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Verizon [17]
4 years ago
9

Which expression is equivalent to 2(x + 5) + 5x?a)2x + 10b)7x + 5c)7x + 10D)10x + 5​

Mathematics
2 answers:
White raven [17]4 years ago
8 0

Answer:

C. 7x+10

Step-by-step explanation:

First, distribute the 2

2(x+5) +5x

2*x+2*5 +5x

2x+10+5x

Combine like terms

2x+5x+10

7x+10

So, C is the correct answer

Hope this helps! :)

AnnyKZ [126]4 years ago
8 0

Answer:

Option C

Step-by-step explanation:

2(x + 5) + 5x = 2x + 10 + 5x

= 7x + 10

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the right answer is one solution

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4 years ago
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Please help I'm really bad at logorithms.
Gnom [1K]
Sorry to hear that you already took the test. Here is how to do the problem:

2ˣ = 128               
Let's take log base 10 of both sides.
For simplicity, we'll just use the symbol log to mean log₁₀

log (2ˣ) = log (128)                   Remember that log(yˣ) = x log(y)
x log (2) = log (128)                 Divide both sides by log(2) to get x by itself
x = log (128) ÷ log (2)
3 0
3 years ago
The sides of an equilateral triangle are all 8 units long. What is the length of the triangle’s altitude?
True [87]

Answer:

B or 4\sqrt[]{3}

Step-by-step explanation:

I could be wrong as I'm very new to this math but I believe its 4\sqrt{3}

5 0
2 years ago
I'M OFFERING 20 POINTS AND BRAINLIEST ANSWER FOR HELP
Hoochie [10]
1$ is 100cents
45$ is 4500 cent
THE ORIGINAL price is $53
if 85% = $45
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6 0
3 years ago
Which point would be a solution to the system of linear inequalities shown below? y>4 x-5\hspace{50px}y\ge\frac{3}{5} x-1 y&g
Sauron [17]

Answer:

x < \frac{20}{17} and y \ge \frac{-5}{17}

Step-by-step explanation:

Given

y>4 x-5\hspace{50px}y\ge\frac{3}{5} x-1

Required

Find x and y

In the second equation. Assume that:

y = \frac{3}{5}x - 1\\

Substitute y = \frac{3}{5}x - 1 in the first equation

y > 4x - 5

\frac{3}{5}x - 1 > 4x - 5

Collect like terms

\frac{3}{5}x - 4x >  - 5 + 1

\frac{3}{5}x - 4x >  -4

Multiply through by 5

3x - 20x > -20

-17x > -20

Solve for x

x < \frac{20}{17}

Substitute this value of x in y \ge \frac{3}{5}x - 1

y \ge \frac{3}{5}*\frac{20}{17} - 1

y \ge \frac{3}{1}*\frac{4}{17} - 1

y \ge \frac{12}{17} - 1

y \ge \frac{12- 17}{17}

y \ge \frac{-5}{17}

3 0
3 years ago
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