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3 years ago

What is the change in y divided by the change in x called?

Mathematics

2 answers:

pickupchik [31]3 years ago

8 0

It is called the slope of the line

ddd [48]3 years ago

4 0

The change in y divided by the change in x is called the slope of the line.

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8 men will take 10 days to build a wall 150 metres long. After the men had started working for 6 days, they were told that the w

Mashutka [201]

First, find out how much each man works. If eight men take 10 days to build 150 m of wall, then that means that it takes 80 man days to build 150 m. One Man day is then 150÷80, in other words 1.875. If eight men have already been working for six days, then they have spent 8×6 man days, 48. 48 men days times 1.875 m of wall per man day equals 90 m of wall have been built. So, you have four days left to build the remaining 60 m of wall as well as 45 extra meters, in other words, 105 m total. 105 m divided by four days equals 26.25 m need to be built every day. Since one man builds 1.875 m of wall every day, to find the number of men total you need for the last four days, take 26.25÷1.875, Which equals 14 exactly. 14 is not the answer however, because it’s asking how many more men you need. Since you already have eight, you need six more to make 14

The answer is six more men

3 0

3 years ago

You are making several purchases from the I.B. Electric electronics store. You can buy from this store online or in a physical s

hammer [34]

Answer:

Online store will save the most money

Step-by-step explanation:

Amount used in Physical store

Batteries 2packs @$5.99 cost = $5.99*2=$11.98

Stereo 1 system @$100 cost = $100*1=$100

CDs 3 CDs @$7.95 cost = $ 23.85

Total cost= $11.98+$100+$23.85= $135.83

Applying the 10% off coupon = 90/100 * $135.83 =$ 122.25

Applying sale tax 5% = 105/100 * 122.25=$128.36

Amount to spend when using physical store= $128.36

Now calculate for the online store

Batteries 2packs @$4.99 cost= $4.99*2=$ 9.98

Stereo 1 system @$90 cost= $ 90 *1= $90

CDs 3 CDs @$8.95 cost = $8.95*3=$26.85

Total cost=$9.98+$90+$26.85=$126.83

Applying the 5% off coupon= 95/100*126.83=$120.49

Applying the sale tax, $6.99+$120.49=$127.48

Comparing the two ways,

Physical store= $128.36

Online store=$127.48

Online store will save the most money by ($128.36-$127.48)=0.88

8 0

3 years ago

-The sum of two numbers is less than 10

anastassius [24]

Answer:

A and C r the answers

4 0

3 years ago

What is the result when the number 38 is decreased by 50%?

kolezko [41]

Answer:

Step-by-step explanation:

38 - 50% = 19

8 0

3 years ago

If B is the midpoint of AC and the length of AC is 23.8, what is the length of AB

stira [4]

So in order to find the answer you would have to multiple 23.8 by 1/2
So the answer would be 11.9
Hope this helps

6 0

3 years ago