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ASHA 777 [7]
3 years ago
11

What is

c{2}{4} " align="absmiddle" class="latex-formula">
plus
\frac{3}{5}
​
Mathematics
2 answers:
agasfer [191]3 years ago
8 0

Answer:

Step-by-step explanation:

2/4 + 3/5

LCM = 20

2/4 = 2*5/4*5 = 10/20

3/5 = 3*4/5*4 = 12/20

2/4 + 3/5 = 10/20 + 12/20   = 22/20

Archy [21]3 years ago
4 0

Answer: 24+35= 1 1/10

Solution with Steps

24+35=?

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(2/4, 3/5) = 20

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(24×55)+(35×44)=?

Complete the multiplication and the equation becomes

1020+1220=?

The two fractions now have like denominators so you can add the numerators.

Then:

10+1220=2220

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 22 and 20 using

GCF(22,20) = 2

22÷220÷2= 1 1/10

The fraction

1 1/10

is the same as

11÷10

Convert to a mixed number using

long division for 11 ÷ 10 = 1R1, so

1 1/10

Therefore:

24+35=1 1/10

Hope this helps!!! Good luck!!! ;)

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1. (10pts] Let A = {1, 2, 3, 4, 5}, let B = {1,4,5,7,8,9}, and let C = {2, 4, 6, 7,9}. Determine each of the following (a) An Bn
alisha [4.7K]

Answer and explanation:

Given : Let A = {1, 2, 3, 4, 5}, let B = {1,4,5,7,8,9}, and let C = {2, 4, 6, 7,9}.

To find : Determine each of the following,

a) (A\cap B)\cap C

b) (A\cup B)\cap (A\cup C)

c) A - (B\cup C)

d) (A-C) (C-A)

Solution :

The union of two sets is a new set that contains all of the elements that are in at least one of the two sets.

The intersection of two sets is a new set that contains all of the elements that are in both sets.

a) (A\cap B)\cap C

A\cap B=\{1,4,5\}

Then, (A\cap B)\cap C=\{4\}

b) (A\cup B)\cap (A\cup C)

A\cup B=\{1,2,3,4,5,7,8,9\}

A\cup C=\{1,2,3,4,5,7,9\}

(A\cup B)\cap (A\cup C)=\{1,2,3,4,5,7,9\}

c) A - (B\cup C)

B\cup C=\{1,2,4,5,6,7,8,9\}

A - (B\cup C)=\{3\}

d) (A-C) (C-A)

A-C=\{1,3,5\}

C-A=\{6,7,9\}

(A-C) (C-A)=\{1,3,5\}\times\{6,7,9\}

(A-C) (C-A)=\{(1,6),(1,7),(1,9),(3,6),(3,7),(3,9),(5,6),(5,7),(5,9)\}

5 0
3 years ago
Evaluate the expression when c=−4 and y=2 <br> -y+4c
laiz [17]

Answer:

-2 - 16 = -18

Step-by-step explanation:

-y+4c

You take the values for c and y and substitute them in the original equation.

It would then look like:

-(2) + 4(-4)

Solving that would be -2 -16 = -18

7 0
3 years ago
Read 2 more answers
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