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Colt1911 [192]
3 years ago
15

Tell whether the statement is True or False. 316x - 2) - 7 = 18x - 13

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
7 0

Answer:

True.

Step-by-step explanation:

Multiply 3 by 6x-2 and you get (18x-6). Subtract 7 from -6 gives you 13, which equals 18x-13.

user100 [1]3 years ago
5 0

Answer:

True

Step-by-step explanation:

You want to get the x's by themselves, so first you have to use the distributive property.

3 x 6x = 18x

3 x 2 = 6

So now the equation should look like

18x - 6 - 7 = 18x - 13

So now you have to get the x's by itself by adding or subtracting like terms.

- 6 - 7 = -13

18x - (-13) = 18x - 13

       + (-13)         + (-13)

-----------------------

18x = 18x

18/18     18/18

x = 1

Now plug the numbers in

3(6(1) - 2) - 7 = 18(1) - 13

5    =   5

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Hey can you please help me posted picture of question :)
otez555 [7]
Answer:
The solutions are -3 and -6

Explanation:
First we would need to put the equation in standard form which is:
ax² + bx + c = 0
This can be done as follows:
x² + 18 = -9x
x² + 9x + 18 = 0
By comparison, we would find that:
a = 1
b = 9
c = 18

Now, to get the roots, we would use the quadratic formula shown in the attached image.

By substitution, we would find that:
either x = \frac{-9+ \sqrt{(9)^2-4(1)(18)} }{2(1)} = -3

or x = \frac{-9- \sqrt{(9)^2-4(1)(18)} }{2(1)} = -6

Hope this helps :)

4 0
3 years ago
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I NEED ANSWER TO ALL PARTS ASAP! PLEASE!
Contact [7]
Part A) First, you need to find out how much she makes each hour.40/5 = 8 & 48/6 = 8 ... This shows that she makes $8 an hour 

To find the first missing number, you will do 8 * 8 = 64 ... This shows that she makes $64 in 8 hours.

To find the second missing number, you will do 56/8 = 7 ... This shows that she makes $56 in 7 hours.

Part B) Barb makes $9 every hour. To find the amount of money she earns for 5, 6, and 8 hours of work you will need to multiply $9 by the amount of hours she worked.

9 * 5 = 45 ... This shows that she makes $45 in 5 hours.

9 * 6 = 54 ... This shows that she makes $54 in 6 hours.

9 * 8 = 72 ... This shows that she makes $72 in 8 hours.

Part C) In part B, you found out how much she makes after working at the theme park for 5 hours. ($45 in 5 hours)

Next, you'll need to find out how much she makes after mowing lawns for 5 hours.
5*8 = $40 ... This shows that she makes $40 in 8 hours

Now you need to the difference. 45 - 40 = 5 ... She makes 5 more dollars working at the theme park for 5 hours than mowing lawns for 5 hours.
6 0
3 years ago
Help with algebra pleaseee
maria [59]

Answer:

option 2 is correct

mark this as brainliest!

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almond37 [142]
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5 0
3 years ago
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A membership at a yoga studio costs $35 per month. Write an equation for the cost of the membership, c, that you pay if you keep
Usimov [2.4K]
Since there is no base down payment or anything the equation i think would just be 35m = c
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