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Evgen [1.6K]
3 years ago
5

00:00

Mathematics
1 answer:
Nady [450]3 years ago
8 0

Answer:

no,yes,no,yes

Step-by-step explanation:

if you wanna check if a relation is function or not , you can simply check if you have more than one x with same y.for example : for the first relation, you have (2,5) and (2,7) . so this isnt a function

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Sam buys a DVD player for $55. 95 and it is on sale for 40% off regular price. How much money will same save
Lelu [443]

Answer:

$ 22.38

Step-by-step explanation:

If the pre-sale price is $ 55.95

 40 % of this would be  .4 * 55.95 =  $ 22.38

6 0
2 years ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar.
OverLord2011 [107]

Answer:

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4 0
2 years ago
Read 2 more answers
1. Simplify. 4(2a - 1) - 4 + 7a ​
daser333 [38]

Answer:

<em><u>=15a−8</u></em>

Step-by-step explanation:

Let's simplify step-by-step.

4(2a−1)−4+7a

Distribute:

=(4)(2a)+(4)(−1)+−4+7a

=8a+−4+−4+7a

Combine Like Terms:

=8a+−4+−4+7a

=(8a+7a)+(−4+−4)

=15a+−8

Answer:

=15a−8

hope i helped

-lvr

4 0
2 years ago
You volunteer at an animal shelter on the weekends and today is adoption day! At the beginning of the event, you start with 44
Angelina_Jolie [31]

6 cats/kittens were adopted.

Step-by-step explanation:

Given,

Number of cats/kittens at the event = 44

Number of cats/kittens adopted = x

Number of cats/kittens returned = Twice returned as adopted = 2x

New total = 50

We will subtract the adopted and add the returned cats/kittens.

Total cats/kittens at event - adopted + returned = New total

44-x+2x=50\\44+x=50\\x=50-44\\x=6

6 cats/kittens were adopted.

Keywords: expression, variables

Learn more about variables at:

  • brainly.com/question/10666510
  • brainly.com/question/10699220

#LearnwithBrainly

8 0
3 years ago
Jane was baking cookies. She needed 1/3 cup sugar and 1 2/4 cups flour. How much more flour does she need than sugar?
Bas_tet [7]

Answer:

1 and 1/6 cups more

Step-by-step explanation:

1/3 cup sugar

*1 2/4 cups flour = 6/4 cups flour

*assuming it’s 1 and 2/4 and not 12/4 =3

6/4 - 1/3 = (18-4)/ 12 = 14/ 12 = 1 and 1/6

7 0
2 years ago
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