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Ilya [14]
4 years ago
13

Christy solved this problem. A store charged a customer $445.50 for 150 floor tiles . What is the price of each tile? Christy th

ought the answer was $2.97. Is Christy's answer reasonable?
A. Yes, Christy's answer is reasonable.
B. No, Christy's answer should be closer to $0.30.
C. No, Christy's answer should be closer to $30.
D. No, Christy's answer should be closer to $300.
Mathematics
2 answers:
UkoKoshka [18]4 years ago
8 0
I think it is a hope dis helps
elixir [45]4 years ago
5 0
The answer is A hope this helps
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Harold swam 6 2/5 km in 2 hours how far could Harold swim in 5 hours
Mama L [17]

The distance that Harold swim in 5 hours should be 16 km.

Given that,

  • Harold swam 6 2 ÷ 5 km in 2 hours.
  • And, the number of hours given is 5 hours.

Here we assume the distance be x

So,

6\frac{2}{5} =6.4

Now

\frac{6.4}{2}=\frac{X}{5}

2x=(6.4)(5)

2x=32

Now Divide by 2 on both sides  

Thus,  

X=16 km

Therefore, we can conclude that the distance that Harold swim in 5 hours should be 16 km.

Learn more about the distance here: brainly.com/question/12319416

4 0
3 years ago
Pls give me the height only!!
mixer [17]

Answer: Height = 41 in

Step-by-step explanation:

Alrighty, I was trying to dodge this question but I guess I'll have to split my brain cells.

To find the Height we can turn the information we have into an equation

15,577.54 = 3.14 * 11 ^ 2 * h

we do some distrubutive property

15,577.54 = 3.14 * 121 * h

15,577.54 = 379.94 * h

15,577.54 = 379.94h

divide by 379.94

H = 41

THE HEIGHT IS 41 YAY ( My head hurts )

3 0
3 years ago
Write the equation of a parabola that has a vertex of (-2,5.5) and passes through the point (-2.5,2.5).
vekshin1

The equation of a parabola that has a vertex of (-2, 5.5) and passes through the point (-2.5, 2.5) is  y=-12(x+2)^2+5.5

The vertex form of the equation of a parabola is:

y=a(x-h)^2+k

where (h, k) is the vertex of the parabola

(x, y) is the point that the parabola passes through

The vertex, (h, k) = (-2, 5.5)

The point, (x, y) = (-2.5, 2.5)

Substitute h = -2, k = 5.5, x = -2.5, and y = 2.5 into the equation to solve for a.

2.5=a(-2.5-(-2))^2+5.5\\\\2.5=a(-2.5+2)^2+5.5\\\\2.5-5.5=a(-2.5+2)^2\\\\-3=a(-0.5)^2\\\\-3=0.25a\\\\a = \frac{-3}{0.25} \\\\a = -12

Therefore, the equation of the parabola is:

y=-12(x-(-2))^2+5.5\\\\y=-12(x+2)^2+5.5

Learn more here: brainly.com/question/25667732

5 0
3 years ago
Given f(x) = 6 (1 - x), what is the value of f(4)?
emmainna [20.7K]

AnswER

-14

Step-by-step explanation:

i think

4 0
4 years ago
Matthew launches a ball at 34 meters/sec from a 28 meter tall platform. The function of the ball's height (h) at time (t) second
Alex17521 [72]

Answer:

17 seconds

Step-by-step explanation:

h(t) represents height, we want to know when the ball will return to a height of 28 feet.  So our equation is..

28 = -2t² + 34t + 28

Now solve for t...

0 = -2t² + 34t         (subtract 28 from both sides)

0 = t² - 17t             (divide both sides by -2)

0 = t(t - 17)          (factor out a t)

So

t = 0

or

t - 17 = 0

  t = 17          

0 seconds is the initial height.  At 17 seconds, the ball will return to that height

5 0
3 years ago
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