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Marrrta [24]
3 years ago
15

Determine if 9x^2-42x+49 can be the area of a square. If so, what would the value of X be if the square is 64 meters? A=s^2

Mathematics
1 answer:
Anton [14]3 years ago
8 0
I don't know if it could be the area of a square but x has to be 8.34. (ROUNDED)
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mr. brown has 78 pencils. he gave them to 8 children so that each child gets the same number of pencils. how many does each chil
Vera_Pavlovna [14]

Each student got 9 pencils. Since 78/8= 9.75 you would round down since a student can't have 3/4th of a pencil.

3 0
3 years ago
on a recent scuba diving trip, kate and kara reached a depth of 130 feet. six and a half minutes later, after ascending at a con
vitfil [10]

Let x be the time and y is the depth

At x = 0 y = -130

At x= 6.5 y = 0

So the slope = (0- (-130) / ( 6.5 – 0) = 20

Y intercept b

0 = 20(6.5) + b

B= -130

The equation

Y = 20x -130

The domain all real numbers from 0 to 6.5

Range is all realnumber from -130 to 0

3 0
3 years ago
Which number line correctly shows 1.5 + 2.5?​
Juli2301 [7.4K]

Answer: The first one.

Step-by-step explanation:

Since 1.5 + 2.5 = 4, and the only graph that has an arrow pointing to 4 is the first one, then the first number line is the correct answer.

Hope this helps :)

4 0
2 years ago
Read 2 more answers
For the last three months Olivia saved $75, $95, and $84. What is the minimum amount she should save next month in order to save
goblinko [34]
The answer is 106 dollars
8 0
3 years ago
I need some help with this question :/
Masteriza [31]
You have one of the answers correct. The fraction 4/8 is equal to 1/2

Other answers are: 5/10, 10/20, and 6/12

If you reduced each of those fractions, you'd get to 1/2. 

You can use a calculator to find that
4/8 = 0.5
1/2 = 0.5
5/10 = 0.5
10/20 = 0.5
6/12 = 0.5
All fractions mentioned lead to the same decimal value, so this confirms all of the fractions are equivalent to one another.
7 0
3 years ago
Read 2 more answers
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