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3 years ago

What's the answer to this problem? 13-2(4m+8)+3m

Mathematics

2 answers:

meriva3 years ago

6 0

Distribute
13-8m-16+3m

Combine like terms
-8m+3m=-5m
13-16=-3

Final answer: The simplified form is -5m-3

murzikaleks [220]3 years ago

5 0

13 - 2(4m + 8) + 3m

Simplify.

13 + (-2 × 4m) + (-2 × 8) + 3m

Simplify.

13 + (-8m) + (-16) + 3m

Get rid of the parenthesis.

13 - 8m - 16 + 3m

Combine like terms.

(-8m + 3m) + (13 - 16)

Simplify.

-5m - 3

~Hope I helped!~

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3/8(2x-8/3x)=21 solve the equation for x

mart [117]

Answer:

$\boxed{\bold{x=-84}}$

Explanation:

Multiply Both Sides By 8:

= $\bold{8\cdot \frac{3}{8}\left(2x-\frac{8}{3}x\right)=21\cdot \:8}$

Simplify:

= $\bold{-2x=168}$

Divide Both Sides By -2:

= $\bold{\frac{-2x}{-2}=\frac{168}{-2}}$

Simplify:

= $\bold{x=-84}$

//Mordancy //.

7 0

2 years ago

Read 2 more answers

Find the mode of the data.

mixer [17]

The mode is a term that is repeated the most.
And the one which is the repeated is 30.

6 0

3 years ago

write an equation of the line that passes through the given point and has the given slope slope is -3 (-5, 4)

Paraphin [41]

point slope form of a line

y-y1 = m(x-x1)

y-4 = -3(x--5)

y-4 =-3(x+5)

to change to slope intercept form

dstribute

y-4 = -3x-15

add 4 to each side

y = -3x-15+4

y = -3x-11

3 0

2 years ago

What is the following simplified product? Assume x greater-than-or-equal-to 0

nlexa [21]

Answer:

$10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$

Step-by-step explanation:

Remove perfect squares from under the radicals.

$(\sqrt{10x^4}-x\sqrt{5x^2})(2\sqrt{15x^4}+\sqrt{3x^3})\\\\=(\sqrt{10x^4})(2\sqrt{15x^4}) +(\sqrt{10x^4})(\sqrt{3x^3}) -(x\sqrt{5x^2})(2\sqrt{15x^4}) -(x\sqrt{5x^2})(\sqrt{3x^3})\\\\=2\sqrt{150x^8}+\sqrt{30x^7}-2x\sqrt{75x^6}-x\sqrt{15x^5}\\\\=\boxed{10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}}$

_____

The applicable rules of exponents are ...

(x^a)(x^b) = x^(a+b)

√(a^2) = a . . . . . . . for a > 0

(√a)(√b) = √(ab)

5 0

2 years ago

Read 2 more answers

Write the converse of this statement.<br><br> If 3 - 2x = 13, then x = -5.

stiv31 [10]

Basically your just swapping there positions like so:
if x=-5, then 3-2x=13
Hope this helps! :)

5 0

3 years ago