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erastovalidia [21]
4 years ago
9

PLS HELP I DONT UNDERSTAND :( WILL GIVE BRAINLIEST!! +25 POINTS AHHHH

Mathematics
1 answer:
guajiro [1.7K]4 years ago
4 0

Answer:

the anwser is A

Step-by-step explanation:

i understand

very well and i just took that lesson

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PLEASE PLEASE PLEASE PLEASE HELP!!!!!!
alexira [117]
It's A
because it can be into a decimal and then to an equation
8 0
3 years ago
Read 2 more answers
Which of the following shows that ABCD is a parallelogram for x=6 and y =8? (20 points)
Reika [66]

Answer:

AB = CD = 44 and BC = AD = 31 ; so ABCD is a parallelogram

Step-by-step explanation:

A parallelogram should have two pairs of parallel sides meaning the length of side AB should be the same as the length of side CD and the length of side AD should be the same as the length of side BC.

<u>First, lets see if line AB is parallel to line CD.</u>

Let's start by finding out the length of line AB.

Since we know x = 6 we will replace x with 6 in the expression:

7(6) + 2 = 42 + 2 = 44

Now that we know the length of line AB is 44, lets find the length of line CD by replacing x with its value of 6:

9(6) - 10 = 54 - 10 = 44

Now that we know the length of line CD is 44, we can see that line AB is parallel to line CD since they both have the same length of 44.

<u>Now, lets see if line BC is parallel to line AD.</u>

Let's start by finding out the length of line BC.

Since we know y = 8 we will replace y with 8 in the expression:

3(8) + 7 = 24 + 7 = 31

Now that we know the length of line BC is 31, lets find the length of line AD by replacing y with its value of 8:

5(8) - 9 = 40 - 9 = 31

Now that we know the length of line AD is 31, we can see that line BC is parallel to line AD since they both have the same length of 31.

<u>Conclusion</u>

ABCD is a parallelogram because it contains two parallel sides.

5 0
3 years ago
In a jar of coins, 18 out of the 40 coins are dimes. Express the fraction of the coins
Step2247 [10]

Answer:

Percent: 20%

Fraction: 1/5

Decimal: 0.20

Step-by-step explanation:

8:40*100 =

( 8*100):40 =

800:40 = 20%

Percent to fraction:

20%=20/100

= 0.2

=0.2×10/10

=2/10

=1/5

Percent to decimal:

20/100 = 0.20

8 0
3 years ago
The smaller cone is replaced with another cone of equal radii, but a height twice as big.
Bess [88]
Let's make this simple. Let's have the small cone have a radius 1 and the height 1. This would make the bigger cone have a radius of 1 and the height of 2.

With this information, lets get the volume of both cones. The formula is this:

V =  \dfrac{(\pi r^2 h)}{3}

Plug in numbers:
Small cone: V =  \dfrac{(\pi 1^2 \times 1)}{3}
Big cone: V =  \dfrac{(\pi 1^2 \times 2)}{3}

The small cone has a volume of \dfrac{\pi}{3}
The big cone has a volume of \dfrac{2 \pi}{3}

Now, you want to find how many small cones you need to have the same total volume of the big cone.

\dfrac{2\pi}{3} -  \dfrac{\pi}{3} =  \dfrac{\pi}{3} &#10;

You have the difference of pi over 3 comparing the big cone to the small one. You realize that the small cone has the same volume of that. Therefore, you need 2 small cones to have the same total volume as the larger cone
6 0
3 years ago
Vertical line through the point (9,6)
kolezko [41]
What about it that is not a question
5 0
3 years ago
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