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Sholpan [36]
3 years ago
9

Helpppp pleaseee

Mathematics
2 answers:
crimeas [40]3 years ago
7 0

Answer:

x> 1/6

Step-by-step explanation:

-2(8x – 4)< 2x + 5

Distribute

-16x +8 < 2x+5

Add 16x to each side

-16x +8+16x < 2x+16x+5

8 < 18x+5

Subtract 5 from each side

8-5 < 18x

3 < 18x

Divide each side by 18

3/18 < 18x/18

1/6 < x

serious [3.7K]3 years ago
7 0

Answer:

x >  \frac{1}{6}

First answer is correct.

Step-by-step explanation:

- 2(8 x - 4) < 2x + 5 \\  - 16x + 8 < 2x + 5 \\  - 16x - 2x <  - 8 + 5 \\  - 18x <  - 3 \\  \frac{ - 18x}{ - 18}  <  \frac{ - 3}{ - 18}  \\ x >  \frac{1}{6}

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Graph -5x-8y=40
Triss [41]

Answer:

Please, see the attached file.

Thanks.

Step-by-step explanation:

-5x-8y=40

This is a linear equation, and its graph is a right line, we only need two points, because by two points only goes trough only a right line:

1) For x=0→ -5(0)-8y=40

0-8y=40

-8y=40

Dividing both sides of the equation by -8:

-8y/(-8)=40/(-8)

y=-5

Point=(x,y)→Point=(0,-5)


2) For y=0→ -5x-8(0)=40

-5x-0=40

-5x=40

Dividing both sides of the equation by -5:

-5x/(-5)=40/(-5)

x=-8

Point=(x,y)→Point=(-8,0)


With these two points (0,-5) and (-8,0) we can draw the right line.



8 0
3 years ago
Solve for u.<br> 36 – 9u = 27
strojnjashka [21]

Answer:

u = 1

Step-by-step explanation:

First, we can use inverse operations to help.

27 + 9u = 36

Next, we can start replacing u with numbers to find which number fits in u.

27 + 9(1) = 36

27 + 9(2) ≠ 36

27 + 9(3) ≠ 36

Now, we know that u = 1

8 0
3 years ago
How many shirts do I have if have a ratio of 2 to 7 with ten pairs of pants
tiny-mole [99]
2/7 = x/10
cross multiply:
10 * 2 = 20
7 * x = 7x

7x = 20
x = 2.857
3 0
2 years ago
X is less than nine ​
SVETLANKA909090 [29]

Answer:

x < 9

Step-by-step explanation:

x is less than nine

x < 9

4 0
3 years ago
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You would be in DEBT if you owe money to anybody.
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