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AlexFokin [52]
3 years ago
10

Help me!!! I will mark brainliest!!!

Mathematics
1 answer:
ikadub [295]3 years ago
6 0
The answer should be C
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WILL GIVE BRAINLIEST​ HELP ASAP
Ksivusya [100]

Answer:

1, 2, 3

Step-by-step explanation:

8 0
3 years ago
What is the difference? <br><br>( -4x + 3) - (7x -<img src="https://tex.z-dn.net/?f=3x%5E%7B2%7D" id="TexFormula1" title="3x^{2}
trapecia [35]
The answer is 3x^2-19x+1

(-4x+3)-(7x-3x^2-1)
-12x+7x+3x^2+1

Combine like terms:
3x^2+(-12x+-7x)+1
= 3x^2+-19x+1
3 0
3 years ago
It costs a family $216 to refinish a wood floor. They want to refinish floor in a larger room. The ratio of corresponding sides
Brut [27]
D 288 because 216/3 equals 72 times that by 4 and you get 288.
5 0
3 years ago
A meter stick casts a shadow 2.4 m long at the same time a flagpole casts a shadow 9.7 m long. How tall is the flagpole
Luda [366]
The first thing we are going to do is draw a diagram of the situation to help us to solve the situation.
We an draw tow similar triangle between the length of the shadows and the height of the stick and the pole.
Since <span>meter stick has a length of 1 meter, the height of our smaller triangle is 1 meter. Let </span>h be height of of the pole. Since both triangles are similiar we can establish a proportion between their corresponding sides and solve for h:
\frac{h}{1} = \frac{9.7}{2.4}
h=\frac{9.7}{2.4}
h=4.04

We can conclude that the pole is 4.04 meters tall. 

8 0
3 years ago
Please help meeeeee:)))))
bonufazy [111]

Answer:

B

Step-by-step explanation:

the reason this because vertically opposite angles the equal so it's also 72

7 0
3 years ago
Read 2 more answers
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