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3 years ago

Harold wants to get at a grade of 70 to 75 in his math class. His grade will be the average

Mathematics

1 answer:

ratelena [41]3 years ago

3 0

Answer:

132

cause you need to multiple by one thousand to get your ans2er

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What is the volume of a rectangular prism whose length is 2x+1 units, width is x-2 units, and whose height is 3x units?

Helen [10]

Answer:

V = 6x^3 - 9x^2 - 6x (which matches the third answer choice)

Step-by-step explanation:

The volume of a rectangular prism of length L, depth W and height H is

V = L * W * H.

Thus,

in this case,

V = (2x + 1)(x - 2)(3x).

The order in which we multiply these quantities together is immaterial.

Working from left to right, we get:

V = (2x^2 - 3x - 2)(3x), and then:

V = 6x^3 - 9x^2 - 6x (which matches the third answer choice)

4 0

3 years ago

Combine the like terms to make a simpler expression:<br><br> 8r +7 -6r - 5 =

baherus [9]

8r and -6r are like terms. What is 8r-6r?

5 0

3 years ago

Read 2 more answers

Please help meeeeeeeeeeeeeeeee

S_A_V [24]

Answer:

1436.8 in³

Step-by-step explanation:

Volume of sphere = (4/3)πr³

r = 7

---> (4/3)π(7)³ = 1436.8 in³

Have a great day :)

5 0

3 years ago

Read 2 more answers

A bean plant grows at a constant rate for month. After 10 days, the plant is

IrinaVladis [17]

Answer:

D or y-25=2(x-10)

Step-by-step explanation:

If you graph all or the answers the only one that hits both points is D.

7 0

3 years ago

X-5For the function g(x) =solve the following inequality.7X+7g(x) > 0

iren2701 [21]

$g(x)=\frac{x-5}{x+7}$

We need to find the points x where

$\frac{x-5}{x+7}>0$

This can only happens if both, the numerator and the denominator have the same sign, that is

$\begin{gathered} x-5>0 \\ x>5 \\ \text{and} \\ x+7>0 \\ x>-7 \end{gathered}$

$\begin{gathered} x-5$

The first pair of inequalities leads to the set

$(5,\infty)\cap(-7,\infty)=(5,\infty)$

and the second

$(-\infty,5)\cap(-\infty,-7)=(-\infty,7)$

Then, the answer is

$(-\infty,-7)\cup(5,\infty)$

7 0

2 years ago