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ExtremeBDS [4]
3 years ago
8

 

Mathematics
1 answer:
Lapatulllka [165]3 years ago
8 0
Mr. Rowley  : 16/14 reduces to 8/7
Ms. Rivera : 64/60 reduces to 16/15

No, these ratios are not equivalent. Because ratios can be written as fractions....and 8/7 is not equivalent to 16/15
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PLSSS HELP!! I'LL GIVE BRAINLIEST IF RIGHT Which is the equation of a parabola with a directrix at y = 2 and a focus at (5, 0).
goldfiish [28.3K]

Answer:

First, we need to set up a (y−k)^2=4p(x−h). After plugging in all of your values, you would get (x-5)^2=-4(y-1). Now, we need to solve in terms of y by dividing each side by the factors that don't contain the variable

Step-by-step explanation:

3 0
3 years ago
Iam really stuck on this one pls help
Anastaziya [24]
Well my best would be 185in^2 
3 0
2 years ago
23. * MULTIPLE CHOICE Which is the correct factorization of -45x^2 + 20y^2
skad [1K]

Answer:

c)-5(3x+2y)(3x-2y)

Step-by-step explanation:

1) lets find out if -45 and 20 have a GCF

-45 and 20 are both dividable by -5 so

-5(9x^2-4y^2)

1) you can see that 9 and -4 are perfect square so:

-5(3x+2y)(3x-2y)

            Recheck:

1) lets use FOIL to see if this is right(if its right we will get back our original equation)

-5(9x^2-6xy+6xy-4y^2)

-5(9x^2-4y^2)

-45x^2+20y^2

hope this helps!

7 0
3 years ago
At a sale, coats were sold for $184 each. If the coats originally cost $200 each, what percentage of its original price was a co
Serggg [28]

Answer:

92%

Step-by-step explanation:

sale price is 184.

original price was 200.

184/200 = 0.92

Multiply by 100 to change to a percent.

0.92 × 100 = 92

184 is 92% of 200.

The coat was sold for 92% of its original price.

8 0
1 year ago
Read 2 more answers
PLEASE HELP ME WITH THIS!!!
Bess [88]

Answer:

I think the answer would be C

7 0
3 years ago
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