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3 years ago

IMPORTANT PLEASE!! 10 POINTS :)

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

5 0

Answer:

The domain is all the possible inputs for this function. The range is all the possible outputs for this function.

The line starts at the x-value of 0 and ends at the x-value of 12. Therefore, your domain is D: [0, 12].

The line starts at the y-value of 9000 and ends at the y-value of 0. Therefore, your range is R: [0, 9000].

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M<N = (5x) and m <l=(x+20). What is the value of X?

Lena [83]

Answer:

x = 5

Step-by-step explanation:

The figure shows two pairs of opposite sides parallel, so quadrilateral KLMN is a parallelogram. Angles N and L are opposite angles in a parallelogram, so their measures are equal.

m<N = m<L

5x = x + 20

4x = 20

x = 5

7 0

3 years ago

New York City has a population of 8.55 million and 300 square mile. Manhattan has 1.64 million and 23 square miles. How much gre

harkovskaia [24]

Given :

New York City has a population of 8.55 million and 300 square mile area .

Manhattan has 1.64 million and 23 square miles area .

To Find :

How much greater is the population density of Manhattan than New York City.

Solution :

Population density of New York City :

$D_{NY}=\dfrac{8.55}{300}=0.029 \ million/mile^2\\\\D_{M}=\dfrac{1.64}{23}=0.071 \ million/mile^2$

Now ,

$D_{M}-D_{NY}\\\\(0.071-0.029)=0.042\ million/miles^2$

Therefore , population density of Manhattan is $0.042\ million/miles^2$ greater than New York City .

Hence , this is the required solution .

4 0

3 years ago

Please find answer a row for answer on top

mariarad [96]

Deposit = $75 = 30%

(30/100)x = 75
(3/10)x = 75
0.3x = 75
x = 75/0.3
x = 250
Total cost = $250
deposit = $ 75
Total - deposit = $175
Thus, Marc owe $175 for the rug.

6 0

3 years ago

If is added to a number and the sum is 8 multiplied by 2, the answer is What is the number? 3

Anit [1.1K]

Answer:

Let the number be x

Given that

⇒(x+

)×2=

⇒x+

⇒x=

−

⇒x=

⇒x=2

Thus the number is 2

5 0

3 years ago

Tommy solved the equation 3x-7=x/2+9 and found x=5. He then shakes his head and starts over. How did he know so quickly that he

Whitepunk [10]

He knows he made a mistake so quickly because he substitutes 5 for x in 3x - 7 = x/2

<h3>How did he know so quickly that he made a mistake?</h3>

The equation is given as:

3x - 7 = x/2 + 9

The solution is given as:

x = 5

To quickly know he made a mistake, we substitute 5 for x in 3x - 7 = x/2 + 9

So, we have

3 * 4 - 7 = 5/2 + 9

Evaluate

12 - 7 = 2.5 + 9

Evaluate the like terms

5 = 11.5

The above equation is false.

Hence, he knows he made a mistake so quickly because he substitute 5 for x in 3x - 7 = x/2