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3 years ago

9x^3-16x factor using the GCF as the first term

Mathematics

1 answer:

kirill115 [55]3 years ago

4 0

X is the gcf so:

this is the maximum you can factor that too:

$\sf{x(9x^2-16)}$

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20 points! Part B: Scarlett made a profit of $250.00 with her mobile car wash company. She charged $75.00 per car wash and recei

nikdorinn [45]

Answer:

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Step-by-step explanation:

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5 0

3 years ago

An evergreen nursery usually sells a certain shrub after 7 years of growth and shaping. The growth rate during those 7 years is

neonofarm [45]

Answer:

(a) $h(t)=\frac{1.3t^2}{2} + 2t +17$

(b)62.85cm

Step-by-step explanation:

The growth rate of the shrub is given as:

$\frac{dh}{dt} = 1.3t + 2$

Where t=time in years, h=height in centimeters

(a)First, we solve for the height h(t) by integrating.

$\int \frac{dh}{dt} dt= \int (1.3t + 2)dt\\h(t)=\frac{1.3t^2}{2} + 2t +C, $ C a constant of Integration$\\$We sunstitute the initial value to find the value of C$\\$When t=0, h=17cm$\\17=C\\Therefore:\\h(t)=\frac{1.3t^2}{2} + 2t +17$

(b)The shrub are sold after 7 years of growth. Therefore, we determine the value of h(t) when t=7 years.

$h(t)=\frac{1.3t^2}{2} + 2t +17\\h(7)=\frac{1.3*7^2}{2} + 2(7) +17\\=31.85+14+17\\h(7)=62.85cm$

The Shrubs are 62.85cm tall when they are sold.

4 0

3 years ago

Follow the steps and finish the solution. 7 (x minus 3) = 28 Distributive property: 7 x minus 21 = 28. Addition property of equa

Nookie1986 [14]

Answer:

Step-by-step explanation:

7(x - 3) = 28 Given

7x - 21 = 28 Distributive property

7x - 21 + 21 = 28 + 21 Addition property of equality

7x = 49 Division Property of equality

7x/7=49/7

x = 7

6 0

4 years ago

Read 2 more answers

Does anyone know the answer??? i’ll mark brainlist

MissTica

I think it might be C?
Sorry if I got it wrong

6 0

3 years ago

Read 2 more answers

Damon drove 120 miles on 2 hours and Ashley drove 135 miles in 2.3 hours. Ashley insist that she was traveling at a faster rate

Wittaler [7]

Answer:

She is not correct

Step-by-step explanation:

distance = rate x speed

Damon:

120 = 2r

r = 60 miles per hour

Ashley:

135 = 2.3r

r = 58.7 miles per hour

8 0

3 years ago