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Sophie [7]
3 years ago
9

Could someone help and explain it to me?

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0

Answer:

i don't have signs so bare with me x is less than -3

Step-by-step explanation:

move the constant to the right and you change the sign

you add 8+13 once your done with that

than you divide both sides by -7 and flip the inequality sign

hope this helps

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For the situation, write and solve an equation. Then, explain what your solution means. If you get stuck, try drawing a diagram
Bess [88]

Answer:

5r + (5 x 6) = 84

looking for rice per pound.

Step-by-step explanation:

5r + (5 x 6)  = 84

This shows an equation where we need to make r the subject to establish how many pounds a bag of rice weighs.

5r + (5 x 6)  = 84

5r + (30)  = 84

5r = 84-30

5r = 54/5

r  = 10 4/5  

r  =  10.8 pounds

5 0
3 years ago
Read 2 more answers
Please help quickly
Lilit [14]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
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A university has 40,140 students. In a random sample of 210 students, 14 speak three or more languages. Predict the number of st
Alekssandra [29.7K]

Answer:

2676 students

Step-by-step explanation:

Total number of students =. 40,140

During study:

Sample size = 210

Number of samples who speak 3 or more languages = 14

Proportion who speak 3 or more languages :

14 / 210 = 0.0666666

Applying the proportion to the total. Population :

0.0666666 * total number of students

0.0666666 * 40140

= 2675.997324

= approximately 2676 students

4 0
3 years ago
Simon is factoring the polynomial. x2−4x−12 (x−6)(x+______) What value should Simon write on the line? −6 −2 2 6
vodomira [7]

Answer:

2

Step-by-step explanation:

You have to find a number that added with -6 equals -4, and multiplied equals -12.

Just have to do the opperations and that is all!

(x-6)(x+2)=x^2+2x-6x-12=x^2-4x-12

Hope you like it!

8 0
3 years ago
Read 2 more answers
Mary owns a small business. She spent $4,500 to get the business started. She has noticed that her monthly operating costs have
slavikrds [6]
First, let’s find how much she spent on monthly operating costs.

5250-4500=750

Then, because all 5 months have been consistent, we can divide by 5

750/5=150

The answer is C
5 0
3 years ago
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