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3 years ago

HELP ASAP MATH HW WILL GIVE BRAINIEST

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

8 0

Answer will be A. 50.1

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Anthony is 5 years older than his sister Ellen, and 7 years ago the sum of their ages was 23 years. In how many years will Antho

notsponge [240]

$\left \{ {{a = e + 5} \atop {(a-7) + (e - 7) = 23} \right.$

a = Anthony
e = Ellen

(e + 5 - 7) + (e - 7) = 23
e + -2 + e - 7 = 23
2e - 9 = 23
Add 9 on both sides.
2e = 32
Divide both sides by 2.
e = 16

a = 16 + 5
a = 21

30 - 21 = 9

In 9 years Anthony will be 30 years old.

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4 years ago

Please need help thank

Tpy6a [65]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

There are a total of 64 students in a drama club and a yearbook club .The drama club has 10 more students than the yearbook club

tatiyna

Answer:

x + y = 64

x + 10 = y

Step-by-step explanation:

Since it isn't asking for the solutions, I won't solve.

let y represent drama students, and x represent the yearbook students.

We know that DS (drama students) plus YS (Yearbook students) equals 64 students in total. To write this mathematically you would write x(YS)+ y(DS) = 64 (Students in total) except just x + y = 64.

The second part of this system explains what y is.

We know that the drama club has 10 more students than yearbook students, so YS plus 10 equals the amount of DS. To write this mathematically you would write x + 10 = y.

Combine the two systems by writing

x + y = 64

x + 10 = y

P.S. Let me know if you need the system solved.

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3 years ago

What is the answer to this problem

hammer [34]

Answer:

i dunno

Step-by-step explanation:

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3 years ago

Logan bought 10 balloons.Two-fifths of the balloons are purple how many of the balloons are purple? Draw a model to show how you

seropon [69]

4 purple balloons is the answer

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2 years ago