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Paladinen [302]
3 years ago
10

Your friend incorrectly says the solution to the equation 11.2y - 7.4y=141.36 is y=7.6 what error did your friend make?

Mathematics
2 answers:
DerKrebs [107]3 years ago
6 0
The error is clearly choice B.

11.2y - 7.4y should be subtracted not added.

Answer: Choice B
cupoosta [38]3 years ago
5 0

Answer:

The answer will be B.  Added 7.4yplus 11.2y

Step-by-step explanation:

Answer:  Added 7.4 plus 11.2y

Hope this helps :)

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Graph the line passing through the given point and having the indicated slope. through (3​, ​negative 2​) with slope minus−three
Alex17521 [72]

Answer:

See the attachment

Step-by-step explanation:

A slope of -3/5 means the line drops 3 units for each 5 units it goes to the right. Then you can find another point on the line by going 5 uints to the left (to x=-2) and 3 units up (to y=1).

Plot the given point and the one just computed and draw the line through them.

8 0
3 years ago
You have $5600. The best interest rate you can find is 3%
EleoNora [17]

Answer:

18 years

Step-by-step explanation:

The formula for computing accrued amount A for a principal of P at an interest rate of r(in decimal) compounded n times in a year for t years is given by

A = P(1 + \frac{r}{n})^{nt}

Note that r is percentage converted to decimal. So 3% = 3/100 = 0.03

We can rearrange the above equation to:

\frac{A}{P} = (1 + \frac{r}{n})^{nt}

Taking logs on both sides

log(\frac{A}{P}) = log(1 + \frac{r}{n})^{nt}

This gives

log(\frac{A}{P}) =nt \times log(1 + \frac{r}{n})\\So,\\nt = \frac{log(\frac{A}{P})}{ log(1 + \frac{r}{n})}

In this particular problem, n = 4, , A= 9600, P = 5600, r =0.03, so r/n = 0.03/4 = 0.0075

1 + r/n = 1+0.0075 = 1.0075

4t = log(9600/5600)/log(1.0075) = log(1.714) / log(1.0075) = 0.234 /0.00325 = 72

t = 72/4 = 18 years

4 0
2 years ago
Two bowls of pasta at a resaurant serve 3 people how many bowls of pasta should be ordered for 12 people
MrRa [10]
4 bowls of pasta would be served for twelve people.

4×3=12
3 0
3 years ago
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Step-by-step explanation:

3 0
2 years ago
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A is a figure with ten sides and ten interior angles.
wel

Answer:

not enough information to form an answer

Step-by-step explanation:

and what is ur profile pic lol

7 1
3 years ago
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