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3 years ago

Why is 8.8 classified as a rational number

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

7 0

Answer:

8.8 is classified as a rational number because it can be written as a fraction, which would be 44/5.

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While shopping, Dawn finds a backpack that she likes on the sale rack. Its original price is $60,

Nadya [2.5K]

No. Because 33 $ is the money deducted from the 60 $. Dawn bought everything for less than 60 $.

So, if Dawn purchases everything on the rack with a 30% discount and 15% coupon the total will indeed make 45%.

We have to take 100% - 45%= 55% to know the reduction number. Let's proceed to the calculations now.

100%= 60 $

1%=60/100

55%= 60/100 × 55 = 33 $

Now NOTE; 33 $ is the money reduced from the 60 $. So, logically, 33 $ isn't the amount which Dawn purchased the whole rack. 

To find the amount at which she purchased everything, we need to do,

60 $ - 33 $ = 27 $

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Explain how proving two triangles congruent can help prove parts of the triangle congruent.

Ierofanga [76]

You can use the CPCTC (Corresponding Parts of Congruent Triangles are Congruent) property. This means that when two triangles are congruent, all the corresponding parts are congruent to each other.

Have an awesome day! :)

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3 years ago

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How do you solve 2a - 5 = -3a ?

spayn [35]

-2a from both sides then divide by -5 and a=1

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3 years ago

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Solve the inequality and graph the solution.

Fofino [41]

Answer:

Step-by-step explanation:

5w - 8 ≥ 2

5w ≥ 10

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closed circle at 2 going to the right

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2 years ago

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Find the least number which must be added to 6203 to obtain a perfect square.

andrey2020 [161]

Answer:

Step-by-step explanation:

---------

7 | 62 03

----------

148 | 13 03

11 84

-----------

78^2 = 6084.

We observe that 78^2 < 6203.

79^2 = 6241.

We observe that 79^2 > 6203.

Hence the number to be added to 6203 is 6241 - 6203 = 38.

6203 + 38 = 3241

= 79 * 79

= 79.

Therefore 38 should be added to 6203 to obtain a perfect square.

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3 years ago