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WINSTONCH [101]
3 years ago
5

Help please

Mathematics
1 answer:
Leni [432]3 years ago
7 0
So they need $125 to start a slime business.
To get money Carrie start to sell cupcakes for 0.50 cents

Juanita will be selling cards for $2.25

Juanita is selling cards for $2.25 and she is selling at least 35 of them

Carrie is selling cupcakes for 0.50 cents and the number of cupvakes is three times the number of cards so we will multiply 35 x 3=105 number of cupcakes

Then we will multiply 0.50 cents x 105= $53.2 on the cupcakes.

After that, we will multiply $2.25 x 35 for the cards = 78.5

Finally add them together
78.5
+53.3
---------
$ 131.8

So they will have $131.8 after selling cupcakes and cards.
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So in plain English it's saying if A Is an element of B, then A and B equals A or B. This is true sometimes
5 0
4 years ago
Lawrence performs a survey to determine the average number of minutes of exercise seventh-grade athletes get in one week. He get
RoseWind [281]

Answer:

1) Is more representative

Step-by-step explanation:

The problem with his selection is that maybe there are few students participating in certain sport and those students maybe do quite more excercise than the rest (or quite less). This will modify the results because the sample he selected is biased. This problem wont be solved by method 3 or 4, because he is still selecting students that may modify heavily the results with a high probability

This problem will also appear if he choose a sample by class. Maybe, in a class there are quite few students, and selecting from class will make those students appear quite more often than, lets say, a 7th grade student selected at random, therefore the selection is biased in this case as well.

If he has a list with all seventh grade students, each student is equallly likely to be selected and as a consequence, the the results wont be biased. Approach 1 is the best one.

5 0
3 years ago
Read 2 more answers
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klio [65]
The equation is 4s=21

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7 0
3 years ago
Solid A has a volume of 28 in³. The scale factor of A to B is 1:2. What is the volume of Solid B?
PilotLPTM [1.2K]

Answer: 56in³

Step-by-step explanation:

Let the volume of solid B de denoted as x. Based on the information given in the question, we can solve further by:

1/2 = 28/x

Cross multiply

1 × x = 2 × 28

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Therefore, the volume of solid is 56in³.

4 0
3 years ago
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OverLord2011 [107]

x - 12 = 2

Add 14 to both sides to seperate x from numerical values.

x = 14

6 0
4 years ago
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