MATHEMATICS HIGH SCHOOL

What's an extraneous solution?

In your own words
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Answers

Answer 1
Answer:

Answer:

You get this solution while solving your problem but it still is not the correct answer to your question...

(I think)

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Line A is represented by the following equation:x + y = 2 What is most likely the equation for line B so the set of equations has no solution? (4 points) x + 2y = 2 2x + 2y = 4 2x + y = 2 x + y = 4
Dwayne is selling hamburgers and cheeseburgers. He has 100 burger buns. Each hamburger sells for $3, and each cheeseburger sells for $3.50. Which system of inequalities represents the number of hamburgers, h, and the number of cheeseburgers, c, he must sell to have sales of at least $80? h + c ≤ 80 3h + 3.5c ≤ 100 h + c ≤ 80 3h + 3.5c ≥ 100 h + c ≤ 100 3h + 3.5c ≤ 80 h + c ≤ 100 3h + 3.5c ≥ 80

A bag contains 8 blue marbles, 6 green marbles, 12 yellow marbles, and 10 orange marbles. A marble is drawn at random from the bag.What is the probability that the marble drawn will not be blue?

A. 2/9

B. 3/4

C. 7/9

D. 7/8

Answers

Probability of anything =

     (number of possible successful outcomes)
divided by
     (total possible number of outcomes) .

There are 36 total marbles in the bag, so there are 36 total
possible outcomes of one draw.

The successful outcomes are all the possible draws that are
not blue.    There are 28 of those.

So the probability of a non-blue selection is 

         28/36  =  7/9  =  77.8%  (rounded)

Answer:

It is indeed 7/9

To prove, I took the test with the answer 7/9, and took a screenshot.

Anyways, hope this helps, and have a great day

(x+2) (x+3) what is the answer

Answers

the answer is x+5 that is your answer
That is your answer x+5

What is LK rounded to the nearest hundredth? show work if you canAlso what is JK TO THE nearest hundredth? show work if you can

Answers

LK is actually the opposite side. What you've also been given is the length of the hypotenuse and an angle (20 degrees).

We know that:

sin(β)=Opposite/Hypotenuse=O/H

This is because of the famous:

SOH CAH TOA

-----

We can solve the problem by writing down:

sin(20)=LK/8.5

This means that:

LK = 8.5 * sin(20)

LK = 2.91 metres (to 2 decimal places)

Which value is needed in the expression below to create a perfect square trinomial?x2+8x+______

4
8
16
64

Answers

Answer:

16

Step-by-step explanation:

i know because i did the test

Answer:

16 for people with ads i really need brainliest

Step-by-step explanation:

Help me out! I always mark brainliest. Unless of course, it is incorrect or inadequate. Please include how you did the problem. Thanks!

Answers

If 2 + 5i is a zero, then by the complex conjugate root theorem, we must have its conjugate as a zero to have a polynomial containing real coefficients. Therefore, the zeros are -3, 2 + 5i, and 2 - 5i. We have three zeros so this is a degree 3 polynomial (n = 3).
f(x) has the equation
                        f(x) = (x+3)(x - (2 + 5i))(x - (2 - 5i))
If we expand this polynomial out, we get the simplest standard form
                        f(x) = x^3-x^2+17x+87
Therefore the answer to this question is f(x) = x^3-x^2+17x+87

How to change 50/12 to a mixed number?

Answers

A mixed number is one that has an integer along with a proper fraction, so that would be (for this improper fraction):

50/12 = 4 1/6

12 goes into 50, 4 times with a remainder of 2

you get: 4 and 2/12, but 2/12 can be reduced further to 1/6

so that's how i got the answer of 4 1/6
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