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vagabundo [1.1K]
3 years ago
5

9.

Mathematics
1 answer:
VMariaS [17]3 years ago
8 0

Answer

C) -8

Step-by-step explanation:

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Fractions and Decimals<br> Write each fraction as a decimal.<br> 4. //<br> 2/5
Ratling [72]

2/5 fraction as a decimal is 0.4.

Any number that is expressed as a fraction has two components, the numerator and the denominator. Typically, we divide the numerator by the denominator to convert a fractional number to decimal form. The formula p/q, where q=0, is used to denote fractions. While the decimal numbers, such as 7.575, are created by joining the entire number and fractional parts with a decimal point. 

There are two methods to convert fraction to decimal which are given below:

  • Long division method
  • By converting the denominator of the fraction into a power of 10

For 2/5

We will divide them as mentioned above,

2/5 = 0.4

Hence, 2/5 is equal to 0.4 in decimal form.

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brainly.com/question/10354322

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1 year ago
Last week a store sold laptops worth a total of 10,885$each laptop cost 1,555 how many laptops did the store sell last week
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4 years ago
Mrs. Boyer is shopping for school supplies with her children. Jesse selected 3 one-inch binders and 3 two-inch binders, which co
Alex73 [517]

Answer: the cost of 1 one-inch binder is $4

the cost of 1 three-inch binder is $7

Step-by-step explanation:

Let x represent the cost of 1 one-inch binder.

Let x represent the cost of 1 three-inch binder.

Jesse selected 3 one-inch binders and 3 two-inch binders, which cost a total of $33. This means that

3x + 3y = 33 - - - - - - - - - - 1

Luann selected 2 one-inch binders and 1 two-inch binder, which cost a total of $15. This means that

2x + y = 15 - - - - - - - - - - - 2

Multiplying equation 1 by 2 and equation 2 by 3, it becomes

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6x + 3y = 45

Subtracting, it becomes

3y = 21

y = 21/3 = 7

Substituting y = 7 into equation 2, it becomes

2x + 7 = 15

2x = 15 - 7 = 8

x = 8/2 = 4

3 0
4 years ago
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