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zvonat [6]
3 years ago
13

Chelsea earns $30 per day plus $5 for every sale that she makes at her job. On thursday ,she wants to earn at least $60

Mathematics
2 answers:
Aleks04 [339]3 years ago
7 0
She needs 6 sales 
30+5x=60
30+5(6)
30+30=60

svetoff [14.1K]3 years ago
5 0
Chelsea needs 6 sales

30+5x=60
30+5(6)
30+30=60
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Which is a step in the process of calculating successive discounts of 8% and 10% on a $50 item?
Vanyuwa [196]
C is the right answer.
7 0
3 years ago
SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR
slega [8]

Answer:

1)

A)

We must use the formula b x h/2  12 x 8/2 = 48    

A=48

B)

We must use the formula 1/2a root c squared - a squared

Solving and substituing will get you 35.78

2)

A)

We must divide 81 by 2 to get 9. Since this is a square, all sides will be 9. Then, we must add 9 four times to get 36 cm as our perimeter

B) If we draw the square with a diagonal line, we can understand that the diagonal line (hypotenus) is  s root 2.

3) The formula for this area of a triangle is h x b/2. We must substitute the numbers to get our answer:

h x b /2 = 10 x 20/2 = 200/2 = 100

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Step-by-step explanation:

5 0
3 years ago
F represents the fee (in dollars) for climbing d meters.
Grace [21]

Answer:

$12

Step-by-step explanation:

when d = 0,  F = 110

when d = 100, F = 110 + (0.12 x 100) = 122

when d = 200, F = 110 + (0.12 x 200) = 134

etc.

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3 0
3 years ago
A quiz has thirty questions whose answers can only be correct or incorrect.
satela [25.4K]

Using a system of equations, it is found that Gina got 22 questions correct in the test.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Number of questions she got correct.
  • Variable y: Number of questions she got wrong.

The test has 30 questions, hence:

x + y = 30 -> y = 30 - x.

She scored 152 points, hence, considering the value of each question:

8x - 3y = 152.

Since y = 30 - x:

8x - 3(30 - x) = 152

11x = 242

x = 242/11

x = 22

Gina got 22 questions correct in the test.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

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2 years ago
What is 7 4/10 -1 1/3
Goryan [66]
The answer is 6 and 1/15.
7 0
3 years ago
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