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3 years ago

Which correctly explains how to estimate 55 percent of 64?

Mathematics

2 answers:

Studentka2010 [4]3 years ago

5 0

Answer:

i wanna say b

Step-by-step explanation:

bagirrra123 [75]3 years ago

3 0

Answer:

Step-by-step explanation:

because i ate hamburger

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The answer would be a

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3 years ago

I need help on 2,4,12 and 50 please

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3 years ago

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What's the steps used to solve modeling problems in the correct order

Stolb23 [73]

Answer:

see below

Step-by-step explanation:

The first step is to read the problem

Then you need to make a plan

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Then evaluate the answer to see if it makes sense

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3 years ago

Which of the tables represents a function ? Table P 8,3 1,7 5,4 Table Q 9,3 9,5 4,2. Table R 7,2 8,6 7,3. Table S 1,7 1,5 9,2 Ta

babymother [125]

Table P because it is a one-to-one relation.

The other 3 are one-to-many relations (eg table Q maps 9 on to 3 and 9 on to 5)

8 0

3 years ago

Please help

ASHA 777 [7]

Answer:

(-6,4)

Step-by-step explanation:

The equations are:

$x^2+4y^2=100\\4y-x^2=-20$

Solving for x^2 of the 2nd equation and putting that in place of x^2 in the 2nd equation we have:

$4y-x^2=-20\\x^2=4y+20\\-------\\x^2+4y^2=100\\4y+20+4y^2=100$

Now we can solve for y:

$4y+20+4y^2=100\\4y^2+4y-80=0\\y^2+y-20=0\\(y+5)(y-4)=0\\y=4,-5$

So plugging in y = 4 into an equation and solving for x, we have:

$x^2=4y+20\\x=+-\sqrt{4y+20} \\x=+-\sqrt{4(4)+20} \\x=+-\sqrt{36} \\x=6,-6$

So y = 4 corresponds to x = 6 & x = -6

The pairs would be

(6,4) & (-6,4)

<u><em>we see that (-6,4) falls in the 2nd quadrant, thus this is the solution we are looking for.</em></u>

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3 years ago