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Zarrin [17]
2 years ago
14

during one semester, the time elaine spent doing homework or participating in extracurricular activities was 20 percent less tha

n the time she spent attending class. if she spend a total of 981 hours attending class, doing homework, or participating in extracurricular activities, how many hours did she spend attending class?
Mathematics
1 answer:
polet [3.4K]2 years ago
7 0

Answer:

963 hours

Step-by-step explanation:

I subtracted 20 from the 981

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A lemonade recipe calls for the juice of 5 lemons, 2 cups of water, and 2 tablespoons of honey. Invent a new version of this lem
Svet_ta [14]

Answer:

The new version contains 15 lemons, 6 cups of water and 6 tablespoons of honey

Step-by-step explanation:

The given ingredients used to make the lemonade are;

The number of lemons = 5

The number of cups of water = 2

The number of tablespoons of honey = 2

Therefore a new version the lemonade recipe that would make more lemonade but that would still taste the same as the lemonade made with the given recipe is found by scaling up the quantities of the ingredients in the given recipe as follows;

The  ingredients used to make the new lemonade are obtained by multiplying the ingredients in the given recipe by a factor larger than 1;

The number of lemons in the new recipe = 5 × 3 = 15

The number of cups of water in the new recipe = 2 × 3 = 6

The number of tablespoons of honey  in the new recipe = 2 × 3 = 6

The new version contains 15 lemons, 6 cups of water and 6 tablespoons of honey.

6 0
4 years ago
In simplest form, what is the ratio of triangles to circles?
Fed [463]
There are 3 shapes present.

Triangle - 2
Circle - 4
Square - 2

Ratio of triangles to cirles: 2 triangles to 4 circles ⇒ 2/4 
2/4 simplified to 1/2.
3 0
3 years ago
Read 2 more answers
After counting her weekly earnings, she bought a candy bar for $.45, a pen for 250 and her mom gave her 2.00. She had $5.05 left
horsena [70]

Answer:

She started with $6.00.

Step-by-step explanation:

1. This problem is meant to have you work backwards from the information given. Firstly, it is important to write all the expenses and earnings she had to her weekly earnings.

Starting Amount = ?

- $0.45 (candy bar)

- $2.50 (pen)

+ $.200 (mom)

End Total = $5.05

2. With this information, this next step will be much easier. With this process, you can now use inverse operations to undo the last few equations.

Firstly, $2.00 given by her mom will be subtracted from $5.05.

Secondly, with our new total of $3.05, $2.50 from purchasing the pen will be added to this amount. This leaves you with $5.55.

Lastly, the $0.45 cents she spent with the candy bar will be added to the $5.55.

This leaves the starting amount to $6.00.

3.  She started with $6.00

6 0
4 years ago
Read 2 more answers
How can i solve this?
blagie [28]
Hello!

You can put in the x values and see if you get y

y = (-2)^2 - 2(-2) + 3

y = 4 + 4 + 3

y = 11

The only choice with this D

The answer is D where x is -2 and y is 11

Hope this helps!
8 0
3 years ago
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Whats the value of c? 60 - (3c + 4) = 4(c + 6) + c
Eddi Din [679]

Answer:

c=4 hope this helpss

Step-by-step explanation:

6 0
3 years ago
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