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2 years ago

How do you factor -6a+27b-15c

Mathematics

1 answer:

tatyana61 [14]2 years ago

5 0

-3 (2a-9b+5c)

common factor out the lowest common factor which is -3

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A picture has the ratio of z inch per 3 cm. What is the unit rate inches per centimeter?

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Answer:

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Step-by-step explanation:

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4) Let the number be : N

Given : 10% of this number is 25

$\sf{\implies 10\% \ of \ N = 25}$

$\sf{\implies \dfrac{10}{100} \times N = 25}$

$\sf{\implies \dfrac{N}{10} = 25}$

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$\sf{\implies \dfrac{60}{100} \times 250}$

$\sf{\implies 6 \times 25}$

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5) Given : James left the home at 10 : 00 AM

First : He will meet his friend Tom at the skate park which is 15 minutes walk from his home.

So, James reached the skate park 10 : 15 AM

Second : They stayed at the skate park for an hour

So, till 11 : 15 AM James and Tom were at skate park

Third : Then they will take a 10 minutes walk over to the Burger bar

So, James and Tom reached the Burger bar at 11 : 25 AM

6) First let us find 75% of 80

$\sf{\implies \dfrac{75}{100} \times 80}$

$\sf{\implies 15 \times 4}$

$\sf{\implies 60}$

Now let us find 40% of 30

$\sf{\implies \dfrac{40}{100} \times 30}$

$\sf{\implies 12}$

Now, (60 - 12) = 48

Answer: 75% of 80 is 48 greater than 40% of 30

7) Given : Journey to school takes 70 minutes

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2 years ago

What is the value of x?

tekilochka [14]

Answer:

Step-by-step explanation:

since we can see that the lines are parallel

and we can see that the both are interior angles and when we sum up both angles we get 180

2x - 5 + 45 = 180

2x + 40 =180

2x = 180 - 40

2x =140

x = 140/2

x = 70

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3 years ago

Which two quadrants have negative x-values?

mart [117]

Answer:

II and III ( 2 and 3)

Step-by-step explanation:

The quadrants are numbered counter clockwise, with the top right being number I

II I

III IV

The ones having negative x values are II and III ( 2 and 3)

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2 years ago