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3 years ago

9|r-2|-10<-73 any one can solve

Mathematics

1 answer:

serg [7]3 years ago

6 0

Answer:

-65/9 < r < 101/9

Step-by-step explanation:

Solved with absolute value inequality.

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Find the product. (-2x^2 )^3 ·3 x

jeka94

Assignment: $\bold{Solve \ \left(-2x^2\right)^3\cdot \:3x}$

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Answer: $\boxed{\bold{-24x^7}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Rewrite $\bold{\left(-2x^2\right)^3}$

$\bold{-2^3\left(x^2\right)^3}$

[ Step Two ] Rewrite Equation

$\bold{-2^3\cdot \:3x^6x}$

[ Step Three ] Apply Exponent Rule

Note: $\bold{Exponent \ Rule \ \:a^b\cdot \:a^c=a^{b+c}: \ x^6x=\:x^{6+1}=\:x^7}$

$\bold{-2^3\cdot \:3x^7}$

[ Step Four ] Refine

$\bold{-24x^7}$

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4 0

3 years ago

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WHATS THE FRACTION FOR 6 DOLLARS AND 14 CENTS

Jet001 [13]

Answer:

$6\frac{14}{100}$

Step-by-step explanation:

First, you make fourteen a fraction.

$\frac{14}{100}$

Then, make it a mixed fraction by adding a six.

$6\frac{14}{100}$

Lastly, have a great day! :)

3 0

3 years ago

The expression which correctly shows the area of the rectangle is

Lapatulllka [165]

A = W*L or Area = Width x Length

3 0

3 years ago

It takes leon 13 hours to seal his driveway working by hinself. If michael helps leon, they can seal the driveway in 7 hours. Ho

Monica [59]

Answer:

15.1667 hours (15 hours and 10 minutes)

Step-by-step explanation:

Using the concept of "distance = speed * time", we can formulate equations to solve this problem.

Let's call Leon's speed X, Michael's speed Y and the length of the driveway D.

If leon takes 13 hours alone, we can write the equation:

D = X * 13

If Michael helps Leon, we have this equation:

D = (X+Y) * 7

(The total speed is the sum of their speed, as they are working together)

Making the first equation equate the second, we have:

13*X = 7*X + 7*Y

7*Y = 6*X

X = (7/6)*Y

If we use this value of X in the first equation, we have:

D = 13*X = 13*(7/6)*Y = 15.1667*Y

So we have that Michael would take 15.1667 hours (15 hours and 10 minutes) to seal the driveway alone.

4 0

3 years ago

Which graph shows the solution to this inequality? 3r+2(12r+7) ≤ 5r-8<br>

Ilya [14]

Answer:

r ≥ -1. it is A because r is greater than or equal to -1.

I am sorry <u>if</u> I got it wrong.

Step-by-step explanation:

3r+2(12r+7) ≤ 5r-8

27r+14 ≤ 5r-8

I subtract 27r and 5r.

22r+14 ≤ -8

I subtract 14 and -8.

22r ≤ -22

Divide 22 on both side.

r ≥ -1

5 0

3 years ago

Read 2 more answers