MATHEMATICS HIGH SCHOOL

What is the solution to the following equation?5(2x − 6) + 20 = 10

9

5

3

2

Answers

Answer 1
Answer: first you distribute the five making it 10x-30+20=10 
second you combine like terms making it 10x-10=10
third you isolate the variable making it 10x=20
Finally you divide both terms by ten giving you x=2 as your answer. 
Answer 2
Answer:

Answer:The answer is D: 2

Step-by-step explanation:

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!Factor x^2 + 2x - 15.A) (x - 5)(x + 3) B) (x - 5)(x - 3) C) (x + 5)(x + 3) D) (x + 5)(x - 3)
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The average depth of the ocean is about 3.8 km.width of 7600 km. calculate the ratio depth:width?

Answers

a ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio 
depth is 3.8km
width is 7600km
ratio is 3.8:7600

Peter buys tickets for his family to see his favorite movie, Elephant Mistake. He pays$37.50 for 2 adult tickets and 2 student tickets. The next week he goes back with
his friends and pays $35.25 for 1 adult ticket and 3 student tickets. Choose the
system of equations that can be solved to find the price of an adult ticket, a, and
the price of a student ticket, y.

Answers

2a + 2s = 37.50

a + 3s = 35.25

-2a - 6s = -70.50

-4s = -33.00

s = 8.25

2a + 2(8.25) = 37.50

2a + 16.50 = 37.50

2a = 21.00

a = 10.50

The answer is one adult ticket costs $10.50 and one student ticket costs $8.25.

What two numbers add up to 1 but multiply to -2

Answers

Negative 1 and positive 2 will add up to 1 and will multiply to -2.

-1 + 2 =  1

-1 * 2 = -2

The two numbers are -1 and 2.

If one of the zeros of 3x^2+5x+γ=0 is 4 times the other, then find the zero and value of k

Answers

Answer:

Step-by-step explanation:

Let α be one of the zeros of the polynomial.

Other = 4α

α + 4α = - Coefficient of x / Coefficient of x² = -5/3

5α = -5/3

α = -5/3*5

α = -1/3

α * 4α = Constant term/Coefficient of x²

4α² = k / 3

4*((-1)/(3))^(2)=(k)/(3)\n\n4*(1)/(9)=(k)/(3)\n\n4*(1)/(9)*3=k\n\n4*(1)/(3)=k\n\nk=(4)/(3)

Kurt cut pizzasinto wedges measuring 40 degrees. I feach person eats one piece of pizza how many people could he feed with two whole pizzas

Answers

the whole pizza is 360°. Each slice is 40°. You divide 360° by 40°. Your answer should by 9 wedges. Multiply 9 by 2 and you have your answer.

Can someone plz help me Solve this Equation Solve for X

Answers

Answer:

x = 4

Step-by-step explanation:

If two secants are drawn to a circle from one exterior point, then the product of the exterior segment and whole segment is same. i.e 6×(6+x) = 5×(5+x+3)

=> 6x+36 = 5x + 15 +25

=> x = 40-36

=> x = 4

I hope it's the right answer.

Answer:

x = 4

Step-by-step explanation:

Given 2 secants drawn to a circle from an external point, then

The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant, that is

6(6 + x) = 5(5 + x + 3), that is

36 + 6x = 5(8 + x) = 40 + 5x ( subtract 5x from both sides )

36 + x = 40 ( subtract 36 from both sides )

x = 4
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20 is 12.5$ of what number?
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