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MAVERICK [17]
2 years ago
7

1)When adding two negative numbers, _________ the absolute value of the numbers and keep the negative sign.

Mathematics
2 answers:
Rashid [163]2 years ago
6 0

Answer:

1) add

2) subtract

3) change

4) -10

Step-by-step explanation:

hope it helps

butalik [34]2 years ago
4 0


1) add.

for example -1 + -2 = - (||-1| + |-2||), which is -(1+2) or -3


2) subtract

for example 4 + -7 = -(||-7| + |4||), which is - |7 - 4| or -3


3) change
for example 3 - (- 2) = 3 + 2


4) -10

the sum is -10.25, which is closest to -10

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Step-by-step explanation:

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3 years ago
DeSean is sorting his toy car collection. ⅔ of the cars are sports cars. ¼ of the remaining toys are pick up trucks. All of the
user100 [1]

Answer:

Fraction of fire trucks = \frac{1}{4}

Total number of toy cars = 16

Step-by-step explanation:

Fraction of sports car = \frac{2}{3}

Fraction of remaining cars =1-\frac{2}{3}=\frac{3-2}{3} =\frac{1}{3}

So,

Fraction of pick up cars = \frac{1}{4}(\frac{1}{3})=\frac{1}{12}

Therefore,

Fraction of fire trucks = \frac{1}{3}-\frac{1}{12}=\frac{4-1}{12}=\frac{3}{12}=\frac{1}{4}

That is Number of fire trucks = \frac{1}{4} ( Total number of toy cars )

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3 0
2 years ago
Write a number in each blank to complete each equation so that it has the requested number of solutions. a. Equation with no sol
Setler79 [48]

Answer:

The answer is  8x - 3x + 2 -x =<u> 4 </u>x + <u>2 </u> .

Step-by-step explanation:

Given:

8x - 3x + 2 -x = __ x + __

Now, to write a number in each blank to complete each equation so that it has the requested number of solutions.

So, to solve the equation:

8x-3x+2-x

So, we add  the variables:

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And, then subtract it:

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Thus, it remains:

4x-2.

So the complete equation is:

8x - 3x + 2 -x =<u> 4 </u>x + <u>2 </u>

Therefore, the answer is  8x - 3x + 2 -x =<u> 4 </u>x + <u>2 </u> .

<u />

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3 years ago
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mariarad [96]

Answer:

No, a regular pentagon does not tessellate.

In a tessellation, all the angles at a point have to add to 360 degrees, as this means there is no overlap, nor are there gaps. To find the interior angle sum of a pentagon, we use the following formula:

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We plug in the number of sides (5) and get:

Angle sum = (5–2)*180

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Regular pentagons have equal sides and equal angles, so to find the size of the interior angle of a pentagon, we divide the angle sum by 5 and get 108 degrees for every angle.

As I said before, the angles at a point need to add up to 360, so we need to know if 108 divides evenly into 360. If it does, the shape tessellates, and, if it doesn’t, the shape does not.

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This means that a regular pentagon does not tessellate.

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