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Pepsi [2]
2 years ago
15

Simplify the expression. 7x^2+3-5(x^2-4) edguneity

Mathematics
1 answer:
Law Incorporation [45]2 years ago
4 0

Answer:

2x^2+23.

Step-by-step explanation:

Combine like terms.

This expression simplified is 2x^2+23.

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Sphinxa [80]

Answer:

k= 15 every two months

Step-by-step explanation: so you started with 3 and you gained fifth teen in two months so every two months you will gain fifth teen mice.

7 0
2 years ago
A teacher wrote this experssion on the board (-6)(2)+(-8÷4) what is the vaule of this expression
VLD [36.1K]

Answer:

-14

Step-by-step explanation:

(-12)+(-2)

You solve using Pemdas, doing the (-8/4) first, and then doing (-6)(2)

The answer is the two values added together.

3 0
2 years ago
Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Determine each segment length in right triangle .
Pani-rosa [81]

The segment length is 14 (square root)2

Given that Triangle ABC is right angle triangle

The vertex marked is B where side AC is the hypotenuse

The side of AC is at Vertex B is 14

The dash segment from vertex B to point D on side AC

Angle BDA is marked right angle .

Angles A and C both marked 45 degrees.

As shown in diagram

Triangle ABC is drawn according to the statement where B is vertex

The side lengths are 14  

Now to find Another side length that is x

So , the equation formed is

x*cos45 = 14

x/√2 = 14

x = 14√2

Hence the length of the segment is 14√2

Learn more about Right angle triangle here brainly.com/question/64787

#SPJ1O

5 0
1 year ago
Please help me with this 4 question​
Dennis_Churaev [7]

Answer:

C

Step-by-step explanation:

Volume in math means s the amount of space in a 3D object.

the formula is l × W × H

So you do 25 × 11.25 × 6

it equals to 1687.5.

Therefore, the volume of the brick is 1687.5

6 0
2 years ago
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Why did the kindergartner take her books to the zoo?
monitta
To feed them to the animals
8 0
3 years ago
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