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nasty-shy [4]
4 years ago
13

ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.

Mathematics
1 answer:
mixer [17]4 years ago
6 0

Answer:

B

Step-by-step explanation:

To solve for x, we have to get x by itself. To do this, perform the opposite of what is being done to the equation.

5x+14=k

First, subtract 14 from both sides, because 14 is being added on to 5x. Subtraction is the opposite of addition.

5x+14-14=k-14

5x=k-14

Now, divide both sides by 5, because 5 and x are being multiplied. Division is the opposite of multiplication.

5x/5=k-14/5

x=k-14/5

So, the correct answer is choice B

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WILL GIVE BRAINLIEST!!!!!!!<br> Write a quadratic equation with –6 and 5 as its roots.
kondaur [170]

While there are many quadratic equations using -6 and 5 as roots, the most simple would be the basic (x+6)(x-5)=0, or simplified, x² + x - 30 = 0.

Using these roots, all you have to do is make both sides of the equation and even both sides of the multiplied pre-product to equal 0. If using this format, x has to be equal to -6, and 5.

7 0
3 years ago
A certain type of light bulb has a failure rate of 2.4%. What is the expected number of failures if 800 light bulbs are tested?
tankabanditka [31]

If there is a failure rate of 2.4% that means 2.4 out of every 100 will fail.

Since there are 800 lightbulbs if you mutiply 2.4 by 8 you will get:

19.2

8 0
4 years ago
PLEASE EXPLAIN THIS<br> PLZ HELP<br> THX:)
nikdorinn [45]
Binomial
Bi means two. So you have 2 terms in a binomial. x^2 + 2 is a binomial. In this example, they cannot be added.  There is one sign between the 2 terms. In this case a plus sign.
You have a binomial in the question's table. It is 3x - 9. 2 terms 1 sign.

Trinomial
Tri means three. You have 3 terms in a trinomial. You normally have 2 signs (at least) but you could have 3. All the terms are unlike.
x^2 + 2x - 1 is a a trinomial.
You have 1 trinomial in your question. 
y = - 3x^2 - 6x + 9 
This has 3 signs which is not normal but it is not unique.

Monomial
Mono means one. You have two monomials in your question.
2x^2 and - 2 Yes a constant can be a monomial.

Quadratic.
A quadratic has very specific properties.
The highest power of a quadratic must be x^2.
x^2 + 3x + 2 is a quadratic.
3x^2 - 4x + 2 is a quadratic.
-2x^2 - 5x + 3 is a quadratic.
x^2 + 5 is a quadratic.
- 2x^2 is a quadratic.

A quadratic may or may not have a linear term as in 3x
A quadratic may or may not have a constant term [yet to be defined]

Linear 
A linear equation must have 1 on the variable on both sides of the equal sign.
y = 3x is linear
y = 3x + 7 is linear.
y + 3 = 3x + 2 is linear. The 3 can be put on the right by subtracting 3 from both sides.
y = 2x - 1
y= 3x - 9 is a linear equation.
When you graph 3x - 9 you get a straight line.
y = 3x - 9, you get a straight line. Go to desmos and try it.

Constant.
Has no variables associated connected to it although a line can consist of a constant on one side.
3 is a constant. 
34 is a constant.
y = 8 is constant. It is a line that is parallel to the x axis going through 8.
0 is a constant.
y = 0 is the x axis.

Exponential
is a constant raised to a variable power.
y = 3^x. You don't have one of these.

Naming by power.
You have two equations that are raised to the power of 2.
One is the first monomial
the second is the last one.

One has a power going to 1 ( the third one)

What's the power on the constant.


8 0
3 years ago
Read 2 more answers
A restaurant has 100 tables and 28 of the tables seat 2 people and 72 of the tables seat 4. What percentage of the tables seat 4
KiRa [710]
The percentage would be 72.
5 0
3 years ago
Where do you place the parentheses in the expression 4+3^2•5-2 to equal 31
Pani-rosa [81]

4+3^2•5-2

4+3^2\cdot(5-2)=4+9\cdot3=4+27=31

Used PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

8 0
3 years ago
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