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3 years ago

What is area of square

Mathematics

1 answer:

vodka [1.7K]3 years ago

4 0

Step-by-step explanation:

side² is the formula to find area of square.

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The midpoint of AB is M(-5,1). If the coordinates of A are (-4,-5), what are the coordinates of B?

Elenna [48]

ANSWER:

The midpoint of AB is M(-5,1). The coordinates of B are (-6, 7)

SOLUTION:

Given, the midpoint of AB is M(-5,1).

The coordinates of A are (-4,-5),

We need to find the coordinates of B.

We know that, mid-point formula for two points A $(x_{1}, y_{1})$ and B $(x_{1}, y_{2})$ is given by

$M\left(x_{3}, y_{3}\right)=\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)$

Here, in our problem, $\mathrm{x}_{3}=-5, \mathrm{y}_{3}=1, \mathrm{x}_{1}=-4 \text { and } \mathrm{y}_{1}=-5$

Now, on substituting values in midpoint formula, we get

$(-5,1)=\left(\frac{-4+x_{2}}{2}, \frac{-5+y_{2}}{2}\right)$

On comparing, with the formula,

$\frac{-4+x_{2}}{2}=-5 \text { and } \frac{-5+y_{2}}{2}=1$

$-4+\mathrm{x}_{2}=-10 \text { and }-5+\mathrm{y}_{2}=2$

$\mathrm{x}_{2}=-6 \text { and } \mathrm{y}_{2}=7$

Hence, the coordinates of b are (-6, 7).

5 0

4 years ago

Select the correct answer.

Pani-rosa [81]

Answer:

Step-by-step explanation:

8 0

3 years ago

Please help!!! And try to show your work if you can:)

maxonik [38]

Answer:

equation~ 2x + 5= 2X + 8

Value of X~ 0.3

Perimeter:13

Step-by-step explanation:

equation: 2x + 5 =2x +8

2x + 5= 2x+ 8

4x + 5= 8

4X= 13

x= 0.3

value of X: 0.3

Perimeter: 13

8 0

3 years ago

There is a 15% discount on all items in a store. You buy a $12 shirt and $45 jeans. What will be your total cost?

Nina [5.8K]

Answer:

The total cost of the shirt and Jean's together with a 15% discount would be $48.45.

Step-by-step explanation:

if you at 12 and 45 you get 57 now if you multiply that by .15 which would be 15% you would get $48.45.

6 0

3 years ago

Read 2 more answers

Please help I don’t understand how to do these

steposvetlana [31]

Answer:

I think there would be 86 blue marbles

x=4(106 - x ) + 6

x= 424 - 4x + 6

5x= 430

x= 86 blue marbles

Tell me if I'm wrong, hope this helps.

3 0

3 years ago