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Nezavi [6.7K]
3 years ago
10

Does anyone from 7th grade and higher know this

Mathematics
1 answer:
zepelin [54]3 years ago
6 0
We can combine thos fraction ssince same denomenator
\frac{3y}{7}+ \frac{1}{7}= \frac{3y+1}{7}

so
\frac{3y+1}{7}= \frac{3}{7}

times both sides by 7
3y+1=3
minus 1 both sides
3y=2
divide both sides by 3
y=2/3
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What is the measure of m?<br> 5<br> 15<br> E<br> n<br> m = [?]
AlekseyPX
<h3>Answer:  10</h3>

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

Explanation:

The two smaller triangles are proportional, which lets us set up this equation

5/n = n/15

Cross multiplying leads to

5*15 = n*n

n^2 = 75

----------

Apply the pythagorean theorem on the smaller triangle on top, or on the right.

a^2+b^2 = c^2

5^2+n^2 = m^2

25+75 = m^2

100 = m^2

m^2 = 100

m = sqrt(100)

m = 10

7 0
2 years ago
In a + b, if b is divisible by n, is a + b divisible by n?
levacccp [35]

Answer:

Step-by-step explanation:

I think the answer should be no because only b is divisible by n not a

3 0
2 years ago
There are 5 boys and 10 girls in the glee club. Which ratio represents the number of boys in the club to the total number of stu
Misha Larkins [42]

Answer:

2:1

Step-by-step explanation:

If you that this would be 10:5 you would be half correct

Solution:

No. of boys in glee club:No.of girl in glee club

10:5

(divided by the table of on both sides)

2:1

5 0
3 years ago
Read 2 more answers
What is the mean, median, mode, and range of 8, 35, 10, 12, 14?
Ivan

answer:

mean: 15.8

median: 12

mode: no mode

range: 27

step-by-step explanation:

  • first know how to find each of the above and what they are
  • mean = (avg) add all the numbers, then divide by the number of numbers
  • median = the middle number from increasing order
  • mode = the one that repeats the most
  • range = the difference between the largest and smallest number

8, 35, 10, 12, 14

<u>mean</u>

8 + 35 + 10 + 12 + 14 = 79

  • there are five numbers

79 / 5 = 15.8

<u>median</u>

  • put them from smallest to largest

8, 10, 12, 14, 35

  • 12 is the median OR the middle number

<u>mode</u>

  • no number repeat, so no mode

<u>range</u>

35 - 8 = 27

3 0
2 years ago
Please help is due at 8:00 pm
tester [92]

Answer:

Answer is C

Step-by-step explanation:

Please mark brainliest if I helped!

3 0
3 years ago
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