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3 years ago

These numbers are either whole numbers ,or negative of whole numbers ,they are called __

Mathematics

2 answers:

Stolb23 [73]3 years ago

8 0

Answer:

Intergers

Step-by-step explanation:

Intergers are a whole number meaning a number that's not a fraction.

Dmitrij [34]3 years ago

3 0

Answer:

integers

Step-by-step explanation:

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Three vertices of a parallelogram are shown in the figure below.

a_sh-v [17]

Given:

The three vertices of the parallelogram are (-3,9), (0,-3), (6,-6).

To find:

The fourth vertex of the parallelogram.

Solution:

Consider the three vertices of the parallelogram are A(-3,9), B(0,-3), C(6,-6).

Let D(a,b) be the fourth vertex.

Midpoint formula:

$Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

We know that the diagonals of a parallelogram bisect each other. So, the midpoints of both diagonals are same.

Midpoint of AC = Midpoint BD

$\left(\dfrac{-3+6}{2},\dfrac{9+(-6)}{2}\right)=\left(\dfrac{0+a}{2},\dfrac{-3+b}{2}\right)$

$\left(\dfrac{3}{2},\dfrac{3}{2}\right)=\left(\dfrac{a}{2},\dfrac{-3+b}{2}\right)$

On comparing both sides, we get

$\dfrac{3}{2}=\dfrac{a}{2}$

$3=a$

And,

$\dfrac{3}{2}=\dfrac{-3+b}{2}$

$3=-3+b$

$3+3=b$

$6=b$

Therefore, the fourth vertex of the parallelogram is (3,6).

7 0

3 years ago

What is the volume and surface area of this pyramid?

Blizzard [7]

It is a square based pyramid where,
Length (l)=9
Height (h)=10
Slant height (s)=11

For, volume (V) = 1/3 l^2*h
=1/3 9^2*10
=1/3 *810
=270

For, surface area = 2sl
= 2*11*9
=198

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3 years ago

If Kendra started working at 10:30 a.m.and left at 6:15, how many hours of work should she record for the day on her time card

valina [46]

(6+15/60)+12-(10+30/60)

6.25+12-10.5

7.75 hrs

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3 years ago

Please help me thank you

AlekseyPX

Depends on which number

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3 years ago

Which of the following is a pair of

Virty [35]

Answer:

the answer is D

Step-by-step explanation:

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3 years ago

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