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slega [8]
3 years ago
10

X squared +20 equals 2X

Mathematics
1 answer:
Ivahew [28]3 years ago
5 0

x={1+i√19 , 1-i√19}

solve this by using quadratic formula

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Corbin made a scale model of the San Jacinto Monument. The monument has an actual height of 604 feet. Corbin's model used a scal
Mars2501 [29]

The height of Corbin's model given the actual height of the monument and the scale of the model is 6.04 inches.

<h3>What is the height of the model?</h3>

A scale model is smaller representation of a bigger object / drawing. The scale model is reduced by constant dimensions.

The height of Corbin's model = 604 / 100 = 6.04 inches

To learn more about scale models, please check: brainly.com/question/20213755

#SPJ1

5 0
2 years ago
Charlie owns a computer repair service. For each computer, they charge $50 plus $45 per hour of work. A linear equation that exp
Paraphin [41]

Answer:

The independent variable (x) is the amount of time John fixes a computer. The dependent variable (y) is the amount, in dollars, John earns for a computer.

y-intercept: (0,50)

Slope: 45

8 0
2 years ago
There are 4,050 newspapers to be delivered in a certain area of town. If 18 newspaper carriers are all delivering the same numbe
eduard

Given :

There are 4,050 newspapers to be delivered in a certain area of town.

To Find :

If 18 newspaper carriers are all delivering the same number of papers, how many will each deliver.

Solution :

Let, total number of deliver are n.

Total newspaper, T = 4050 .

Number of news carriers, N = 18 .

So,

n = \dfrac{T}{N}\\\\n = \dfrac{4050}{18}\\\\n = 225

Therefore, each deliver will carry 225 newspapers.

Hence, this is the required solution.

5 0
3 years ago
Rewrite in simplest terms: 4(3d + 7f) – 5f – 3(9f + 3d)
Elena L [17]

Answer:

3d - 4f

Step-by-step explanation:

(12d + 28f) - 5f - (27f + 9d)

12d + 28f - 5f - 27f - 9d

(12-9)d + (28-5-27)f

3d - 4f

don't forget to put bracket, it is fundamental

4 0
3 years ago
Read 2 more answers
Write a linear factorization of the function. (5 points) f(x) = x4 + 81x2
amid [387]
F(x) = x^4 + 81x^2
f(x) = x^2*x^2 + x^2*81
f(x) = x^2*(x^2 + 81) ... see note 1
f(x) = x^2*(x + 9i)(x - 9i) ... see note 2

note 1: if you haven't learned about complex or imaginary numbers yet, then you would stop at the line with "note 1" on it

note 2: you would stop here if you have learned about complex or imaginary numbers and you want to factor over the complex numbers. I used the rule that
a^2 + b^2 = (a+bi)*(a-bi)
8 0
3 years ago
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