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3 years ago

Rewrite the subtraction number sentence as an addition number sentence.5- (-2)

Mathematics

1 answer:

GrogVix [38]3 years ago

4 0

Answer:

5 + 2

Step-by-step explanation:

We have to rewrite the given statement in addition form.

The integers have property of:

Negative(-) Negative(-) = Positive(+)

Positive(+) Positive(+) = Positive(+)

Positive(+) Negative(-) = Negative(-)

Negative(-) Positive(+) = Negative(-)

The given statement is:

5-(-2)

Since we have two negative together, it is converted into a positive.

Thus, the given statement can be written in positive form as

5 + 2

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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)

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

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3 years ago

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bazaltina [42]

Answer:

Step-by-step explanation:

Add all of the numbers together then divide by 5

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3 years ago

Read 2 more answers

Rewrite the subtraction number sentence as an addition number sentence.5- (-2)​

Rewrite the subtraction number sentence as an addition number sentence.5- (-2)