tall with a 2 foot shadow.

Molodets [167]2 years ago

7 0

6 feet because I saw it in the test and 3 x2 is 5p6

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As an estimation we are told £3 is 4 euro.Convert £13.50 to euros

bixtya [17]

Answer:

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Step-by-step explanation:

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3 years ago

Solve - pv + 40 < 65 for v<br> solve 7w - 3r = 15 for r

Katarina [22]

Answer:

v > -25/p

r = -5 +7/3 w

Step-by-step explanation:

- pv + 40 < 65

Subtract 40 from each side

- pv + 40-40 < 65-40

-pv < 25

Divide each side by -p (remember to flip the inequality since we are dividing by a negative)

-pv/-p > 25/-p

v > -25/p

7w - 3r = 15

Subtract 7w from each side

7w-7w - 3r = 15-7w

-3r = 15-7w

Divide by -3

-3r/-3 = (15-7w)/-3

r = -5 +7/3 w

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3 years ago

Is -2 a solution to 4x^(3)-x^(2)+16x-4

sergiy2304 [10]

Answer:

Not a solution

Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

$4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0$

$4(-8)-4-32-4\stackrel{?}{=}0$

$-32-40\stackrel{?}{=}0$

$-72\neq0$

Therefore, $x=-2$ is not a solution to $4x^3-x^2+16x-4$

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2 years ago

25 x 170 x 6.350<br> please help

m_a_m_a [10]

Answer:

26,987.5

Step-by-step explanation:

hope it's helpful to you ☺️

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2 years ago

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What is 985 + 700 + 75 + 10 + 200 - 110?

brilliants [131]

Answer: 1460

Step-by-step explanation: I put it in a calculator.

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2 years ago