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MaRussiya [10]
3 years ago
7

Which of the following is a quadratic function?

Mathematics
1 answer:
rewona [7]3 years ago
4 0

the function of quadratic is number4

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4y + 3x = 5 solve for x
Anuta_ua [19.1K]

Answer:

Move all terms that don't contain  x  to the right side and solve.

x =  5 /3 −  4 y /3

8 0
3 years ago
Read 2 more answers
15 points! I will give Brainliest and heart! Answer ASAP but with DETAIL, I need step - by - step, clear words, correct grammar.
Andrei [34K]

Hey there! I'm happy to help!

PART A

Let's look at our two equations.

y=3x-5

y=6x-8

We will solve this with substitution because we have two different values for y, so it will be be very easy to substitute.

We know that y is equal to 6x-8. This means that we can replace the y in the first equation with 6x-8 and then solve for x.

6x-8=3x-5

We add 8 to both sides.

6x=3x+3

We subtract 3x from both sides.

3x=3

We divide both sides by 3.

x=1

We can plug this x-value into either of our equations to figure out what y is.

y=6(1)-8

y=6-8

y=-2

Therefore, our solution is x=1 and y= -2.

PART B

When graphing the two equations in a systems of equation, the point where they intersect is the solution. We already have our solution, so now we will just write it as a point, which is (1,-2).

Have a wonderful day! :D

4 0
2 years ago
Read 2 more answers
Write the number for nine million nine thousand.
Lera25 [3.4K]

Answer:

Nine million nine thousand, is written 9,009,000.

8 0
2 years ago
The ratio of boys to girls in a classroom is 7 to 11. If
Zepler [3.9K]

Answer:

77 girls

Step-by-step explanation:

becasue 49 divided by 7 is 7. so you just multiply 11 by 7. ANd that will get you 77

6 0
2 years ago
Annapolis, Maryland has an approximate population of 36,000. Columbus, Ohio has an approximate population of 7.3 x 105. Which of
amid [387]

Given, Annapolis, Maryland has an approximate population of 36,000.

And Columbus, Ohio has an approximate population of (7.3)(10)^5.

First we have to multiply (7.3)(10)^5.

(7.3)(10^5) = (7.3)(100000) = 730000

We can see the population of columbus is larger than population of Annapolis.

Now we will divide the population of Columbus by the population of Annapolis to find how much times the population of columbus is larger. We will get,

\frac{730000}{36000} = 20.28 ( Approximately taken upto two decimal place)

So it is more than 20 times.

We can say, The population of columbus is approximately 20 times larger than Annapolis.

We have got the required answer.

Option 3 is correct.

4 0
2 years ago
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