You guys are life savers but does anyone know the answers to these questions? I’m so confused rn

Answers

Answer 1

Answer:

Answer:

The third choice

Step-by-step explanation:

We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be $(3)/(-1)$ , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.

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If 9 is subtracted from two-thirds of a number, the result is 7. find the number. the number is 3 the number is 10.67 the number is 24

Answers

2x/3 - 9 = 7

2x/3 = 16

2x = 48

x = 24

Please help with the math problem shown in the image

Answers

Answer would be b=.25,-.25

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x^2 + 3 = -4x

A. 1,3
B. -1,-3
C. 1,-3
D. -1, 3

Answers

Hello,

x²+4x+3=0
x=(-4-2)/2=-3 or x=(-4+2)/2=-1

Answer B (-1,-3)

What is the sum of all measures of the interior angles of a regular three-sided polygon?a. 100°
b. 150°
c. 180°
d. 360°

Answers

The sum of the interior angles of a polygon is:

180(n-2)

Where n is the number of sides. Therefore

180(1)
=180

So the interior angles add up to 180 degrees in a triangle.

The sum of the three angles inside a 3-sided polygon...
commonly referred to as a "triangle" ... is 180 degrees.

It doesn't matter whether the polygon is regular or not.
Any three sides make three angles that total 180 degrees.

Evaluate the expression. write answer without exponets

64 to the 1/2 power