What's the answer to 45/9

Answers

Answer 1

Answer: It's 5.. if you're dividing those two from each other

Answer 2

Answer: ITS FIVE (5) NINE TIMES FIVE IS FOURTY-FIVE

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For every 6 boys there are 8 girls. Write the ratio of boys to girls in simplest form.

Answers

The ratio of boys to girls is 3:4.

3:4 all you have to do to get it in simplest form is find their biggest commen factor which is 2 then 6÷2=3. And then do 8÷2=4 that is how I got 3:4

What is 1 6/7 -1 4/11

Answers

Convert both numbers to improper fractions, and to do that, multiply the denominator and whole number, and add the numerator.

If done correctly, you should get 13/7 - 15/11.

Now, we have to find the LCM of both denominators.
77 is the LCM.

77 is the LCM.

You needed to multiply 7 by 11 to get 77, so multiply 13 by 11, too.
13 x 11 = 143
We get 143/77.

Do the same with the other fraction.
You needed to multiply 11 by 7 to get 77. So multiply 15 by 7.
15 x 7 = 105
We get 105/77

Now you can subtract.

143/77 - 105/77 = 38/77

LCD = 77
1 66/77 - 1 28/77= 38/77

PLEASE HELP I GIVE THANKS

Answers

Use A: to find the value of x. In order to find that you would have to match one part of the proportion. x should be the numerator over 15 and 12 should be over 20 (The total length of that side of the triangle). Good luck. : )

PLEASE HELPA yearbook printer charges based on the number of pages printed. Here is a table that shows the cost of some recent yearbooks.

Number of pages 50 100 150 200
Cost 1.55 2.25 2.95 3.65

Which equation gives the cost, y, in terms of the number of pages, x?

A.

y = 0.014x + 49.15

B.

y = 0.014x + 1.55

C.

y = 0.014x + 0.85

D.

y = 58.8x + 0.85

Answers

First, you have to find the slope.
(3.65 -2.95 )/ (200-150) =m
And then you use like the point-slop form, you can just take a random point and plug it into the equation and solve.
For example, y-3.65= 0.014 (x-200) and you distribute 0.013x-2.8=y-3.65
Add 3.65 on both sides
y=0.014x +0.85

Sorry if this was confusing.. D:

C. if you plug the x and y values in the equation balances out and both sides are equal :)

The probability that james will win two races in the next two days is 1/8 for tomorrow and 1/10 for the day after tomorrow. What is P(win tomorrow, then win the day after tomorroww)?

Answers

Answer:

$\text{P(win tomorrow, then win the day after tomorrow)}=(1)/(80)[\tex]Step-by-step explanation:Given : The probability that James will win two races in the next two days is 1/8 for tomorrow and 1/10 for the day after tomorrow.To find : What is P(win tomorrow, then win the day after tomorrow)?Solution :Probability of winning two races in the next two days isFor tomorrow - [tex](1)/(8)$

For day after tomorrow - $(1)/(10)$

According to question :

Probability of win tomorrow, then win the day after tomorrow is given by multiple of probability of tomorrow and day after tomorrow.

i.e,

$\text{P(win tomorrow, then win the day after tomorrow)}=\text{P(tomorrow)}* \text{P(day after tomorrow)}$

$\text{P(win tomorrow, then win the day after tomorrow)}=(1)/(8)* (1)/(10)$

$\text{P(win tomorrow, then win the day after tomorrow)}=(1)/(80)$

1/80 because 1/8 times 1/10 equals 1/89

sonya can walk 12 kilometers in 4 hours. If she has to walk 15 kilometers, how much time will it take her?

Answers

First, We Should Find The Unit Rate...
12 kilometers
------------------
4 hours
We Need To Simplify. 12/4 Can Be Simplified To 3/1. So, 3 kilometers/1 hour is the unit rate. Now, We Need To Change It To 15/X.
15 3
---- = ----
X 1
Solve For X. To Solve, Multiply Means And Extremes. The Equation Becomes:
3X = 15*1.
Simplify.
3x = 15.
Now, Divide Both Sides By 3.
X = 15/3.
15/3 = 5.
X = 5.
So, Sonya Can Walk 15 Kilometers In 5 Hours. :D

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