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katrin2010 [14]
3 years ago
6

What is the answer for the problem 3/4-1/3

Mathematics
2 answers:
lina2011 [118]3 years ago
8 0
It is 5/12
You have to make the denominators equal so 3/4 * 3 ( multiply 3 on top and bottom) = 9/12
1/3 * 4 = 4/12
9/12 - 4/12 = 5/12
madam [21]3 years ago
3 0
Answer = 5/12

You need to make the denominator the same for both fractions to find the answer.
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A suit that sells for $300 in on sale of $240. Find the discount rate.
Gemiola [76]

Answer:

20% discount

Step-by-step explanation:

300 - 240 = 60

60 / 300 = 0.20

0.20 × 100 = 20

3 0
2 years ago
Three rock climbers started a climb with each person carrying 7.8 kilograms of climbing equipment. A fourth climber with no equi
d1i1m1o1n [39]
5.85 kilograms a person
8 0
3 years ago
Can someone explain this I dont understand it
IrinaVladis [17]
Y = mx + b

m is your slope AKA rate of change
b is the y intercept.

from the graph we can see that the y intercept (b) is 15. (look at the y axis and see what point the line crosses on the y, here it is 15, in-between 10 and 20)

slope is rate of change. to figure this out remember slope = rise over run:

slope = \frac{rise}{run}

so pick two points. how much does one point rise after the other point you picked? In the graph it rises 1 square so rise = 1

Now looking at the same two points, how far away from each other are they on the x axis? Looking at the graph they are 2 squares away from each other. so run = 2

Now plug these numbers into the rise over run formula:

slope \: = \frac{1}{2}

Now we have everything we need to put into our formula for a line:

y = mx + b
y = \frac{1}{2} x + 18

For number 16 you should get:

y = \frac{1}{5} x + 3

after you do the same steps again yourself
8 0
3 years ago
Need help please <br>n ÷ 8 = 13 ​
coldgirl [10]

Answer:

n= 104

Step-by-step explanation:

hope dis helps <3 have a nice day .

3 0
3 years ago
Read 2 more answers
In this exercise, we are conducting many hypothesis tests to test a claim. Assume that the null hypothesis is true. If 400 tests
Brums [2.3K]

Answer:

Since the null hypothesis is true, finding the significance is a type I error.

The probability of the year I error = level of significance = 0.05.

so, the number of tests that will be incorrectly found significant is computed as follow: 0.05 * 100 = 5

Therefore, 5 tests will be incorrectly found significant given that the null hypothesis is true.

3 0
3 years ago
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