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3 years ago

Find the sum. 13(9−6m)+14(12m−8) =

Mathematics

1 answer:

allochka39001 [22]3 years ago

7 0

Answer:

5+90m

Step-by-step explanation:

117 - 78m + 168m - 112

117- 112 = 5

-78m + 168m= 90m

5+90m

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2/3 x 21=? find the product then write it in simplest form.

Nadusha1986 [10]

The product of 2/3 X 21 is 14 and that is in simplest form

5 0

3 years ago

Use the equation d=z–9 to find the value of d when z=10. d=

denis23 [38]

Step-by-step explanation:

d = z - 9

d = 10 - 9 ----> substitute

d = 1

5 0

3 years ago

If a pool holds 22,000 gallons, how long will it take to fill the pool at a rate of 400 gallons per minute, rounded off to the n

nalin [4]

400x=22,000

22,000/400=x

55=x Hopefully this is right, and hopefully this helps

8 0

3 years ago

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Identify the x-intercepts of the function below f(x)=x^2+12x+24

damaskus [11]

ANSWER:

x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

SOLUTION:

Given, $f(x)=x^{2}+12 x+24$ -- eqn 1

x-intercepts of the function are the points where function touches the x-axis, which means they are zeroes of the function.

Now, let us find the zeroes using quadratic formula for f(x) = 0.

$X=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, for (1) a = 1, b= 12 and c = 24

$X=\frac{-(12) \pm \sqrt{(12)^{2}-4 \times 1 \times 24}}{2 \times 1}$

$\begin{array}{l}{X=\frac{-12 \pm \sqrt{144-96}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{48}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{16 \times 3}}{2}} \\\\ {X=\frac{-12 \pm 4 \sqrt{3}}{2}} \\ {X=\frac{2(-6+2 \sqrt{3})}{2}, \frac{2(-6-2 \sqrt{3})}{2}} \\\\ {X=(-6+2 \sqrt{3}),(-6-2 \sqrt{3})}\end{array}$

Hence the x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

8 0

3 years ago

1. 4x + 5 + 7y + 3x *

ddd [48]

Step-by-step explanation:

7y +7x +5 = > answer

hope this will be helpful to you.

plz mark my answer as brainlist plzzzz

4 0

3 years ago

Read 2 more answers