3 years ago

Miles is buying a new computer for $1150

Mathematics

1 answer:

kupik [55]3 years ago

6 0

Answer:

wheres the rest

Step-by-step explanation:

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Follow the process of completing the square to solve x^2 - 10x + 8 = 0. What is the value of the constant that will be isolated

My name is Ann [436]

To solve using completing square method we proceed as follows:
x^2-10x+8=0
x^2-10x=-8
but
c=(b/2)^2
c=(10/2)^2=25
thus we can add this in our expression to get
x^2-10x+25=8+25
factorizing the LHS we get:
(x-5)(x-5)=33
(x-5)^2=33
getting the square roots of both sides we have:
x-5=+/-√33
x=5+/-√33

7 0

3 years ago

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Which of the following has a constant of proportionality of 2? A) y = 2x B) y = x + 2 C) 2y = x D) y + 2 = 2x

Setler [38]

The correct answer is A.

You have direct variation if x and y are modeled by the equation

$y = mx$

In this case, m is the constant of proportionality. So, if the constant has to be 2, the equation becomes

$y = 2x$

A side note: Actually, option C has a constant of proportionality of two as well, except the roles of x and y are interchanged. I chose option A because usually you want the y = mx form, but the names of the variables are obviously meaningless.

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3 years ago

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What is the Value of d

Xelga [282]

Step-by-step explanation:

$\sqrt{4 \times 9 \times 16} = \sqrt{4} \times \sqrt{9} \times \sqrt{16} = 2 \times 3 \times 4 = 24$

7 0

3 years ago

Find the value of X. Please answer.

Likurg_2 [28]

Answer:

x= 12

Step-by-step explanation:

Please see attached picture for full solution.

4 0

3 years ago

Alenkinab [10]

Answer:

17/5

Step-by-step explanation:

23=5x+6

23-6=5x

17=5x

X=17/5

6 0

2 years ago