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notka56 [123]
2 years ago
8

Directions: Review writing expressions to represent situations. Identify the variables,coefficients, and constants.

Mathematics
1 answer:
mojhsa [17]2 years ago
7 0

#1

  • Let the number be x
  • Three times the number means 3x.
  • 8more girls

The expression is

  • 3x+5

#2

  • He began as x
  • Now he has 9 times more

So the expression is

  • 9x

#3

  • Dimes be a
  • Nickel be b
  • Quarter be z

The expression is

  • 3a+b+z

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It takes 40 minutes for 8 people to paint 4 walls. How many minutes does it take 19people to paint 7 walls?
Slav-nsk [51]
Hey hey!


56 would be the answer.

WAIT, don’t leave just yet! You have to show at least some work! You CANT learn if you don’t know what you’re doing.

Here’s how I got the answer:

7:4 walls = 10:8 people =M:40 minutes
M = (7/4) / (10/8) x 40
M = 56 minutes.

If that helped let me know by hitting the thanks button or reply with any help you need.

Have a FABULOUS DAYYY!


3 0
3 years ago
A/4 - 5/6 = 1/2<br> a/4 - 5/6 = 1/2 help
alexgriva [62]

Answer:

a = 16/3 or 5 1/3 or 5.33...

Step-by-step explanation:

to find a you must first make all of the denominators the same

you must find 4 6 and 2s CGF

and that is 12

so multiply a/4 by 3/3 and get 3a/12

then multiply 5/6 by 2/2 and get 10/12

and lastly multiply 1/2 by 6/6 and get 6/12

at this point you can set the equation up like this

3a/12 - 10/12 = 6/12

but then you can multiply everything by 12

3a - 10 = 6

and then solve

add 10 to both sides

3a = 16

then divide 3 on each side

a = 16/3 or 5 1/3 or 5.33...

8 0
2 years ago
Plsss helppp&gt;<br><br> For the line y=4x+5, the parent function is ____
Anastaziya [24]
For the line y=4x+5 the parent function is y=x
7 0
3 years ago
Lilly has 5 dogs. 3 of the dogs are brown. Could 3 of the dogs be black? Explain.
ArbitrLikvidat [17]
No. If Lily only has five dogs and three of the dogs are brown there would only be two dogs left
3 0
3 years ago
Read 2 more answers
....................................
Delvig [45]

Answer:

why so many periods/dots whatever you wanna call them???

Step-by-step explanation:

Hope you have an amazing rest of your day/week!!!

7 0
3 years ago
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