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olya-2409 [2.1K]
3 years ago
8

4 pairs of shoes cost $80. What is the cost of 7 pairs of shoes ?

Mathematics
2 answers:
Karolina [17]3 years ago
5 0
80/4=20
20x7=140
7 shoes = 140
harina [27]3 years ago
4 0

Answer:

140

Step-by-step explanation:

If 4 pair cost $80 then if you divide $80 into 4 groups you get $20.  Multiply $20 times 7 pairs of shoes and you get $140.

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Sales records at an automobile dealership show that they sold 40 red cars one month. Of those cars, 25 were new cars and 15 were
Sliva [168]
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how many used cars were there? 15
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Therefore, the probability of buying a used car is 15/40 or 3/8.
5 0
3 years ago
Which of the following is true about multi-collinearity? Group of answer choices The P-value reduces significantly, leading to r
julsineya [31]

Answer:

It is measured using a measure called variance inflation factor (VIF).

Step-by-step explanation:

This is the statement that is true about multi-collinearity. Multi-collinearity is a situation that can sometimes arise when dealing with a multiple regression model. Multicollinearity refers to the occurrence of high intercorrelations among various independent variables. This can often lead to results that are skewed or misleading. The main way in which multi-collinearity can be measured is by using the variance inflation factor (IVF). This allows us to quantify the severity of multi-collinearity.

6 0
3 years ago
50 whole points.
marshall27 [118]

Answer: w =-35

Step-by-step explanation:

35/7=5

13+-5=-18

-18

hope i help

8 0
3 years ago
Read 2 more answers
1)2{18-(5+3^2)÷7] <br>2) 1+(-2-5)^2+-3*4<br>PEMDAS<br>​
stira [4]

Answer:

I think these are the right answers. The answer to one is 32. The answer to two is 38.

1: 2[18-(5+3^2)/7]

2[18-(5+9)/7]

2[18-14/7]

2[18-2]

2 times 16 = 32

2: I used a calculator for this one.

3 0
2 years ago
Estimate the square root of 300 and 190
mihalych1998 [28]

Answer:

22

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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