MATHEMATICS HIGH SCHOOL

Find the slope and y-intercept of the line.
14x + 4y = 24

Answers

Answer 1
Answer: 14x+4y=24
4y=-14x+24
y=-7/2x+6
The slope is -7/2 and the y-intercept is 6.
Answer 2
Answer: y= 14/4x + 6 is the slope.. the slope itslef being 14/4 and the y intercept is 6

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A rollercoaster ride reaches a height of 80 feet before it sharply drops. The height above the ground of the rollercoaster car during the drop is modeled by the function, h(t)=10t2−40t+80 , where t is measured in seconds since the car started its decline. The model is accurate for 0≤t≤4 . On this portion of the ride, how long does the car take to reach a minimum height from the ground before rising again?
Which two statements are correct when simplifying this expression? −7(9x − 5)
What is the answer 3-5+3-6+7-23+67=?
If a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.
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Round 5.91 to nearest whole number

Answers

The nearest whole number would be 6. Because if you round 5.91 you are using the 9 and that will make the 5 a 6. and the rest of the numbers are no longer there or replaced with 0s

N to the first power divided by (n - r) to the first power

Answers

(n^1)/((n-r)^1)=(n)/(n-r)

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes the discriminant and the number of zeros? The equation has one zero because the discriminant is 1. The equation has one zero because the discriminant is a perfect square. The equation has two zeros because the discriminant is greater than 0. The equation has no zeros because the discriminant is not a perfect square.

Answers

The correct option is: The equation has two zeros because the discriminant is greater than 0.

Explanation:

First, remember the following conditions:
1. If the discriminant is less than zero, there will be no zeros.
2. If the discriminant is equal to zero, there will be one zero.
3. If the discriminant is greater than zero, there will be two zeros.

For the general equation of the form ax^2 + bx + c = 0, the discriminant is b^2 - 4ac.

Let's find the discriminant and then compare it with the conditions mentioned above.

Given Equation:
3x^2 -7x + 4 =0

a = 3, b = -7, c = 4

Now find the discriminant:

b^2 - 4ac
(-7)^2 - 4(3)(4)
Discriminant = 1

As the discriminant is greater than 0 (which in this case is 1), the equation has two zeros (as mentioned in the above conditions).  

Answer:

C on Ed!

Step-by-step explanation:

100% on the quiz :)

What is the slope (-4,20) (-10,-17)

Answers

Answer:

The slope is 37/6

Step-by-step explanation:

m= (y2-y1)/(x2-x1)

m= (-17-20)/(-10+4)

m= (-37)/(-6)

m= 37/6

Which one of the following numbers is a multiple of 8?A. 512
B. 98
C. 124
D. 27

Answers

A.512 because when you divide it by eight you get 64.
if you divide 512 by 8 you get 64 and 64 is a multiple of 8. so your answer is 512

Algebra one help please?

Answers


During the first hour . . .

5% of the 1,000 bacteria die.  At the end of the hour, 95% of them are left.

                                    95%  of  1,000  =  950

Then 100 are added :          950 + 100 = 1,050

1,050 bacteria swimming around in the soup as the second hour begins.

During the second hour . . .

5% of the 1,050 bacteria die.  At the end of the hour, 95% of them are left.

                                          95%  of  1,050  =  997.5

Then 100 are added :             997.5 + 100 = 1,097.5 . . . . . 1,098 rounded

===================================

Playing with this some more:

If the same process continues, and the result at the end of each hour
is rounded to the nearest whole number, then the number of bacteria
steadily increases, but only for 88 hours.  At the end of the 88th hour,
there are 1991 of the little critters, and after that, the population stays
constant at  1991.  That's because the 5% loss during each hour after
that is  (5% of 1,991) = 99.55 , which rounds to 100, and those are
replaced by the 100 new ones.


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