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Harlamova29_29 [7]
2 years ago
9

Will mark brainless for first response!!!

Mathematics
1 answer:
ivann1987 [24]2 years ago
5 0
1. (2x + 1)(x - 7)
2. -x - 4
3. -31x -35
4. 57x + 112
5. (-x) (-x)
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How many days are there in 6 weeks? Solve the related word problem to represent the inverse operation There are days in 6 weeks
expeople1 [14]

Answer:

there a 42 days in 6 weeks

Step-by-step explanation:

multiply 6 x 7= 42

3 0
3 years ago
Can someone please explain how to do c i thank you
maksim [4K]

i) first you combine the like terms; 3x² and x², then 4x and -8x, then -7n and -1.

Then you would get 4x²-4x-8.

You then cannot simplify further. so your answer would be 4x²-4x-8.

4 0
3 years ago
Read 2 more answers
Which of the fallowing points are the solution to the equation 3x-4y-8=12. Chose all that apply (0,-5) (4,-2) (8,2) (-16,-17) (-
Virty [35]

Answer:

The solutions for the equation are:

(4,-2) and (-16,-17)

Step-by-step explanation:

Given equation:

3x-4y-8=12

Given points:

(0,-5), (4,-2), (8,2), (-16,-17), (-1,-8), (-40,-34)

We will check each point by plugging it in the given equation and see if it satisfies the equation or not.

(0,5)

3(0)-4(5)-8=12

0-20-8=12

-28=12

which is not true. Hence, not a solution.

(4,-2)

3(4)-4(-2)-8=12

12+8-8=12

12=12

which is true. Hence, it is a solution.

(8,2)

3(8)-4(2)-8=12

24-8-8=12

24-16=12

8=12

which is not true. Hence, not a solution.

(-16,-17)

3(-16)-4(-17)-8=12

-48+68-8=12

20-8=12

12=12

which is true. Hence, it is a solution.

(-1,-8)

3(-1)-4(-8)-8=12

-3+32-8=12

21=12

which is not true. Hence, not a solution.

(-40,-34)

3(-40)-4(-34)-8=12

-120+136-8=12

8=12

which is not true. Hence, not a solution.

6 0
3 years ago
Which of the following numbers could have been rounded to 23.5? Explain how
Naddika [18.5K]

Answer:

23.49

Step-by-step explanation:

5 0
2 years ago
2. Leandro trabaja en una panadería, el panadero principal le pidió que calculara a cuántos kilogramos equivale una medida de ha
IrinaVladis [17]
I don’t understand Spanish
7 0
3 years ago
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