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3 years ago

Is ABCD a parallelogram? Explain how you know.

Mathematics

1 answer:

Sedaia [141]3 years ago

7 0

They are both parallelograms because the sides are parallel to one another

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Yakvenalex [24]

The median is nine (9). You add each number up, and then you divide by the amount of numbers you have.
The mean is 9.83 according to my calculations.

8 0

3 years ago

3.) (4 x 9 - 21) \ 3+6^2

nignag [31]

Answer:

Step-by-step explanation:

Given Expression:

(4 x 9 - 21) \ 3+6^2

Multiply 4 and 9 to get 36.

36 - 21 / 3 + 6^2

Subtract 21 from 36 to get 15.

15/3 + 6^2

Divide 15 by 3 to get 5.

5+6^2

Calculate 6 to the power of 2 and get 36.

5+36

Add 5 and 36 to get 41.

3 0

3 years ago

The difference between a number and 8 is 11

quester [9]

Answer:

The difference between 19 and 8 is 11.

Step-by-step explanation:

Given:

The difference between a number and 8 is 11

Find the number.

Solution:

Let the unknown number be $=x$

The difference between the unknown number can be written as:

$x-8$

We are given that the difference =11

So we can write the equation to find $x$ as :

$x-8=11$

Using additive property to solve for $x$

Adding 8 to both sides to isolate $x$ on one side.

$x-8+8=11+8$

∴ $x=19$

∴ The unknown number = 19

6 0

3 years ago

Read 2 more answers

How many solutions does the following equation have

vampirchik [111]

B= Exactly one solution
-6y+9y= 3y
3y+13=8y-3
3y=8y-16
-5y=-16

7 0

3 years ago

Read 2 more answers

Round 17 5/8 to the nearest whole number

Greeley [361]

18 is the nearest whole number

7 0

3 years ago

Read 2 more answers