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harina [27]
3 years ago
8

Can anyone help me?i dont know how to do this

Mathematics
2 answers:
Rashid [163]3 years ago
7 0
What’s the question
german3 years ago
7 0
X^2 + 14 = 3(3x - 2)
expand by using distributive property
x^2 + 14 = 9x - 6
x^2 - 9x + 20 = 0
(x - 4)(x - 5)= 0
x - 4 = 0; x = 4
x - 5 = 0; x = 5

answer
x = 4, 5

hope it helps
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adam and betty purchased a printer together for $258. If adam paid $18 less than twice betty, how much money did Adam pay for th
LenKa [72]

Answer:

Step-by-step explanation:

Let A = Adam, B = Betty

Adam and Betty purchased a printer together for $258.

This means we can say A + B = 258.

We are also told Adam paid $18 less than twice Betty.

You can write this as:

Adam = 2 x Betty - 18

A = 2B - 18

Substitute "A" into the A + B equation and you get:

A + B = 258

2B - 18 + B = 258

3B - 18 = 258

Add 18 to both sides.

3B = 258 + 18

3B = 276

Divide both sides by 3 to find B

B = 276/3 = 92 (This means Betty paid $92).

Since the total that they paid together was $258.

This means Adam pays the Total - How much Betty paid

Adam = 258 - 92 = $166

4 0
3 years ago
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You invest $2000 in an account at 4.5% per year simple interest. How much will you have in the account at the beginning of the 8
77julia77 [94]

I will have $2721 at the beginning of the eighth year.

The beginning of the eighth year is the end of <em>seven years of investing</em>.

The formula for the future value (FV) of my investment is

FV = <em>C</em>(1 + <em>r</em>)^<em>n</em>

where <em>C</em> = my initial cash

<em>r</em> = the interest rate

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FV = $2000(1.045)^7 = $2722

8 0
4 years ago
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julia-pushkina [17]
Isolate The variable by dividing each side by factors that don’t contain variable
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5 0
3 years ago
Which of the following is not the same as 0.953 kilograms? 953,000mg 953g 9,530cg
balandron [24]
<span>10 mg = 1 cg 100 cg = 1 g 1000 g = 1 kg. Thus, 0.953 kg = 1000 x 0.953 = 953g 0.953 kg = 0.953 x 1000 x 100 = 95,300cg 0.953 kg = 0.953 x 1000 x 100 x 10 = 953,000 mg Therefore, from the give options, 9,530cg is not the same as 0.953 kilograms. Therefore, the correct answer to the question "Which of the following is not the same as 0.953 kilograms?"is 9,530cg</span>
4 0
3 years ago
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Determine which of the two acute angles has a cosine of 4/5.
DiKsa [7]
6/8 I think
Hope this helps
3 0
3 years ago
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