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3 years ago

How much will a bag of chips and drink cost you when you have a coupon for $.75 off a total price

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

8 0

I believe the answer would be 1.43

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50% of Jada's shirts have short sleeves. If she has 20 short-sleeved shirts, how many shirts does Jada have altogether?

Inessa05 [86]

Answer:

40 shirts

Step-by-step explanation:

if half of her shirts are short sleeved, then double that amount is the total shirts

8 0

3 years ago

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A used car dealership buys a car for $2800 and then sells it for $4500 what is the percent increase?

Murljashka [212]

Alright, so we have the difference = 4500-2800=1700. To find the percent increase, we do 1700/2800=around 0.61 = around 61% percent

3 0

3 years ago

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Where are the X intercept and Y intercept of the graph of y=1/3x-6

goldfiish [28.3K]

Answer:

x-int= (18,0), y-int= (0,-6)

8 0

3 years ago

X+y=2 and x+y=-1 solve by graphing please and show the solution

Sergeu [11.5K]

Answer:

The answer to your question is There is no solution, the lines are parallel.

Step-by-step explanation:

Data

Equation 1 x + y = 2

Equation 2 x + y = -1

Solve for y

Equation 1 y = -x +2

y = - x + 2

Equation 2 y = - x - 1

See the graph below

These lines do not cross, so there is no solution. They are parallel.

If the lines have crossed, there would be a solution.

6 0

3 years ago

(Please show all work) 1. Find f(6) if f(x)= 1/2x + x - 4

dsp73

Answer:

$\large\boxed{1.\ f(6)=5\ or\ f(6)=20}\\\boxed{2.\ d=5}\\\boxed{3.\ vertex=(-3,\ -1)}$

Step-by-step explanation:

$1.\\\text{Put x = 6 to the equation of a function}\ f(x):\\\\\text{If}\ f(x)=\dfrac{1}{2}x+x-4\to f(6)=\dfrac{1}{2}(6)+6-4=3+6-4=5\\\\\text{If}\ f(x)=\dfrac{1}{2}x^2+x-4\to f(6)=\dfrac{1}{2}(6^2)+6-4=\dfrac{1}{2}(36)+2=18+2=20\\\\2.\\\text{The formula of a distance between two points:}\\\\d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\\text{We have the points (2, -4) and (5, -8). Substitute:}\\\\d=\sqrt{(5-2)^2+(-8-(-4))^2}=\sqrt{3^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5$

$3.\\\text{The vertex formula of a parabola:}\\\\y=a(x-h)^2+k\\\\(h,\ k)-vertex\\\\\text{We have}\ y=(x+3)^2-1=(x-(-3))^2-1\\\\\text{Therefore the vertex is:}\ (-3,\ -1).$

8 0

3 years ago