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wel
4 years ago
6

I WILL MARK YOU BRAINLIEST!

Mathematics
1 answer:
vazorg [7]4 years ago
5 0
1) a bar over the number that is being repeated

2)rational numbers

3)rational numbers represented as decimals are repeating decimals.

4) a terminating decimal

5)like fractions

6)The lowest common multiple of the denominators of a set of fractions
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Find X- Y if X= 1/4 and Y= -X <br><br> A) 1/3<br> B) 1/2<br> C) -1/3<br> D)-1/2
77julia77 [94]

Answer:

Step-by-step explanation:

x = 1/4

y = -x = -1/4

x-y=\frac{1}{4}-(-\frac{1}{4})\\\\=\frac{1}{4}+\frac{1}{4}\\\\=\frac{1+1}{4}\\\\=\frac{2}{4}\\\\=\frac{1}{2}

6 0
3 years ago
G(n)=3n-1 <br> H(n)=n^2-3<br> Find (g*h)(-4)
IrinaVladis [17]

Answer:

Step-by-step explanation:

G(-4)=3(-4)-1=-13

H(-4)=(-4)^2-3=16-3=13

(G*H)(-4)=G(-4)*H(-4)=-13*13=-169

7 0
3 years ago
The price of an item has dropped to $63 today. Yesterday it was $140. What was the percentage decrease?
den301095 [7]

Given:

a.) The price of an item has dropped to $63 today.

b.) Yesterday it was $140.

For us to be able to determine the percentage decrease, we will be using the following formula:

\text{ Percentage Decrease = }\frac{\text{ Original Price - Present Price}}{\text{ Original Price}}\text{ x 100}

We get,

Original Price = $140

Present Price = $63

\text{ Percentage Decrease = }\frac{\text{ Original Price - Present Price}}{\text{ Original Price}}\text{ x 100}\text{ = }\frac{\text{ 140 - 63}}{\text{ 140}}\text{ X 100}\text{ = }\frac{77}{140}\text{ X 100}\text{ = }0.55\text{ x 100}\text{Percentage Decrease  = }55\text{\%}

Therefore, the decrease of the price in percentage is 55%.

4 0
2 years ago
Help urgently need help ​
gogolik [260]

Answer:

y=\dfrac{8}{7}x - \dfrac{23}{7}

Step-by-step explanation:

Rearranging the terms, we get 7y=8x-23. Dividing both sides by 7, we get \dfrac{7y}{7} = \dfrac{8x-23}{7}, so \boxed{y=\dfrac{8}{7}x - \dfrac{23}{7}}

6 0
2 years ago
Read 2 more answers
Solve for x -3(x-1)=3(4-x)-9
GuDViN [60]
Solving for x is easier if
First, remove the parenthesis.

-3(x-1) = 3(4-x)-9
-3x + 3 = 12 - 3x - 9

Next, group the numbers with x on the left side and the rest on the right side.

-3x + 3x = 12 - 9 - 3
0 = 0

So, x has no solution.
4 0
4 years ago
Read 2 more answers
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