2 years ago

I need help please and thank you no links

Mathematics

1 answer:

Phantasy [73]2 years ago

8 0

Answer:

5x-15=2x+21

5x-2x=21+15

3x=36

x=12

b= 45°

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(-2) + (3 - 7)<br> (-1) * (-2)

valentinak56 [21]

Answer:

-6
2

Step-by-step explanation:

$( - 2) + ( 3 - 7)$

$- 2 + (3 - 7)$

$- 2 + - 4$

$- 2 - 4$

$\boxed{\green{ = - 6}}$

◇◇•◇◇

$( - 1) \times ( - 2)$

$1 \times 2$

$\boxed{\green{= 2}}$

4 0

2 years ago

HURRY PLEASE HELP ME? <br> WiLL GIvE brainliest.

solniwko [45]

Subtitute the pair (3,28) to x and y, if the result in right side is -8, then the pair is a solution to the equation

2x - y/2
= 2(3) - 28/2
= 6 - 14
= -8

The result is -8, so the pair (3,28) is a solution

3 0

2 years ago

8n-13=13-8n can someone answer with steps, please?

NARA [144]

Answer:

1.625

Step-by-step explanation:

Add 13 to both sides

8n = 26 - 8n

Add 8n to both sides

16n = 26

Divide both sides by 16

Your answer is 1.625

Hope I helped :)

Please consider Brainliest for me :)

(unless the other person does a better job)

(Which they probably will) :)

4 0

2 years ago

a quadrilateral has angles measuring 105 degrees, 80 degrees, and 45 degrees what is the measure of the 4th angle

Bond [772]

Answer: 130 degrees

Step-by-step explanation:

105+80+45+x=360

230+x=360

-230 both sides

X=130 degrees

6 0

2 years ago

A) Find the distance of line segment PR. Round answer to the nearest tenth. B) Find the distance around the park (perimeter).

juin [17]

Answer:

A. $PR = 80.6 yd$

B. Perimeter = 190.6 yd

Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

$PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}$

$PR = \sqrt{(70)^2 + (-40)^2}$

$PR = \sqrt{4,900 + 1,600}$

$PR = \sqrt{6,500}$

$PR = 80.6 yd$ (nearest tenth)

B. Distance around the park = Perimeter = PR + PQ + QR

PR = 80.6 yd

PQ = |50 - 10| = 40 yd

QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

Perimeter = 190.6 yd

7 0

2 years ago