X + 7/8 = 4 A.x = 4 7/8 B.x = 3 1/8 C.x = - 3 1/8 D.x = - 4 7/8

Answers

Answer 1
Answer: Simply solve for x to find the answer. 
x + 7/8 = 4Subtract 7/8 from both sides4 - 7/8 = 3.125	3.25 = xx= 3 1/8


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Roger completed a probability experiment with a coin. He flipped the coin 32 times, and it landed on tails eight times. He looked at the results of his experiment to determine the ratio of heads outcomes to tails outcomes. The ratio of heads to tails in simplified form is _ to _
can somebody help me plz :(

Answers

Answer:3:1

Step-by-step explanation:

Total number of times he flipped the coin =32 times

Out of the 32 times, the outcome of tails is 8 times

The outcome of heads will be

Total times- Tails outcome

32-8

=24 times

Tails outcome= 8 times

Heads outcome= 24 times

Ratio of heads to tails is

Total heads outcome/total tails outcome

=24/8

=3/1

Therefore ratio of heads to tails is 3:1

1 to 3

Since you know that he landed on tails 8 out of 32 times, he must have flipped heads for the flips he did not flip tails. So, subtract 32 minus 8, which equals 24, and your answer is 8 to 24. Simplify this like you would with a fraction; the greatest common factor is 8 so divide the "numerator" and the "denominator" by 8. Therefore your final answer is 1 to 3.

Consider the linear system of equations y=2/5x-1 and 2x-3y+1=0 graph the system of equations

Answers

We can see that the lines intersect at: (-5,-3)

Step-by-step explanation:

Given system of equations is:

y = (2)/(5)x-1\ \ \ \ Eqn1\n2x-3y+1 = 0\ \ \ \ Eqn2

Lets convert the second equation in the same form as the first equation

2x-3y+1 = 0

Adding 3y on both sides

2x-3y+1+3y = 0+3y\n2x+1 = 3y\n3y= 2x+1

Dividing both sides by 3

(3y)/(3) = (2x+1)/(3)\ny = (2)/(3)x+(1)/(3)\n

The graph of equation can be plotted using manual graphing or any online graphing calculator

We will use the Desmos online graphing calculator to graph the equations (Picture attached)

We can see that the lines intersect at: (-5,-3)

Keywords: Graphing, linear equations

Learn more about linear equations at:

#LearnwithBrainly

If each student gets 1/8 of a pizza at a
party and there are 5 pizzas, how many
students will be able to get a serving of
pizza?

Answers

Answer:

40 i believe

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

1/8 * 5

40

165 centimeters into inches

Answers

1 cm is . 39 of an inch so .39* 165 = 64.35 inches 

4 (2a+3b)(5x+y)
How many factors make up this product ?

Answers

Three factors: "4", "2a+3b" and "5x+y"

Ice Cream Sales and Earnings Number of Bars Sold (x) Total Earnings (y)(dollars) 0 50 1 52 2 54 3 56 Which equation best shows the relationship between x and y?

Answers

y = 2x + 50, 

It's easier to look at the first set of numbers and then make a formula from there. so we need x to be zero and y to be 50, which is why the formula listed works. 

Credit to lkudzma !!!

Awesome answer... Thanks for the help its greatly appreciated :]