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ss7ja [257]
3 years ago
6

don't ignore please answer cool tees is having a back to school sale where all t-shirts are discounted by 15%. joshua wants to b

uy five shirts: one costs $9.99, two costs $11.99 each, and two others cost $21.00 each. what is the total cost of the shirts including the discount?
Mathematics
1 answer:
Harrizon [31]3 years ago
8 0
9.99+11.99+11.99+21.00+21.00=75.97

  x     =     85
75.97      100        85*75.97=6457.45

100x=6457.45

6457.45/100= 64.5745
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Help me please with this thank you
Eddi Din [679]
I believe it is 4. I am not 100% sure
7 0
2 years ago
Write an equation in point-slope form of the line that passes through the point (9, 0) and has a slope of m=−3
Softa [21]

Answer:

y=-3(x-9)

Step-by-step explanation:

Point slope form is y-y1=m(x-x1)

x1=9

y1=0

m=-3

plug it all in!

y-0=-3(x-9)

y=-3(x-9)

Hope this helps!

7 0
3 years ago
The quotient of a number y and 2.<br> A. 2/y<br> B. 2(y)<br> C. 2 + y<br> D. y/2
Virty [35]

Answer:

The answer to your problem is B.

7 0
2 years ago
Need help with my homework ​
Volgvan

Answer:

\displaystyle y=\frac{16-9x^3}{2x^3 - 3}

\displaystyle y=-\frac{56}{13}

Step-by-step explanation:

<u>Equation Solving</u>

We are given the equation:

\displaystyle x=\sqrt[3]{\frac{3y+16}{2y+9}}

i)

To make y as a subject, we need to isolate y, that is, leaving it alone in the left side of the equation, and an expression with no y's to the right side.

We have to make it in steps like follows.

Cube both sides:

\displaystyle x^3=\left(\sqrt[3]{\frac{3y+16}{2y+9}}\right)^3

Simplify the radical with the cube:

\displaystyle x^3=\frac{3y+16}{2y+9}

Multiply by 2y+9

\displaystyle x^3(2y+9)=\frac{3y+16}{2y+9}(2y+9)

Simplify:

\displaystyle x^3(2y+9)=3y+16

Operate the parentheses:

\displaystyle x^3(2y)+x^3(9)=3y+16

\displaystyle 2x^3y+9x^3=3y+16

Subtract 3y and 9x^3:

\displaystyle 2x^3y - 3y=16-9x^3

Factor y out of the left side:

\displaystyle y(2x^3 - 3)=16-9x^3

Divide by 2x^3 - 3:

\mathbf{\displaystyle y=\frac{16-9x^3}{2x^3 - 3}}

ii) To find y when x=2, substitute:

\displaystyle y=\frac{16-9\cdot 2^3}{2\cdot 2^3 - 3}

\displaystyle y=\frac{16-9\cdot 8}{2\cdot 8 - 3}

\displaystyle y=\frac{16-72}{16- 3}

\displaystyle y=\frac{-56}{13}

\mathbf{\displaystyle y=-\frac{56}{13}}

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2 years ago
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WARRIOR [948]

Answer:

Fre sha vaca do

Step-by-step explanation:

fresh avocado.

8 0
3 years ago
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