3 years ago

Mark is solving an equation where one side is a quadratic expression and the other side is a linear expression. He

1 answer:

5 0

Answer:

The answer would be two because one of the lines would be a parabolic line and parabolic lines only have at the most two solutions.

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The diagonal of a cube is a segment whose endpoints are vertices that are not on the same face. Find the surface area of a cube

torisob [31]

Answer:

The surface area of the cube is $128\ units^{2}$

Step-by-step explanation:

step 1

Find the length side of the cube

we know that

The diagonal of a cube is equal to

$d=b\sqrt{3}$

where

b is the length side of the cube

In this problem we have

$d=8\ units$

substitute and solve for b

$8=b\sqrt{3}$

$b=\frac{8}{\sqrt{3}}\ units$

step 2

Find the surface area of the cube

The surface area of the cube is equal to

$SA=6b^{2}$

substitute the value of b

$SA=6(\frac{8}{\sqrt{3}})^{2}=128\ units^{2}$

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4 years ago

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expeople1 [14]

Answer:

A. 8.368

B 156.8

Step-by-step explanation:

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3 years ago

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los vehículos en un país se matriculan con 3 letras y tres dígitos y en es orden, por ejemplo, BOL868 .¿Cuántos vehículos pueden

Elina [12.6K]

Answer:

Step-by-step explanation:

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3 years ago

Will mark brainlist POINTSSSSS HELPPP<br><br> How many of each different 2-D shapes do you see?

nevsk [136]

Answer:

They're all rectangles. But the top and bottom are the same, the left and right side are the same, and front and back are the same.

Step-by-step explanation:

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4 years ago

A couch, a love seat, and a chair cost $1565. The couch costs twice as much as the chair, and the live seat costs $400 more than

Naily [24]

Couch: 2x
love seat: 2x+400
chair: x
total amount: $1565
2x+2x+400+x=1565
5x+400=1565
5x=1165
x= 233
The cost of the chair is $233. The cost of the couch is $466. The cost of the love seat is $866.

Hope this helps!

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3 years ago