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KiRa [710]
2 years ago
6

A(7x+3)=b+14x what is the value of a and b

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
3 0

Answer:

djdjfjfjfjfjfjfjtjjrntrnnfntnfjfkf

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In one semester, doug and Laura spent a combined 250 hours in the tutoring lab. If doug spent 40 more hours in the lab then Laur
aksik [14]

Answer:

Step-by-step explanation:

What we have is a general equation that says this in words:

Laura's hours + Doug's hours = 250 total hours

Since we don't know either person's number of hours, AND since we can only have 1 unknown in a single equation, we need to write Laura's hours in terms of Doug's, or Doug's hours in terms of Laura's.  We are told that Doug spent Laura's hours plus another 40 in the lab, so let's call Laura's hours "x".  That makes Doug's hours "x + 40".  Now we can write our general equation in terms of x:

x + x + 40 = 250 and

2x = 210 so

x = 105

Since Laura is x, she worked 105 hours in the lab and Doug worked 40 hours beyond what Laura worked.  Doug worked 145.  As long as those 2 numbers add up to 250, we did the job correctly.  105 + 145 = 250? I believe it does!!

8 0
3 years ago
You buy a house for $230,000. It depreciates 3% per year. How much is it worth in 5 years?
Nookie1986 [14]
I honestly don’t know the equation but I just took the starting price, $230,000 and multipled it by .03 which was 6,900 and subtracted that from 230,000: 223,190. I repeated that 5 times. The answer I got is 197,508.83
3 0
2 years ago
What is the correct order of the fractions from least to greatest? Point A: −11 3 Point B: −2 3 Point C: 1 3 Point D: −12 3 The
Otrada [13]

Answer

-12/3, -11/3, -2/3, 1/3

Step-by-step explanation:

sorry if im wrong

6 0
3 years ago
Read 2 more answers
The sine ratio of an angle is the opposite side over the adjacent side.
Agata [3.3K]

Answer:

never

Step-by-step explanation:

In a right triangle, every angle has an opposite side and an adjacent side. And there's always a hypotenuse.

The sine of an angle is the ratio of the length of the opposite side divided by the length of the hypotenuse.

The tangent ratio of an angle is the opposite side over adjacent side, it is not the sine ratio of a triangle.

For example, ABC is a right angled triangle having length of the sides are a,b,c.

So

sine\ C=\frac{a}{c}

3 0
3 years ago
Which expression is equivalent to 9 p minus 3 p + 2?
Snezhnost [94]

Answer:

Didn't know how far I was needed to go, but I hope something there helps you.

Step-by-step explanation:

9p - 3p +2 = 0

6p +2 = 0

6p = -2

p = -2/6

p = -1/3

5 0
3 years ago
Read 2 more answers
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