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3 years ago

Somebody please help me what is 15 / 3 ×7/20

Mathematics

1 answer:

stellarik [79]3 years ago

8 0

Answer:

1.75

Step-by-step explanation:

By Order of Operations, You read it left to right since Multiplication and Division are of the same importance. You would start with 15/3, which is 5.

Then your equation would be: 5*7/20.

Again, you would just read it left to right, 5*7=35

Then divide by 20, which is 1.75.

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Kate measured her room in inches she measured the length to be 180 inches how many feet is that?

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Please help. Also show how you got it thanks!

Blababa [14]

There are 12 inches in a foot so we can work this problem out in inches 3/5 is 80%......80% of 12 inches is 9.6 inches ....1/4 is 3 inches and 2/3 is 8 inches so we have 9.6,3,and8 now we multiply 9.6*3*8 for the answer to be 230.4 inches squared

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3 years ago

The table below shows the relationship between the number of teaspoons of baking powder in a mix and the height of fudge brownie

rosijanka [135]

Answer:

Option A. $y=0.28x+0.75$

Step-by-step explanation:

Let

y -----> the height of fudge brownies in centimeters

x ----> teaspoons of baking powder

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take the points

(5,2.15) and (6,2.43)

substitute the values

$m=\frac{2.43-2.15}{6-5}$

$m=\frac{0.28}{1}=0.28$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=0.28$

$(x1,y1)=(5,2.15)$

substitute

$y-2.15=0.28(x-5)$

Isolate the variable y

$y-2.15=0.28x-1.4$

$y=0.28x-1.4+2.15$

$y=0.28x+0.75$

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3 years ago

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Problem: A scuba diver swam 30 feet below sea level. After a couple of minutes, he went down 10 feet more. Find the total distan

QveST [7]

Answer: -40 feet

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lmk if this is incorrect, i'm not quit sure if it is or not. if i'm wrong, i'm so sorry!!

3 0

3 years ago

Somebody please help me what is 15 / 3 ×7/20​

Somebody please help me what is 15 / 3 ×7/20