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Elena L [17]
3 years ago
7

Thirty is equal to twice a number decreased by four​

Mathematics
1 answer:
Assoli18 [71]3 years ago
5 0

Answer:

4-(2n)= 30

Step-by-step explanation:

N is 17

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I think the right triangle is on the top of the picture aisle that is the only one that look right to me
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3 years ago
Is 10−−√ greater than, less than, or equal to 5? Use the drop-down menus to explain your answer. Because 10 lies between two con
Ierofanga [76]

Answer:

\sqrt{10} < 5

Step-by-step explanation:

Given

\sqrt{10} ___ 5

Required

Fill in the gap

First, we need to solve \sqrt{10}

\sqrt{10}= 3.162

So:

\sqrt{10} ___ 5

becomes

3.162 ___ 5

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So, we can say that

\sqrt{10} lies between 3 and 4

Since:

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S is between B and C. True or false
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4 years ago
Read 2 more answers
Determine the correct answer to the following
Nataliya [291]

Answer:

(0,-2)

Step-by-step explanation:

one way to solve...

3x - y = 2 --> *4

-2x + 4y = -8

multiply the first equation by 4

12x - 4y = 8

-2x + 4y = -8

-----------------

10x = 0

x = 0

y = -2

this method is called elimination

another way to solve...

3x - y = 2 simplify for y to get y = 3x - 2

-2x + 4y = -8 substitute y into this equation to solve for x

-2x + 4(3x - 2) = -8

-2x + 12x - 8 = -8

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x = 0

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substitution

alsoo if there are options, just plug in the numbers to the correct variables

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2 years ago
Read 2 more answers
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zmey [24]

Step-by-step explanation:

2 x (16 + (10 + 3) - 3) - 22

2 x (16 + 13 - 3) - 22

2 x 26 - 22

2 x 4

= 8

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3 years ago
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