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tigry1 [53]
2 years ago
9

Number 13. Multiply please.

Mathematics
1 answer:
Dafna11 [192]2 years ago
8 0

(x-y)^2 \\\\\\= (x-y)(x-y)\\\\= x * x + (x)(-y)+(-y)(x) +(-y)(-y)\\\\ = x^2 -xy-xy + y^2\\\\=x^2-2xy + y^2

Hope that helps!

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How much longer is 108 inches from 98 inches
WARRIOR [948]

Answer:

b.10 inches

Step-by-step explanation:

6 0
3 years ago
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The ratio of boys to girls in the
9966 [12]

Answer:

Answer : 52 girls

Step-by-step explanation:

Your ratio of boys to girls is 3:4

Set up a fractional proportion and cross multiply

3/4 = 39/x

cross multiply

3x = 4(39)

3x = 156

x = 156/3

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Hope this was helpful!❤

5 0
3 years ago
The ratio of Country albums to Jazz albums in a music collection is 2:3. If the music collection has 45 albums, how many Country
kap26 [50]
{country albums}:{jazz albums}=2:3
3{country albums} = 2{jazz albums}

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3{country albums} = 90 - 2{country albums}
5{country albums} = 90
{country albums} = 18

I got this answer from the link: brainly.com/question/2165977?entry=7190 I give them credit for this, as they were the original. For future reference, you can search your question at the top, and if someone has already answered that question and it is the same as yours, than you can use that, and thank them, etc.  I hope this helps!<span />
7 0
3 years ago
3 ones + 2 tenths +5 hundredths =​
bagirrra123 [75]

3.25 is the answer

Step-by-step explanation:

you would add them as decimals

4 0
3 years ago
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Please answer this right now, beacause i really need it to submit this righttt now :(
erik [133]
1. 14:8, 21:12 28:16
2. 10/12 15/18 20/24
5. 5:4
6. No
7. No
8. Yes
9. No
10. 15
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2 years ago
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