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2 years ago

Which are the vertically opposite angles?

Mathematics

1 answer:

posledela2 years ago

5 0

Angle P and Angle W are vertically opposite angles
Angle R and Angle Q are supplementary angles
Angle P and Angle S are adjacent angles

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The difference between 3 times a number x and 2 is 19. What is the value of x?

Ber [7]

Answer:

the value of x is 7.

Step-by-step explanation:

2+19=21

21÷3=7

Check:

3×7=21

21-2=19

Therefore, 7 is the answer.

6 0

2 years ago

-5(x + 1) s 30. What is a possible value of x? help me pls

inn [45]

Answer:

the answer should be x= -7 hope this helps!

4 0

2 years ago

what is the slope-intercept form of the equation of a line that passes through (5, -4) and has a slope of 3/4?

Troyanec [42]

Y = mx + b
slope(m) = 3/4
(5,-4)...x = 5 and y = -4
now we sub
-4 = 3/4(5) + b
-4 = 15/4 + b
-4 - 15/4 = b
-16/4 - 15/4 = b
- 31/4 = b....or - 7 3/4 = b

so ur equation is : y = 3/4x + (-31/4) or y = 3/4x - 31/4

3 0

2 years ago

A line with a slope of 6 passes through the points (8,h) and (5,

LenaWriter [7]

$\bf (\stackrel{x_1}{8}~,~\stackrel{y_1}{h})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-8}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-8-h}{5-8}=6\implies \cfrac{-8-h}{-3}=6 \\\\\\ -8-h=-18\implies -8+18=h\implies 10=h$

7 0

2 years ago

Indicate all possible values for the variable in each of the expressions: sqrt(2x+2)+sqrt(6-4x)

IrinaK [193]

Answer:

Given expression:

$\sqrt{2x+2}+\sqrt{6-4x}$

The first root is valid when:

2x + 2 ≥ 0 ⇒ 2x ≥ - 2 ⇒ x ≥ - 1

The second root is valid when:

6 - 4x ≥ 0 ⇒ 4x ≤ 6 ⇒ x ≤ 1.5

So the variable x can get values within interval:

-1 ≤ x ≤ 1.5 or
x = [-1, 1.5]

3 0

2 years ago