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Tresset [83]
3 years ago
7

WHICH WHAT IS CORRECT

Mathematics
1 answer:
kirill [66]3 years ago
3 0

Answer:

I dont see the file

Step-by-step explanation:

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Teresa, Eric, and Ryan sent a total of 99 text messages over their cell phones during the weekend. Eric sent 3 times as
faust18 [17]

I'll use t for the messages Teresa sent, e for messages Eric sent, and r for messages Ryan sent.

Therefore we have, t+e+r=99.

From the text we also know:

e=3r ; r=t+6

If we substitute in the original equation we get:

t+3(t+6)+t+6=99; By simplifying it we get

5t=75 , therefore t=75/5=15.

Since Teresa send 15 messages,Ryan sent 6 more then here, so he send 21. Eric sent three times the

messages Ryan sent so he sent 63 messages. If we add them together 15+21+63, we get the total of 99 messages.

8 0
3 years ago
a line passes through the point (-3,-5) and has a slope of 5 write an equation in point slope form for this line
Tanzania [10]

Answer:

y=5x+10

Step-by-step explanation:

1) Plug numbers into slope formula to find b.

y=mx+b

-5=5(-3)+b

2) Simplify to find b.

-5=-15+b

10=b

3) Check work.

-5=-15+10

This statement is true.

4) Write equation.

y=5x+10

4 0
2 years ago
The number 27 is a perfect cube. 3 times 3 times 3 equals 27. find four other numbers that are perfect cubes and two numbers tha
yKpoI14uk [10]

Answer:

Numbers that aren't: 35 and 43. It can literally be any number.

Perfect cubes: 8,64,125,216. You can find perfect cubes by cubing any number. For example 6^3 (6 to the power of 3) is 216. A perfect cube.

6 0
3 years ago
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PLEASE HELP!!! worth 15 POINTSSS
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Step-by-step explanation:

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3 years ago
Simplify (2x + 1)(x - 7)
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2 years ago
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