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Aneli [31]
3 years ago
6

Pls help w 13 I rlly need help rn

Mathematics
1 answer:
Eduardwww [97]3 years ago
4 0

Answer:

the last one

Step-by-step explanation:

because it's true

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Which of these equations represent functions? Check all that apply.
netineya [11]
The answer to the question is D
7 0
3 years ago
Solve for q.<br><br> s = 4p + 4q solve the equation
Harlamova29_29 [7]

Answer:

q = \frac{s -4p}{4}\\

Step-by-step explanation:

s = 4p +4q \\ 4p +4q = s \\ 4p +4q -4p = s -4p \\ 4q = s - 4p \\ \frac{4q}{4} = \frac{s -4p}{4} \\ q = \frac{s -4p}{4}

4 0
3 years ago
Health club A charges $60 yearly enrollment fee and $2 per visit. Health club B charges $20 yearly enrollment fee and &amp;4 per
atroni [7]

Answer:

  20 visits

Step-by-step explanation:

The club that charges $40 more for enrollment charges $2 less per visit. The savings on visits is equal to the extra enrollment charge when the number of visits is 40/2 = 20.

For 20 visits, the cost at both clubs is the same.

__

If you let v represent the number of visits, ...

  A = 60 +2v . . . . cost at club A

  B = 20 +4v . . . . cost at club B

  A = B   ⇒   60 +2v = 20 +4v . . . . . . costs are the same for "v" visits

  40 = 2v . . . . . . . subtract 20+2v from both sides

  40/2 = v = 20 . . . . . . same as "word solution" above

7 0
3 years ago
Kevin is making us a call model of the Statue of Liberty which is 306 feet tall if the model is 1/10 of the actual statue of Lib
anastassius [24]

Model of Statue of Liberty is 30.6 feet tall.

<u>Step-by-step explanation:</u>

Given the Statue of Liberty is 306 feet tall. If the model is 1/10 the actual size of the Statue of Liberty.

Actual size of the statue = 306

Model is \frac{1}{10} of the actual size of the Statue of Liberty

Height of model = \frac{1}{10}  of the actual size

                           =  \frac{1}{10} * 306

                           =  30.6 feet

Model of Statue of Liberty is 30.6 feet tall.

6 0
3 years ago
Write an equation for the perpendicular bisector of the line segment joining the two points.
Leona [35]
Points (1, 7)  and  (-3, 2)

Slope for a line between (x₁, y₁) and (x₂, y₂) , m = (y₂ -y₁) / (x₂- x₁)

The slope for the line joining the two points =  (2 - 7) / (-3 - 1) = -5/-4

Slope = 5/4

Hence the perpendicular bisector would have a slope of -1/(5/4) = -4/5

By condition of perpendicularity

For points (1, 7)  and  (-3, 2),

Formula for midpoints for (x₁, y₁) and (x₂, y₂) is ((x₁ +x₂)/2 , (y₁+ y₂)/2)

Midpoint for (1, 7)  and  (-3, 2) = ((1+ -3)/2 , (7+2)/2) = (-2/2, 9/2)

= (-1, 9/2)

Since the slope of perpendicular bisector is -4/5 and passes through the midpoint (-1, 9/2)

Equation  y - y₁ = m (x - x₁)

                y - 9/2 = (-4/5) (x - -1)
           
                y - 9/2 = (-4/5)(x + 1)

               5(y - 9/2) = -4(x + 1)

               5y - 45/2 = -4x - 4

                 5y =  -4x - 4 + 45/2
           
                5y + 4x = 45/2 - 4

                  5y + 4x = 22  1/2  - 4 =  18 1/2

                  5y + 4x =  37/2

                  10y + 8x = 37

The equation of the line to perpendicular bisector is 10y + 8x = 37
7 0
3 years ago
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