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olya-2409 [2.1K]
3 years ago
5

How to do fractions Equations multiplication and division

Mathematics
2 answers:
anygoal [31]3 years ago
6 0
Add subtraction multiplication and division
makkiz [27]3 years ago
4 0
If you want to multiply fractions just multiply across for example 1/2 times 1/2
1x1=1
2x2= 4
The answer would be 1/4
For division it’s very similar
For example 1/1 divided by 1/2
Switch the sign divide by x
1/1 x 1/2
Then switch the second numbers numerator and denominator
1/1 x 2/1
=2/1
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5n+9=2n solve equation
julsineya [31]

5n+9=2n

5n+9−2n=2n−2n

3n+9=0

3n+9−9=0−9

3n=−9

3n/3=−9/3

n=−3

4 0
3 years ago
How many solutions does the equation have?
Lunna [17]
6x + 3 = 3 + 6x
0 = 0

many solutions

answer
infinitely many
6 0
3 years ago
The area of the poster is (x^2+2x-15) inches the width is (x-3) inches calculate the dimensions of the poster board when x=14
givi [52]

Answer:

The poster is 11 inches wide and 19 inches in height.

Step-by-step explanation:

We take the given equation: (x^2+2x-15) and we add in 14 as our x variable:

((14)^2+2(14)-15) the answer we get from that is 209. The area of the poster is 209 square inches. Then we find the width by taking (x-3) in this case x is 14 so the width of the poster is 11. In order to find the height we divide the height by the width and we get 19.

Therefore:

Height= 19 Inches

Width= 11 Inches

Total Area= 209 Square Inches

4 0
2 years ago
Write a linear equation in point-slope form to model the situation below:
Lilit [14]

Answer:

y - 14.95 = 18.075(x-1)

Step-by-step explanation:

If an internet company charges $14.95 per month and a setup fee, then we can say

1 month = $14.95

If the total cost for 9 months is $159.55

Then we can write both cases as a coordinate (1, 14.95) and (9,159.55)

The equation of a line in point slope form is expresses as

y-y0 = m(x-x0)

Find the slope m

m = 159.55-14.95/9-1

m = 144.6/8

m = 18.075

Substitute m = 18.075 and any of the coordinate in the equation to have;

Using the coordinate (1, 14.95)

y - 14.95 = 18.075(x-1)

Hence a linear equation in point-slope form that model the situation is y - 14.95 = 18.075(x-1)

3 0
3 years ago
On a coordinate plane, a straight line and a parallelogram are shown. The straight line has a negative slope and has a formula o
monitta

Answer:

(1,3)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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