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tia_tia [17]
3 years ago
6

Work out the gradient of straight line AB where A=(-3,7) and B=(7,-8)

Mathematics
1 answer:
jolli1 [7]3 years ago
7 0
I think it’s asking for you to multiply (-3,7) and (7,-8)
So if it is it would be -21 times-56= 1,176 AB=1,176
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Help me plzzz kinda confused on this sqaure stuff
balandron [24]

Answer:

The square JKLM is a square with 4 right angles

It is a parallelogram

Step-by-step explanation:

3 0
3 years ago
Alexis sold boxes of homemade granola bars for $8.50 each. It cost her $2.25 to bake and package each box of granola bars. What
scZoUnD [109]

Answer: 6.25 is her profit

Step-by-step explanation: cost-price= protect

2.25 - 8.50=6.25

4 0
3 years ago
Loretta invested $1000 in a simple interest account yielding 5% paid annually. In 2 years, she will have $1100 in her account. F
Vlad1618 [11]

Answer: $1100 will represent the amount after 2 years at the rate of 5%.

Step-by-step explanation:

Since we have given that

Principal amount = $1000

Rate of interest = 5%

Time period = 2 years

As we know the formula for "Simple Interest ":

Interest=\frac{P\times R\times T}{100}\\\\Interest=\frac{1000\times 5\times 2}{100}\\\\Interest=\$10

And we know that

Amount=Principal+Interest\\\\Amount=1000+100\\\\Amount=\$1100

So, $1100 will represent the amount after 2 years at the rate of 5%.

4 0
2 years ago
Read 2 more answers
The stadium has 9400 seats. 7990 of these seats are in the sun today. What percent of seats are NOT In the sun?
AURORKA [14]

Answer:

15%

Step-by-step explanation:

When looking at the problem, you are given the total number of seats and the number of seats that are in the sun. There are two ways that you can go about this problem

1) In this method, you want to find how many seats are not in the sun. First you would take the total number of seats (9400) minus the number of seats in the sun (7990) to find the amount of seats not in the sun. 9400 - 7990 = 1410 seats. After this, you simply want to find the percentage by doing the part over the whole multiplied by 100 and it would look like this: (1410 / 9400) * (100) = 15%

2) You can find the percentage of seats in the sun and you know that it's compliment is the seats out of the sun. So it would look similar to the last one by doing part over whole multiplied by 100: (7990 / 9400) * (100) = 85% in the sun. Then you would subtract that from 100%: 100 - 85 = 15% of seats not in the sun.

I hope that this helps!

5 0
3 years ago
Read 2 more answers
Given the following pyramid identify the L, P, and B then find the surface area
Liula [17]

Answer:

slant length (l) = 7.5 m

perimeter of base P = 40 m

area of base B = 100 m^2

Surface Area = 250 m^2

Step-by-step explanation:

Surface area of a pyramid formula

1/2Pl + B

1/2 (40)(7.5) + 100

150 + 100 = 250 square meters

6 0
1 year ago
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