3 years ago

Chen completed the division problem below.

Mathematics

1 answer:

jolli1 [7]3 years ago

3 0

Answer:

WHAT? ok ok so

Step-by-step explanation:

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Math question please help

spin [16.1K]

The formula of a midpoint of the segment between the points

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

We have:

$(17,\ -11),\ (-14,\ -16)$

Substitute:

$M\left(\dfrac{17+(-14)}{2},\ \dfrac{-11+(-16)}{2}\right)\to M\left(\dfrac{3}{2},\ \dfrac{-27}{2}\right)$

<h2>Answer: B.</h2>

8 0

3 years ago

Alistair has a rectangular picture measuring 8 inches by 7 inches. He makes a frame for the picture, shown by the shaded area in

sergey [27]

Let y be the length
x*y = 34 sq inches
7*8 = 56 sq inches

i’m not too sure could u show a pic of the diagram?

5 0

2 years ago

Can someone do it :) Simplify 5(x - 6).

sergeinik [125]

Answer:

5x - 30

Step-by-step explanation:

I used the distributive property and I think I got it.

5 0

3 years ago

Read 2 more answers

3. Solve the equation using square roots. If the equation has no real solution, write

noname [10]

3) x² - 121 = 0

x² = 121

x' = +√121

x' = 11

_______________

x'' = - √121

x'' = -11

Solution ⇒ S{-11 ; 11 } or (x-11)(x+11)

4) 4x² + 144 = 0

4x² = -144

x² = -144 / 4

x² = -36

x = √-36

No solution ⇒ S = ∅

5) z²+10z+21 = 0

Δ = 10² - 4(1)(21)

Δ = 100 - 84

Δ = 16

x' = (-10+4) / 2 = -6/2 = -3

x'' = (-10-4) / 2 = -14/2 = -7

Solution ⇒ S{ -7 ; -3} or (x+3)(x+7)

4 0

3 years ago

Help me please I don't understand

Arturiano [62]

Step-by-step explanation:

hope this helps you out with the problems

3 0

3 years ago