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wolverine [178]
3 years ago
12

When solving a quadratic equation by using the square root method, and the final step results in square-rooting a “perfect squar

e” then the quadratic has ______________________.
Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

Step-by-step explanation:

we're asked to solve the equation two x squared plus three is equal to 75 so in this situation it looks like we might be able to isolate the x squared pretty simply because there's only one term that involves the next year it's only this x squared term so let's try to do that so let me just rewrite it we have two x squared plus three is equal to 75 I'm going to try to isolate this x squared ...

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Which tables display linear functions?Check all that apply<br><br> Please help me!!!!!
zhuklara [117]

Answer:

The first one and the last one.  A and D.

Step-by-step explanation:

A linear equation is and equation where the line is going up on a graph.  In order for that to happen, y must always be bigger than x.  The first and last chart all the way to the right is the only one that has that trait.  :)

5 0
3 years ago
If you buy 12 pens for 22.20 dollars, how much does each pen cost?
jeyben [28]
 $ 1.85   you  divide  22.20 by 12 
5 0
3 years ago
Jose bought 9 movie tickets for a total of $54. Adult tickets cost $8 each and child tickets cost $3.50. How many adult tickets
MArishka [77]

Answer:

5

Step-by-step explanation:

5 x 8 = 40

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4 0
3 years ago
Maria and Katy each have a piece of string. When they put the two pieces of string together end to end, the total length is 84in
kramer

Maria's piece is 45 inches long

Katy's piece is 39 inches long

Step-by-step explanation:

Maria and Katy each have a piece of string

  • When they put the two pieces of string together end to end, the total length is 84 inches
  • Maria’s string is 6 inches longer than Katy’s

We need to find how long is Maria’s piece of string and how long is Katy’s piece of string

Assume that the length of Maria's piece is x inches and the length of Katy's piece is y inches

∵ Maria's piece is x inches

∵ Katy's piece is y inches

∵ The total length of the two pieces is 84 inches

- Add x and y, then equate the sum by 84

∴ x + y = 84 ⇒ (1)

∵ Maria’s string is 6 inches longer than Katy’s

- That means equate x by the sum of y and 6

∴ x = y + 6 ⇒ (2)

Now we have a system of equations to solve it

Substitute x in equation (1) by equation (2)

∴ (y + 6) + y = 84

- Add the like terms in the left hand side

∴ 2y + 6 = 84

- Subtract 6 from both sides

∴ 2y = 78

- Divide both sides by 2

∴ y = 39

- Substitute the value of y in equation (2) to find x

∵ x = 39 + 6

∴ x = 45

Maria's piece is 45 inches long

Katy's piece is 39 inches long

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

3 0
3 years ago
What is Fort nite best opinion gets brainliest
lora16 [44]

Honestly it's fun and people need to stop hating on it just because most of the people are toxic and weird. I don't play it, but It's really not worth the hate. People just hate just to hate about it.

Same with ro blox.

5 0
3 years ago
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