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AVprozaik [17]
3 years ago
5

Evaluate −3(−10) . Is it positive 30?

Mathematics
2 answers:
Lelechka [254]3 years ago
7 0
Hi there meow, here is your answer:
-3•-10=30
A negative and a negative cancel each other out therefore making the 30 positive.
Tip: think of a negative as half of a positive, when you have two negatives, it forms a whole positive. -*-= +
kati45 [8]3 years ago
5 0
Yes because negative times a negative  equals a positive
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The sum of two numbers is 20 and their difference is 12.
Leno4ka [110]

Answer:

16 and 4

Step-by-step explanation:

x + y= 20

x -y =12

(add both equal #'s)

2x =32

x = 16

y=4

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3 years ago
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vazorg [7]

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I was at the store getting groceries I saw that there was a sell on bags of candy The original price was 4.00 dollars The sale is 1/2 off a bag of candy what is the new price.   The answer is 2.00 dollars.

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3 years ago
Someone help me please !!!
KIM [24]

Answer:

1. 10

2. 12

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Step-by-step explanation:

To find the missing side of a right triangle, use the Pythagorean Theorem. The Pythagorean Theorem is a^2+b^2=c^2 where a and b are the legs with a being the smallest and c is the hypotenuse.

1. a=6, b=8, c=?

6^2+8^2=c^2\\36+64=c^2\\100=c^2\\10=c

2. a=5, b=?, c=13

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4. a=2, b=?, c=7

2^2+b^2=7^2\\4+b^2=49\\49-4=b^2\\45=b^2\\\sqrt{45}=b

5 0
3 years ago
I need help on this :/
Phantasy [73]

3/5 both 12 and 20 can both be divided by 4

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Answer:

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Step-by-step explanation:

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