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UNO [17]
3 years ago
6

You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost? Write and solve an equat

ion for e, the cost of one eraser. #3 please and if you can please answer the other questions to the bottom. Thank you!

Mathematics
2 answers:
Leto [7]3 years ago
6 0
5+4e=25

5+4*5=25

5+20=25

25=25
saul85 [17]3 years ago
5 0
25-5=20 
20/4=5
$5.00 for each eraser

$7.00 for each pizza
 
5 hours that she babysat for

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Use each set of line segments to sketch a triangle. If a triangle cannot be drawn, explain why.
melamori03 [73]
I don't think it can becauze of u count the squares and try 2 plan out the triangle u cant or i should say me i cant see a triangle being formed
8 0
4 years ago
The value of U.S exports to China increased from $1480 million in 2011 to $2768 million
aliya0001 [1]

The percentage of increase was 87.027... %

<em><u>Explanation</u></em>

The value of U.S exports to China increased from $1480 million to $2768 million.

Suppose, the percentage of increase is  x\%

So, <u>the amount of increase</u> = x\% of 1480 =1480*\frac{x}{100}=14.8x

Thus, the equation will be......

14.8x= 2768-1480\\ \\ 14.8x=1288\\ \\ x= \frac{1288}{14.8}=87.027....

So, the percentage of increase was 87.027... %

7 0
4 years ago
Which of the following is the difference of two squares
Roman55 [17]

Answer:

2nd option

Step-by-step explanation:

A difference of squares has the general form

a² - b²

where the terms on either side of the subtraction ( the difference ) are both perfect squares.

The only one fitting this description is

16a² - 4y²

= (4a)² - (2y)² ← difference of squares

7 0
2 years ago
Find the HCF of 27, 63, 54 using prime factorization method.
Step2247 [10]

Answer:

27 = 3 , 3, 3

63= 3 , 3, 7

54= 3 , 3, 3, 2

HCF OF 27, 63 AND 54 = 3 X 3 = 9

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7 0
3 years ago
Which of the following rational number between 3/7 and 7/8 ?
Charra [1.4K]

Answer:

Step-by-step explanation:

There are two ways to do this. You could use your calculator to find out the decimal numbers that are equivalent to the two given fractions. Then check which one of the givens falls between these two numbers. I wouldn't do it that way -- not when you are told that the answer has 56 as the denominator.  So ...

The best way to do it is to change the two givens so that they have a denominator of 56

3/7 = 3*8/7*8 = 24 / 56

7*7 / 7*8 = 49 / 46

So you need a number that is between 49 and 24

There is only one 27 / 56

6 0
3 years ago
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