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Bond [772]
3 years ago
9

Solve each equation check your solution 49=-7(t+1)

Mathematics
2 answers:
enyata [817]3 years ago
5 0
49 = -7 (t + 1)
49 = -7t + 7
-7 -7
42 = -7t
÷ -7 ÷ -7
-6 = t

t = -7
Andru [333]3 years ago
4 0

Answer:

It's T=-8

Step-by-step explanation:

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(Distribute , then simplify the remaining expression. Final answer must be in standard form) Please help !!
Sergeu [11.5K]
Problem 22
4x^2(2x^2+x-5) - x(x^3+5x^2-3) + 17
4x^2(2x^2)+4x^2(x)+4x^2(-5) - x(x^3)-x(5x^2)-x(-3) + 17
8x^4+4x^3-20x^2 - x^4-5x^3+3x + 17
7x^4-x^3-20x^2+3x + 17

So the final simplified answer to problem 22 is
7x^4-x^3-20x^2+3x + 17

--------------------------------

Problem 23
-2x(x^3-6x^2+6)+4x^3-(5x^4+10x)
-2x(x^3)-2x(-6x^2)-2x(6)+4x^3-(5x^4)-(10x)
-2x^4+12x^3-12x+4x^3-5x^4-10x
-7x^4+16x^3-22x

So problem 23 simplifies to
-7x^4+16x^3-22x

---------------------------------------------------------

Problem 24
4b[2a^2-5(3ab-2b^2)]+29ab^2
4b[2a^2-5(3ab)-5(-2b^2)]+29ab^2
4b[2a^2-15ab+10b^2]+29ab^2
4b[2a^2]+4b[-15ab]+4b[10b^2]+29ab^2
8a^2b-60ab^2+40b^3+29ab^2
8a^2b-31ab^2+40b^3

So problem 24 simplifies to 
8a^2b-31ab^2+40b^3

-------------------------------------------------

Problem 25
2y(6x-4x^2y)+13x^2y^2-6
2y(6x)+2y(-4x^2y)+13x^2y^2-6
12xy-8x^2y^2+13x^2y^2-6
12xy+5x^2y^2-6

The final answer for problem 25 is
12xy+5x^2y^2-6
8 0
4 years ago
Solve for x. 25 - 3x = -5(1 - x) - 2x
grandymaker [24]

Answer:

x = 5

Step-by-step explanation:

25 - 3x = -5(1 - x) - 2x

<u></u>

<u>We have to first get rid of the parenthesis:</u>

-5 * 1  ==>  -5

-5 * -x  ==>  5x

<u>So now you should have:</u>

25 - 3x = -5 + 5x - 2x

<u>Combine like terms:</u>

25 - 3x = -5 + 5x - 2x

25 - 3x = -5 + 3x

<u>Add 3x to both sides:</u>

25 - 3x  =  -5 + 3x

    + 3x  =      + 3x

<u>And you should have:</u>

25 = -5 + 6x

<u></u>

<u>Add 5 to both sides:</u>

25 = -5 + 6x

+5 = +5

30 = 6x

<u>Divide 6 to both sides:</u>

\frac{30}{6}     =      \frac{6x}{6}

5 = x

3 0
3 years ago
Read 2 more answers
Is 20 the solution 20*7-6x=106
oee [108]

Answer:

no

Step-by-step explanation:

the answer is 5.6 repeating

4 0
3 years ago
Emma jogs 2 miles along the beach in
Juli2301 [7.4K]

Answer:

<h3><u>3 times the time --> 3 times the distance</u></h3>

Step-by-step explanation:

Emma jogs 2 miles along the beach in 1/3 of an hour. If she travels at a constant rate, how far will she jog in an hour?

6 0
3 years ago
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A golf ball is struck by a​ 60-degree golf club at an initial velocity of 9898 feet per second. The height of the golf ball in f
kupik [55]
Hello,
Please, see the attached file.
Thanks.

7 0
3 years ago
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