MATHEMATICS HIGH SCHOOL

Round the answer to the nearest cent.

A 30% discount on $47.50 is $

Answers

Answer 1
Answer: Let's find out how much is the 30% discount to 47.50 dollars.
=> 30% = 30% /100 = .30
Now, multiply this decimal to the given amount in dollars.
=> 47.50 dollars * .30 = 14.25 dollars
Thus the 30% discount of 47.50 dollars is 14.25 dollars.

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How many solutions does this system have?2x + y = 3
6x = 9 – 3y
A) 1
B) None
C) Infinite
D) 2

Answers

All you have to do is solve it to know
y=3-2x 
6x=9-3(3-2x) 
6x=9-9+6x 
0x=0 
so the answer is: infinite solutions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hope that helped!
1 solution because it is parallel 

You pay $947.60 a year in car insurance. the insurance is paid in four equal payments. Find the amount of each payment.

Answers

Answer:

$236.90

Step-by-step explanation:

947.60 / 4 = 236.90

Solve x2 + 5x + 6 = 0

Answers

Answer:

Use the quadratic formula

   =−±2−4√2

x=−b±b2−4ac2ax=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}x=2a−b±b2−4ac

   ​​

   Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

   2+5+6=0

   x2+5x+6=0x^{2}+5x+6=0x2+5x+6=0

   =1

   a=1a={\color{#c92786}{1}}a=1

   =5

   b=5b={\color{#e8710a}{5}}b=5

   =6

   c=6c={\color{#129eaf}{6}}c=6

=−5±52−4⋅1⋅6√2⋅1

2

Simplify

3

Separate the equations

4

Solve

Solution

=−2=−3

Step-by-step explanation:

Answer:

x= - 2 or x = - 3

Step-by-step explanation:

x^(2) +5x+6=0\nFactorise\n(x^(2) +3x)(+2x+6)=0\nx(x+3)+2(x+3)=0\n(x+2)(x+3)=0\nx+2 = 0 or x+3=0\nx=-2 or x=-3

I am stuck today

Show your work :)

Answers

1.) Class B has a greater score than Class A since B has a greater IGN than A.

2.) Class B is scores are spread out more. 

two angles are supplementary the first angle measures 40 degrees what is the measurement of the second angle

Answers

Supplementary angles add up to 180
40+x=180
x=140
The answer would be 160

Iain serves 3 cups of coffee every 4 minutes.

Answers

Answer:

but how many people does she serve
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