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saw5 [17]
3 years ago
5

Please please help me

Mathematics
2 answers:
Inessa05 [86]3 years ago
7 0
X= 78
X= 42
Im not sure
Phantasy [73]3 years ago
7 0

Answer:

Step-by-step explanation:

1]Add 6 to both sides.

x/3=20+6

2] x/3=26

3]Multiply both sides by 3.

 x= 26*3

 x= 78

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Solve for x ! problems attached please help!!
vampirchik [111]

Answer:

7. x\le 8

8. x\le 1.7

9. -0.2\le x\le 2

10. 3< x\le 4

Step-by-step explanation:

7. Solve for x:

4x+7-x\le 31

Separate variable and numbers into different sides of inequality:

4x-x\le 31-7\\ \\3x\le 24

Divide the inequality by 3:

x\le 8

8. Solve for x:

2(x-3)+8x\le 11

Eliminate the brackets:

2x-6+8x\le 11

Separate variable and numbers into different sides of inequality:

2x+8x\le 11+6\\ \\10x\le 17

Divide the inequality by 10:

x\le 1.7

9. Solve for x:

-7x\le 3x+2\le 8

Solve two inequalities -7x\le 3x+2 and 3x+2\le 8 separately:

-7x\le 3x+2\\ \\3x+2\ge -7x\\ \\3x+7x\ge -2\\ \\10x\ge -2\\ \\x\ge -0.2

and

3x+2\le 8\\ \\3x\le 8-2\\ \\3x\le 6\\ \\x\le 2

So,

-0.2\le x\le 2

10. Solve for x:

8

Add 1:

8+1

Divide by 3:

3< x\le 4

6 0
3 years ago
Read 2 more answers
What -2x(2-6=30)^3 - 4
BlackZzzverrR [31]
I think the answer to 2×(2-6=30)×3-4 is 176
6 0
4 years ago
Larry and Donna bought a sofa at the sale price of $1,536. The original price of the sofa was $1,920.
ollegr [7]

Answer: $384

Step-by-step explanation:

1000- 1000=0

900-500=400

20-36=-16

400+-16=384

4 0
4 years ago
Find the 64th term of the arithmetic sequence
Margaret [11]

Answer:

The 64th term of the arithmetic sequence is -1075.

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms, called common difference, is always the same.

The nth term of an arithmetic sequence is given by:

a_n = a_1 + (n-1)d

In which a_1 is the first term.

−4,−21,−38

First term -4, so a_1 = -4

Common difference of d = -38 - (-21) = -21 - (-4) = -17

Thus

a_n = a_1 + (n-1)d

a_n = -4 - 17(n-1)

Find the 64th term of the arithmetic sequence

This is a_{64}. So

a_n = -4 - 17(n-1)

a_{64} = -4 - 17(64-1) = -4 - 1071 = -1075

The 64th term of the arithmetic sequence is -1075.

8 0
3 years ago
There are approximately 3.7 million deaths per year in country A. Express this quantity as deaths per minute.
kakasveta [241]
(3700000deaths/y)(y/365d)(d/24hr)(hr/60min)≈7.04 deaths/min


6 0
4 years ago
Read 2 more answers
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