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sergeinik [125]
3 years ago
12

a girl is 10 years older then her brother. By next year, she will be twice the age of her brother. what are their ages now?​

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

20 years old.

Step-by-step explanation:

let me know if I'm right or not

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3. Use the diagram 2 and 3 are ____ angles 1. complementary 2. vertical 3. right 4. supplementary
Vladimir79 [104]

#3

2 and three are supplementary angles .

#4.

The answer is opposite angles .

  • Hence there is no option

#5

Bisected angles are equal

\\ \sf\longmapsto 5x=3x+10

\\ \sf\longmapsto 5x-3x=10

\\ \sf\longmapsto 2x=10

\\ \sf\longmapsto x=\dfrac{10}{2}

\\ \sf\longmapsto x=5

Now

m<ABC

\\ \sf\longmapsto 5x+3x+10

\\ \sf\longmapsto 8x+10

\\ \sf\longmapsto 8(5)+10

\\ \sf\longmapsto 40+10

\\ \sf\longmapsto 50

5 0
3 years ago
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Seema deposited $800 in a saving account earning 2.88% compounded annually. To the nearest cent, how much will she have in 16 ye
ehidna [41]

Answer:

1260.04

Step-by-step explanation:

The formula for compound interest is:

A = P(1+\frac{r}{n})^{nt} where A is the final amount, P is the initial principal balance, r is the interest rate, n is the number of times interest applied per time period and t is the number of time periods elapsed. Since the deposit was compounded annually, just like the interest, we can omit the n in the equation.

Applying the formula to question:

800(1+\frac{2.88}{100})^{16} = 1260.04 (rounded off to nearest cent since it's money)

5 0
3 years ago
Find the area of the circle with the given radius or diameter. Use pi = 3.14. r = 6
svetoff [14.1K]
The answer is 113.1. Hope this helps
3 0
3 years ago
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HELP LOOK AT PIC.<br> EmergenCY
yanalaym [24]

Answer:

I believe it would be 2.857

Step-by-step explanation:

100/35

2.857142857

5 0
3 years ago
Here are 56 trees in an apple orchard. They are arranged in equal rows. There are 8 trees in each row. How many rows of apple tr
vlada-n [284]
There would be 7 rows..
let x be the no.of trees and let y be the no. of rows.....
Sol.
xy=56
8y=56
8y/8=56/8 ---divide both sides by 8 to find y
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4 0
3 years ago
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