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2 years ago

Please help asap................

Mathematics

1 answer:

Studentka2010 [4]2 years ago

6 0

The correct answer is A the greater value sign is closed and the other is open on the graph the answer is A

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The midpoint of AB is M (2,0). If the coordinates of A are, (-3, 3), what are the coordinates of B?

gregori [183]

Given:

M is the midpoint of AB.

M(2,0) and A(-3, 3).

To find:

The coordinates of point B.

Solution:

Midpoint formula:

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Let the coordinates of point B are (a,b). Then, using the midpoint formula, we get

$(2,0)=\left(\dfrac{-3+a}{2},\dfrac{3+b}{2}\right)$

On comparing both sides, we get

$\dfrac{-3+a}{2}=2$

$-3+a=2\times 2$

$a=4+3$

$a=7$

And,

$\dfrac{3+b}{2}=0$

$3+b=0$

$3+b-3=0-3$

$b=-3$

Therefore, the coordinates of point B are (7,-3).

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3 years ago

Annie's great-grandparents lived in a log cabin with their 3 children. The log cabin had a floor area of 450 square feet. The ce

scoray [572]

Answer:

you would have to multiply 450•7

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3 years ago

The square pyramid has a volume of 768 cubic inches. The height equals 1/6x and the base is just x. What is the value of x ?

Lunna [17]

The volume for a pyramid is $V= \frac{1}{3} Bh$ , where B is the area of the base and h is the height. We are given the volume, and the base and height in terms of x. Our formula then looks like this: $768= \frac{1}{3} (x)( \frac{1}{6} x)$ . Simplifying the right side we have $768= \frac{1}{18} x^{2}$ . Multiply both sides by 18 to get rid of the fraction and we have $13824= x^{2}$ , so x = 117.575

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3 years ago

Find the value of y when x = 10, if y = 35 when x = 7.

olga55 [171]

Set up a proportion:

y = 35 when x = 7

y = ? when x = 10

To get x from 7 to 10, you have to multiply by $\frac{10}{7}$ . Therefore, you do the same to 35, and you get:

$35 \times \frac{10}{7} = 50$

And your answer is 50 :)

8 0

3 years ago

Read 2 more answers

Jack’s new truck costs $325 per month for car payments. In addition, he estimates that gas and maintenance expenses cost $0.23 p

FromTheMoon [43]

$612.04 will Jack have to pay if he drives 1,248 miles in one particular month .

<u>Step-by-step explanation:</u>

Here we have , Jack’s new truck costs $325 per month for car payments. In addition, he estimates that gas and maintenance expenses cost $0.23 per mile. We need to find :

a. Express the monthly cost as a function of the miles driven.

Let number of miles driven be x , & monthly cost be y So , equation is :

⇒ $y=0.23x+325$ , Where 325 is Jack’s new truck costs $325 per month for car payments .