MATHEMATICS HIGH SCHOOL

Models sells right handed and left Handed baseball gloves in one month 12 gloves for a total revenue 528. Right gloves cost 48 and left handed cost 36 how many right handed gloves were sold.

Answers

Answer 1
Answer:

Answer:

8 Right handed gloves and 4 left handed gloves.

Step-by-step explanation:

Assumed the number of right handed gloves sold was x and the number of left handed gloves sold was y.

Given that 12 gloves were sold:

x + y = 12

x = 12 - y

Given that the total revenue made was 528:

48x + 36y = 528

Substitute x = 12 - y into 48x + 36y = 528:

48(12 - y) + 36y = 528

576 - 48y + 36y = 528

-12y = -48

y = 4

Substitute y = 4 into x = 12 - y:

x = 12 - 4 = 8

8 Right handed gloves and 4 left handed gloves.
Answer 2
Answer: 11 were sold. You do revenue 528 divided by cost of that glove (48) equals 11.

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What is the inverse of the function f(x) = 1/4x - 12?

Answers

Hello,

1) if the equation is
y=1/4 * x-12 then x=1/4 y-12==>1/4y=x+12==>y=x/4+3

2) if the equation is
y=1/(4x-12) then x=1/(4y-12)==>4y-12=1/x==>4y=1/x+12==>y=1/(4x)+3

What is sine squared x + cos squared x equal to

Answers

Sine squared x + cos squared x is equal to 1

Help please?If sin O = -sqrt3 over 2 and n < O < 3 pi over 2, what are the values of cos O and tan O?​

Answers

Answer:

  • cos(θ) = -1/2
  • tan(θ) = √3

Step-by-step explanation:

You know that ...

  • cos(θ)² = 1 - sin(θ)²
  • tan(θ) = sin(θ)/cos(θ)
  • cosine is negative in the third quadrant (where π < θ < 3π/2)

Using what you know about the relationships of these trig functions, you can find ...

  cos(θ)² = 1 - ((-√3)/2)² = 1 - 3/4 = 1/4

  cos(θ) = -1/2 . . . . . negative square root of 1/4

__

  tan(θ) = sin(θ)/cos(θ) = ((-√3)/2)/(-1/2)

  tan(θ) = √3

The equation of a line is y=2/3x+5. What is an equation of the line that is perpendicular to the given line and that passes through the point (4,2)?

Answers

The gradient of this line is 2/3 so the gradient of the perpendicular line is -3/2 (the two perpendicular gradients must multiply to get -1).

Using the formula y - y1 = m (x - x1):

y-2=-1.5(x+4)

This can be rearranged to:

2y-4=-3x-6
2y+3x=-2

Allie bought 8.75 yards of rope from Lowe's. The rope cost $2.49 per yard. What was the total cost of her rope to the nearest cent.

Answers

$2.49 x 8.75 = 21.7875
then round to the nearest cent = $21.79

hope this helps! reply if further explanation is needed :)

Graph the line using intercepts: 4x-3y=12

Answers

First you have to find the intercepts!

To find the y-intercept (I usually do that first), pretend x=0.
Then it becomes:
4(0)-3y=12
Which then becomes:
-3y=12.
Divide both sides, and y = -4.
Then the (x,y) coordinate would become (0, -4).

Next you would find the x-intercept, and pretend y = 0.
Which then becomes:
4x-3(0)=12
3x0 cancels out to become:
4x = 12
And x = 3 because division stuffs.
Then THIS point would then be (3,0).

So then, you would plot (0,-4) and (3,0) on a graph and connect the points! I attached a picture for reference.

hope that helped~
Graph the intercepts by assigning the balue to y or x then after u assign u will graph it. Since it is a linear equation it might be easier so it may be a  line not a parabola
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