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abruzzese [7]
2 years ago
7

I think of a number, multiply it by 5, subtract 2, subtract the original number, and then halve it. If the starting number was x

, give an expression for the final answer, as simply as possibly.
Mathematics
1 answer:
RUDIKE [14]2 years ago
4 0

Answer:

Step-by-step explanation:

Let the number be x

the first expression is 5x

Then subtract 2. You get 5x - 1

Subtract the original number 5x - 1 - x = 4x - 1

Answer: 4x - 1

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The difference of a number multiplied by 2 tens and 3 sevens is 119. What is the number?
Elan Coil [88]

Your question is not clearly stated. Do you mean the difference between 10 * 10 * x, and 7 * 7 * 7 *x ? Then the number is x = 119/243. That's about 0.48971... in decimal form.


It's confusing when you say the "difference of a number". Differences are BETWEEN two numbers. See what I mean?

4 0
3 years ago
What is the factored form of 30x2 - 25x -30?
Setler79 [48]

Answer:

Step-by-step explanation:

Here are some steps to help you

Step 1

30x2 - 25x -30  Factoring

Step 2

30x2 - 25x -30  factor out the equation

5(3x+2)(2x-3)

Step 3

5(3x+2)(2x-3)  Check by simplifying

When you check, you will get the question back

Answer

5(3x+2)(2x-3)

Hope this helps

6 0
3 years ago
Geometry math question no Guessing and Please show work
yawa3891 [41]
A

So, first we look at the equations
y= (x+3)^2+4 changes to
y= (x+1)^2+ 6

So, the first one is saying that we start at (-3,4)
(since when in the parentheses, it's opposite) and the second one is saying start at (-1,6), so it moved on the x-axis 2 units to the right and on the y-axis, it moved 2 units up
4 0
3 years ago
Read 2 more answers
3x + x- 2x + 8 = 3x + x
Arada [10]

Answer:

x=4

Step-by-step explanation:

3x+x - 2x + 8= 3x + x

4x- 2x +8 = 4x

2x + 8= 4x

8= 2x

x=4

5 0
3 years ago
Your school's drama club charges $4 per student for admission to Our Town. The club borrowed $400 from parents to pay for costum
inna [77]

Answer:

125 students attend.

Step-by-step explanation:

We already know that the drama club made $500 (500 - 400 = 100)

divide 500 by 4 to find out how many students attend the play, and paid $4

500 ÷ 4 = 125

125 students attend.

6 0
3 years ago
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