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Lady bird [3.3K]
3 years ago
14

I have to use mental math to solve everything and I'm only in 5th grade and I confused ‍♀️ also I don know what to do

Mathematics
2 answers:
Keith_Richards [23]3 years ago
5 0

Answer:

can you type the question? my chromebook wont show me the link

Step-by-step explanation:

kenny6666 [7]3 years ago
3 0

Answer:

B: 287

D: 300

Step-by-step explanation:

D

d is certainly a lot easier than b.  Start by understanding that 12 = 6 + 6 which you should be able to handle in your head.

6 * 25 + 6*25

150 + 150

300

This is a prized skill. You should practice it all the time. It leads to estimation which is something you should try to do in any math class you take.

B

How about 10 twenty-sixes + 1 twenty-six. Let's see how that works out.

10* 26 + 26

260 + 26

286   You should check to see if that works. Notice that the 2 and the 6 add to 8 which is what they should do if you are multiplying by 11. The end numbers add to the middle one for 3 digits. It get's a little messy when the end two number add to something greater than 10, but that's another story.


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Answer:

The correct option is `(y −4) = -(4)/(3) (x +3) ..

Step-by-step explanation:

Look at the attached picture:

The points we have given are (-3, 4) and (3, -4)

Find the slope by applying the formula:

m = y2-y1/x2-x1

Here x1= -3

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Now put the values in the formula:

m = -4 -4 /3 -(-3)

m = -8/3+3

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Now cancel the term by table of 2

m = -4/3

When two points are given, the equation of the line is

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y-4 =  -4/3 (x+3)

Thus the correct option is `(y −4) = -(4)/(3) (x +3) ....

4 0
3 years ago
What is the area of the shaded base?
mezya [45]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
I don't understand any recursive sequences please help explain so
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<h3>How to interpret reflection of a function?</h3>

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Umnica [9.8K]
I would go with the answer B
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