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Zolol [24]
2 years ago
11

4+(-4)=0 what property is this?

Mathematics
1 answer:
Llana [10]2 years ago
7 0

Answer:

Zero property

Step-by-step explanation:

We are making a equation equal 0

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0.8 is it at rational number <br> ___<br> 2
Alina [70]

Answer:

0.8 is an ineteger of two values so YES it is a RATIONAL number

Step-by-step explanation:

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2 years ago
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Jill had a certain amount of money. she spent 15$ downloading new songs. she has 2/5 of the original amount left. how much money
Lostsunrise [7]
Let's call the original amount of money x.

We know that she has 2/5 of the original amount left, and that this is equal to $15.

Therefore, 2/5(x) = 15, and x = $37.50.
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3 years ago
What is the value of r to the nearest tenth?
Tatiana [17]

Answer:

Hence r=10.3 cms (rounded to tenth place)

Step-by-step explanation:

In Triangle KLN ,

KN = 5 Cms

LN = ½ of LM

As the Perpendicular dropped from the center to the chord bisects it.

LM = 18 cm

LN = 9 cm

Now we have to find r or KL

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The formula is given as

c=\sqrt{a^2+b^2}

Where c = r

a=5

b=9

Putting them in the formula

r=\sqrt{5^2+9^2}

r=\sqrt{25+81}

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3 years ago
In Class 1, what is the median score? A) 70 B) 70.5 C) 71.5 D) 72
evablogger [386]

Answer:

B)  70.5

Step-by-step explanation:

Median = middle value when the values are placed in order.

If there are two middle values, the median is the mean of those two values.

<u>Class 1</u>

45 46 51 52 53 53 61 63 64 65 66 68 70 <u>70 71</u> 73 76 77 79 81 82 83 84 87 90 92 93 95

There are 28 values in Class 1.

Therefore, there are two middle values: 14th and 15th values

14th value = 70

15th value = 71

\implies \textsf{Median}=\dfrac{70+71}{2}=70.5

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Answer:

The answer is the third selection

Step-by-step explanation:

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