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3 years ago

Whats the definition of quadratic expression

1 answer:

8 0

A quadratic expression is any mathematical expression whose power or degree is two. In other words, any expression that uses variables where the highest exponent or the expression's degree is two is a quadratic expression. The expression must have a power of two, no higher nor lower.

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If m1=2x° and m3=3x° what is m1

olga_2 [115]

Answer:

Step-by-step explanation:

Using the angle addition postulate

angle 1+angle 2+angle 3=180

Angle 2 is 90 degrees,

Angle 1 is 2x degrees

Angle 3 is 3x degrees

Plug this into equation

$2x + 90 + 3x = 180$

$5x + 90 = 180$

$5x = 90$

$x = 18$

Plug 18 into 2x

$2(18) = 36$

5 0

2 years ago

How do I expand and evaluate (-1.1) to the 3rd power

Leto [7]

-1.331. -1.1 * -1.1 * -1.1

4 0

3 years ago

A skydiver falls 144 feet in 3 seconds. How far does the skydiver fall per second?

Mekhanik [1.2K]

If a skydiver falls 144 feet in 3 seconds in you need to find the time per second that they’re falling, you would simply have to get the time per one second. You have to get the 3 to one, so you would divide by 3 on both sides, getting 48 feet per second. (assuming they fell at the same rate all 3 seconds)

5 0

3 years ago

Read 2 more answers

10 in. 13 in. 16 in. What is the Surface area of the triangular prism

Marianna [84]

Answer:

about 704 in 2

Step-by-step explanation:

surface area-2Ab+Pb*h

=2(13*8)+49.6(10)

=704

3 0

3 years ago

092:15 PMEach month, henry weeds gardens for 15 hours and mows lawns for x hours.For each job, he is paid $9 per hour. He wants

ankoles [38]

We know that he weeds gardens for 15 hours, and mows lawns for x hours.

If he wants to earn $252 per month, we can express the following

$9\cdot15+9x\ge252$

Now, we solve for x

$\begin{gathered} 135+9x\ge252 \\ 9x\ge252-135 \\ 9x\ge117 \\ x\ge\frac{117}{9} \\ x\ge13 \end{gathered}$ <h2>Hence, he has to mow lawns for 13 hours to earn at least $252.</h2>

6 0

1 year ago