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3 years ago

Please help Evaluate the expression. (7 – 4)[(5 +

Mathematics

1 answer:

IgorLugansk [536]3 years ago

8 0

You have to subtract 4 from 7 and then add 5 and 3 then add 8 and 2 then multiply 10 with 3 to get 30.

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The midpoint of \overline{\text{AB}}

Schach [20]

Answer:

The coordinates of b are: B=(-7,-8)

Step-by-step explanation:

We are given the coordinates of the midpoint of $\overline{\text{AB}}$ as M=(-5,-2).

We are also given the coordinates of A=(-3,4). The question requires us to calculate the coordinates of the other endpoint B.

Let (xb,yb) the coordinates of B. The coordinates of the midpoint can be calculated as follows:

$\displaystyle x_m=\frac{x_a+x_b}{2}$

$\displaystyle y_m=\frac{y_a+y_b}{2}$

We know xa=-3 and xm=-5. Solve the first equation for xb:

$2x_m=x_a+x_b\Rightarrow x_b=2x_m-x_a$

Substituting:

$x_b=2\cdot (-5)-(-3)=-10+3$

$x_b=-7$

We can solve the second equation for xb and get:

$y_b=2y_m-y_a$

Since ya=4 and ym=-2, then:

$y_b=2\cdot (-2)-(4)=-4-4$

$y_b=-8$

Thus, the coordinates of b are: B=(-7,-8)

4 0

3 years ago

У + 2х = 7 у = 3х – 3 What is the answer to this

Neko [114]

I think the correct answer is ( 2, 3 )

6 0

2 years ago

Answer it answer it answer it

AysviL [449]

Answer: D.

Step-by-step explanation: If you look closely, putting a 100 wouldn't make sense

6 0

3 years ago

Read 2 more answers

Help quickkkkkk- I’m terrible at dis stuff

solong [7]

Answer:

Step-by-step explanation:

(x-3)² - 7 = (5-3)²-7

= 2²-7

= 4 - 7

= -3

3 0

3 years ago

Total employment for sheet metal workers in 2016 is projected to be 201,000. If this is a 6.3% increase from 2006,

anastassius [24]

Answer:

Step-by-step explanation:

<h3>#CarryOnLearning</h3>

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3 0

2 years ago