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3 years ago

What is the slope of these points (-14, -2) ,(7,7)

Mathematics

1 answer:

Masteriza [31]3 years ago

5 0

Answer:

3/7

Step-by-step explanation:

slope = change in y/change in x = (7 - -2)/(7 - -14) = 9/21 = 3/7

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Simplify (7/9a+9/7b)^2-ab

lianna [129]

Ab+49/81a^2+81/49b^2

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2 years ago

If a company buys an item at a wholesale price of $45, which of the following would make sense as a retail price to charge the c

boyakko [2]

Answer:

Step-by-step explanation:

buys it for $ 45

well...you know the business is gonna want to make a profit...so they would have to sell it for more then they bought it for.

I would say $ 60 or $ 80

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3 years ago

How many fourths are in one third?

Lera25 [3.4K]

Answer:

there is one fourth in one third

Step-by-step explanation:

1/3 < 1/2

one third is less than two fourths (one half)

1/3 > 1/4

but it is more than one fourth, so one fourth fits in one third.

3 0

3 years ago

Four plumbers estimated the length of the radius of a cylindrical pipe. The estimates made by the plumbers are listed. Which lis

suter [353]

Answer:

$\frac{\sqrt{3}}{11}>\frac{\pi }{24}>\frac{3}{25}>\frac{9}{100}$

Step-by-step explanation:

To get the order of the lengths in the order from greatest to least we will make the denominator of the given fractions common and then compare the numerators.

$\frac{3}{25}, \frac{\sqrt{3}}{11}, \frac{9}{100},\frac{\pi }{24}$

LCM of the denominators,

2 | 25 11 100 24

2 | 25 11 50 12

5 | 25 11 25 6

5 | 5 11 5 6

1 11 1 6

LCM = 2×2×5×5×6×11 = 6600

$\frac{3}{25}=\frac{3}{25}\times \frac{264}{264}$

$=\frac{792}{6600}$

$\frac{\sqrt{3}}{11}=\frac{\sqrt{3} }{11}\times \frac{600}{600}$

$=\frac{600\sqrt{3}}{6600}=\frac{1039}{6600}$

$\frac{9}{100}=\frac{9}{100}\times \frac{66}{66}$

$=\frac{594}{6600}$

$\frac{\pi }{24}=\frac{\pi }{24}\times \frac{275}{275}$

$=\frac{275\pi }{6600}$

$=\frac{864}{6600}$

Now we can arrange these fractions in the order of greatest to least.

$\frac{1039}{6600}>\frac{864}{6600}>\frac{792}{6600}>\frac{594}{6600}$

$\frac{\sqrt{3}}{11}>\frac{\pi }{24}>\frac{3}{25}>\frac{9}{100}$

6 0

3 years ago

Which of the following is the inverse operation of subtraction? Factoring Addition Multiplication Division

Firlakuza [10]

Addition is the inverse of subtraction. Hope I helped!

5 0

3 years ago

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