MATHEMATICS HIGH SCHOOL

You spin the spinner twice.9
What is the probability of landing on an 8 and then landing on a 9?
Write your answer as a fraction or whole number.
Submit

Answers

Answer 1
Answer:

Answer:the Answer is 1/9

Step-by-step explanation:

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The pair of points (6,y) and (10,-1) lie on a line with a slope 1(over)4. What is the value of y?

Answers

The formula for Slope is m = (y_2 - y_1)/(x_2 - x_1) where m is the slope and the x's and y's are your given coordinates. So, plug the given information into the formula and solve for y.

m = (y_2 - y_1)/(x_2 - x_1)   Plug in the given values
(1)/(4) = (-1 - y)/(10 - 6)   Cross multiply
10 - 6 = -4 - 4y   Subtract
       4 = -4 - 4y   Add 4 to both sides
       8 = -4y        Divide both sides by -4
      -2 = y            Swich the sides to make it easier to read
       y = -2

Check your answer by plugging -2 back into the equation with the other values.

[tex] \frac{1}{4} [/tex] = (-1 - (-2))/(10 - 6)   Simplify the double negative
(1)/(4) = (-1 + 2)/(10 - 6)   Simplify the numerator and denominator
(1)/(4) = (1)/(4)

Since both sides equal each other, y = -2.
Use the formula to find the slope which is m= y2-y1 over x2-x2. The equation would look like 1/4= -1 -y over 10-6. First, you do the subtraction in the denominator and you get 4.  The equation would look like 1/4=-1-y over 4.

Then, you multiply the 4 to both side in order to get rid of the fraction from the equation. You would then have 1=-1-y. You add -1 to both side and you would have 2=-y. Since the variable cannot be negative, you divide -1 from both side and get -2=y. Therefore the answer is y=-2. 

Hope this helps.

3x + 6 - 6x + 6 < 0
Algebra

Answers

The answer is x>4, because -3x+12<0, -3x <-12, x> -12/-3, x> 12/3.

I really need help with a thing for math if yall can help I would appreciate it. If yall know this comment down below and tell me the answer

Answers

Answer:

27

Step-by-step explanation:

3/5of 45 is basically what you are looking for and it in itself is the equation you have to solve

3/5 is 3 divided by  and "of" is basically multiply by 45

3/5*45

.6*45

27

.16 with the 6 repeating to a fraction

Answers

The answer is


1/6









1/6

Domain and Range of a linear function

Answers

Answer:

domain is the lenght of the road (in miles)

range is the number of days

Step-by-step explanation:

domain is the input because there building the road that is the input because the number of days is the output (range) because that is what happens from working on the roads (the input) what come out is the days they worked on the road

Gracie, Mary, and Nancy each have a small collection of seashells. Gracie has 5 more than times the number of shells Mary has. Nancy has 1 more than times the number of shells Mary has. Gracie and Nancy have the same number of shells. If x is the number of shells Mary has, identify the equation that represents this situation and identify its solution.

Answers

First, let's name or variables. Let us name Gracie's number of seashells as G, Nancy's number of seashells as N and Mary's number of seashells is x. The first statement would give an algebraic expression of G = x + a5. The second statement gives N = x +b1. Also, G = N hence x +a5 = x + b1. Clearly, there are lacking values noted as a and b in the equation. Given a and b we can solve for x. 
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