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zalisa [80]
2 years ago
7

HELP PLEASE I NEED HELP ASAP!!

Mathematics
1 answer:
ad-work [718]2 years ago
7 0
Answer would be d- FB and DE

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Isabella buys a computer that is on sale for 30% off the original price. The original price is $216 more than the sale price.
kakasveta [241]

Answer:

720

Step-by-step explanation:

<em>Set the problem up as a proportion</em>

<em />\frac{216}{x}= \frac{30}{100}<em />

<em>cross multiply</em>

<em />21600=30x<em />

<em>divide both sides by 30</em>

<em />720=x<em />

<em />

<em>plz mark me brainliest. :)</em>

7 0
3 years ago
Daniel wants to prove that the interior angles of any triangle sum to 180°. He draws a line through one vertex parallel to the o
Serggg [28]

Alternate interior angles theorem.

<u>Step-by-step explanation:</u>

By using the definition of Alternate Interior Angles theorem, we can say that If a transversal cuts any two parallel lines, then those pairs of alternate interior angles are seems to be  congruent.

So in the given triangle,

∠4 ≅ ∠2

∠5 ≅ ∠3

Sum of all the angles in a triangle = 180°

∠1 + ∠2 + ∠3 = 180°

Since from the above congruence, we can write that

∠1 + ∠4 + ∠5 = 180°

Hence proved.

4 0
3 years ago
Which of the following is equal to [(x2y3)-2/(x6y3x)2]3 ?
Alona [7]

Answer:

a=√x3y5 or a=−√x3y5

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Fred has a bag containing 12 black marbles, 10 red marbles, and 15 white marbles .
-Dominant- [34]

Answer:

I dont understand your question but I'm going to assume that you want to add those numbers the answer would be 37 marbles in total

7 0
3 years ago
Ayuda con estos ejercicios
joja [24]
1. x=6
2. y=6
3. x=10
4. y=10

1.c+9= 19
2. 9-y=7
3. 5y=30
4. u-u=0

1. 2(3x2 - 5x3)
   2(6-15)
   2x(-9)=18

3 0
2 years ago
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