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2 years ago

Question within image.

Mathematics

1 answer:

julia-pushkina [17]2 years ago

6 0

1)a parallelogram is a quadrilateral with opposite sides being parallel so the lines AB must equal CD or otherwise it wouldn't be a parallelogram

2)for a quadrilateral to be proven to be a parallelogram the consecutive angles has to be supplementary which means they add up to 180 or for example you could slice the parallelogram in half down the middle you could piece the two consecutive angles together to make 180 degrees

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18% of 90 is what number?

bearhunter [10]

90/x=100/18
(90/x)*x=(100/18)*x - multiply both sides of the equation by x
90=5.55555555556*x - divide both sides of the equation by (5.55555555556) to get x
90/5.55555555556=x 
16.2=x 
x=16.2
18% of 90=16.2

4 0

3 years ago

Read 2 more answers

Is 3 squared times 4 squared equal 12 squared ? Evaluate each side of the equation to explain your answer.

Nikolay [14]

Answer:

Nopes 3²+4²≠12²

Step-by-step explanation:

12²=144

3²+4²=

9+16=25

25≠144

To make it easier to see exactly WHY 3²+4²≠12² you can spread out the numbers in the equation.

(3·3)+(4·4)≠(12·12)

When solving equations you use PEMDAS (Parenthesis Exponents Multiplication Division Addition Subtraction). You have to solve in THAT ORDER.

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2 years ago

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Larry plans to paint 2 walls in his room. The ceiling is 8 ft above the floor. One of the walls is 13 ft wide and the other is 1

castortr0y [4]

10x8=80ft + 13x8=184

6 0

3 years ago

17) List the ways five dogs a Beagle, a Collie, a Greyhound, a Poodle and a

Gnoma [55]

Answer:

10 pairs

It is a combination

Explanation:

This is a combination because the order does not matter: the Beagle - Collie couple is the same as the Collie - Beagle couple, so it is only counted once.

The formula for combinations is:

$C(m,n)=\dfrac{m!}{n!\cdot (m-n)!}$

For five diffferent dogs to be put in pairs, the number of different pairs is:

$C(5,2)=\dfrac{5!}{2!\cdot (5-2)!}=\dfrac{5\times 4}{2}=10$

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3 years ago

How do u do this?? What’s the answer???

V125BC [204]

Answer:

A. c = 0.31b

Step-by-step explanation:

$7.44 = 24 juice bottles

[Divide by 24 on both sides]

$0.31 = 1 juice bottle

The cost is equal to the amount per juice bottle times the number of juice bottles, so:

c = 0.31b

(A trick to use when you don't know the answer: If there are multiple answers with the same numbers but the decimal places are in different places, it is probably one of those answers.)

6 0

3 years ago