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Fittoniya [83]
3 years ago
6

What is the solution to –2(8x – 4) < 2x + 5?

Mathematics
1 answer:
Alex3 years ago
4 0

Answer:

x > \frac{1}{6}

Step-by-step explanation:

Given

- 2 (8x - 4) < 2x + 5 ← distribute left side

- 16x + 8 < 2x + 5 ( subtract 2x from both sides )

- 18x + 8 < 5 ( subtract 8 from both sides )

- 18x < - 3

Divide both sides by - 18, reversing the symbol as a result of dividing by a negative quantity.

x > \frac{-3}{-18} , that is

x > \frac{1}{6}

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Write an equation and solve. Round to the nearest hundredth where necessary. What is 35% of 63?
Sphinxa [80]
The second one. Do the math. .35 x 63 = 22.05
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3 years ago
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What number is a factor of 16, and prime?
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2 x 8 = 16 (So it's a factor of 16)

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~PutarPotato
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Is x^2-8x+64 a perfect square trinomial
Ann [662]

Answer:

No, it is not.

Step-by-step explanation:

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4 0
3 years ago
Bob has two weekend jobs last weekend he made a total of $77 after working as a cashier for 5 hours and delivering newspapers fo
OlgaM077 [116]

Answer: $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.

Step-by-step explanation:

1. Let's call the amount he got paid per hour at his job as a cashier: x.

Let's call the amount he got paid per hour at his job delivering newspapers: y.

2. Keeping on mind the information given in the problem above, you can make the following system of equations:

\left \{ {{5x+4y=77 \atop {6x+3y=78}} \right.

3. You can solve it by applying the Substitution method, as following:

- Solve for one of the variables from one of the equations and substitute it into the other equation to solve for the other variable and calculate its value.

- Substitute the value obtained into one of the original equations to solve for the other variable and calculate its value.

 4. Therefore, you have:

5x+4y=77\\5x=77-4y\\x=\frac{77-4y}{5}=15.4-0.8y

Then:

6(15.4-0.8y)+3y=78\\92.4-4.8y+3=78\\-1.8y=-14.4\\y=8

Finally:

5x+4(8)=77\\5x+32=77\\5x=45\\x=9

Therefore he got paid $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.

5 0
3 years ago
What is the area of this figure?<br><br> Enter your answer in the box.<br><br> mm²
Rainbow [258]

Answer:

84mm^{2}

I think this is true

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3 years ago
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