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Mashutka [201]
3 years ago
6

Subtracting by adding up 65-39

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

<h2>26</h2>

Step-by-step explanation:

In order to subtract by adding up 65-39, we need to add -39 to the value of 65. This can be rewritten in this way;

65+(-39)

The equation above is similar to the one given because the product of a minus and a plus sign will still give us back a minus sign.

on solving;

65+(-39) = 26

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Which expression is equivalent to 2(3 - x) - 12 + 4x?<br> 2x - 6<br> 3х - 6<br> 3x-7<br> 2x - 7
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Answer:

2x - 6

Step-by-step explanation:

2(3 - x) - 12 + 4x =

6 - 2x - 12 + 4x =

-6 + 2x =

2x - 6

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2 years ago
Find the circumference.<br> Use 3.14 for T.<br> T=pie<br> r = 2 m<br> C = [?] m<br> C= Td
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3 0
2 years ago
Help me asap please!!!
Artemon [7]
Well, just by looking at the beginning of the problem, Jamelia had made the common mistake of thinking that 
\sqrt{72} (<span>8.4852...)
</span>is equal to 
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If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.

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5 0
3 years ago
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Dahasolnce [82]

Answer:

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Step-by-step explanation:

8 0
2 years ago
Can someone help me with number 8 please? Thank you.
Naddik [55]
Answer: -4 \le x \le 5
Note: to write the domain in interval notation, you'd write [-4,5]
if you need the domain in set-builder notation, then you'd write \left\{x|x\in\mathbb{R}, \ -4\le x\le 5\right\}

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

Explanation:

The domain is the set of possible x input values. Look at the left most point (-4,-1). The x coordinate here is x = -4. This is the smallest x value allowed. The largest x value allowed is x = 5 for similar reasons, but on the other side of the graph.

So that's how I got -4 \le x \le 5 (x is between -4 and 5; inclusive of both endpoints)

Writing [-4,5] for interval notation tells us that we have an interval from -4 to 5 and we include both endpoints. The square brackets mean "include endpoint"

Writing \left\{x|x\in\mathbb{R}, \ -4\le x\le 5\right\} is the set-builder notation way of expressing the domain. The x\in\mathbb{R} portion means "x is a real number"

6 0
3 years ago
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