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Nastasia [14]
3 years ago
8

Work out and simplify where possible a) 2/5+1/3 b) 5/9-1/2

Mathematics
1 answer:
Vlad1618 [11]3 years ago
5 0
The answer is
a) 11/15
b) 1/18
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PLEASE HELP ME AND THANK THIS QUESTION IS 100 POINTS
kolezko [41]

First pic

a. ΔMNK ≅ ΔRTP

b. TR ≅ NM

c. x = 7

3x - 1 = 20

3x = 20 + 1

3x = 21

x = 21 ÷ 3

x = 7

Second pic

SAS (Side-Angle-Side congruence)

SSS (Side-Side-Side)

Hope this helps

7 0
3 years ago
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Please Help ! Will Reward Brainliest
pychu [463]

I think 42

would be the best answer to your question in my opininon.


7 0
3 years ago
How are fractions divided the right way?
Lady_Fox [76]

You would keep the first fraction the same , turn the division sign into a multiplication sign , and flip the 2nd fraction upside down.


10/14 ÷ 7/16


10/14 x 16/7= 80/49 = 1 31/49

8 0
2 years ago
Whats the answer to these? (These are called Proper fractions.)
Darya [45]

Answer to the first question: 7/10ths of a mile

Explaination: When adding fractions, you need to have a common denominator. Since dividing 3/10 by 2 to get a denominator of 5 makes 3 a decimal, it's easier to multiply 2/5 by 2 to get a denominator of 10. You do the same to the top that you do to the bottom: \frac{2*2}{5*2} = \frac{4}{10}. From there, just add 4/10 and 3/10 to get the answer: 7/10ths of a mile.

Answer to the second question: Daniel read three (3/10) more books

Explaination: Since you can't evenly multiply 5 or 2 to get the opposite number, it's easier to multiply to the lowest common multiple. The easiest way to find that is to multiply both denominators (5*2=10). You'll have to multiply the numerator by the same amount you multipled the denominator by. For Daniel, that would mean: \frac{4*2}{5*2} = \frac{8}{10}. For Edgar, that would mean: \frac{1*5}{2*5} = \frac{5}{10}. So, Daniel read 3 more books than Edgar.

Answer to the third question: 2/4 mile (or 1/2 a mile)

Explaination: 2/8 can be simplified, by dividing the top and bottom by 2, resulting in 1/4. Since both fractions have the same denominator (/4), you can add them to get 2/4ths. This can be simplified further to half (1/2) a mile.

5 0
3 years ago
Read 2 more answers
PLEASE HELP!! 50 POINTS!!!!!
OLEGan [10]

Answer:

3\2 is the marked

y cos x,=2

3\2=0.5

x=0.5*2=3.0

=3.0*2=6.0

6 0
2 years ago
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