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DiKsa [7]
4 years ago
10

PLEASE HURRY!! 30 POINTS

Mathematics
2 answers:
Yuri [45]4 years ago
6 0

Answer:

10s

Step-by-step explanation:

I had the question

aliya0001 [1]4 years ago
4 0

Answer:

  • 10 seconds

Step-by-step explanation:

<em>Let the time be x</em>

<u>Sunnyville's community pool volume</u>

  • 5.2 + 3.3x

<u>Oceanview's Community Pool volume</u>

  • 45.2 - 0.7x

<u>They become equal after x seconds:</u>

  • 5.2 + 3.3x = 45.2 - 0.7x
  • 3.3x + 0.7x = 45.2 - 5.2
  • 4x = 40
  • x = 40/4
  • x = 10 seconds
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What is the value of x in the equation <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B5%7Dx%20-%5Cfrac%7B2%7D%7B3%7D" id="Te
SVEN [57.7K]

Answer:

x= 200

Step-by-step explanation:

The given equation is:

1/5 x - 2/3 y = 30

The value of y is 15

Put the value of y in the given equation:

1/5 x - 2/3(15) = 30

1/5 x- 10 = 30

Take the L.C.M of the denominator

x-50/5 = 30

Move the denominator to the R.H.S

x-50 = 30*5

x-50 = 150

Combine the like terms

x= 150+50

x = 200

The value of x is 200...

5 0
3 years ago
Read 2 more answers
if pentagon abcd was reflected over the axis y-axis, reflected over the x-axis, and rotated 180, where would be point A' lie
frez [133]
A reflection over the x axis coupled with another reflection over the y axis leads to a rotation of 180 degrees. 

In other words,

Start with point A. Reflect over the x axis to get point B. Reflect B over the y axis to get point C. To go from A to C, we can rotate A 180 degrees about the origin.

----------------

So this means that if we do those reflections and then do the rotation, then we end up back where we started. Wherever point A is located, the point A' will also be located at the same position with the same coordinates. 
4 0
3 years ago
You are dealt one card from a standard 52-card deck. Find the probability of being dealt a six.
egoroff_w [7]

Answer:

1/13 ≈ 7.69%

Step-by-step explanation:

There are 4 sixes in a standard deck.  So the probability is 4/52 = 1/13, or about 7.69%.

4 0
3 years ago
Which of the following is not an undefined term?<br><br> point<br> ray<br> line<br> plane
Mila [183]
<span>There are three undefined terms in geometry. These are points, line, and plane. Among the given choices, there is only one which is not an undefined term and that is ray. Ray is a part of a line that has an enpoint in one side and extends indefinitely on the opposite side. Hence, the answer is the second choice. </span>
7 0
4 years ago
Read 2 more answers
As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. If the true percenta
tresset_1 [31]

Answer:

The probability is 0.057797

Step-by-step explanation:

Consider the provided information.

It is given that true percentage of voters who vote for the proposition is 63%,

Let p is probability of success.

According to the binomial distribution:

P(x;p,n)=^nC_x(p)^x(1-p)^{(n-x)}

Substitute n=7, p=0.63 and x=2 in the above formula.

P(x;p,n)=^7C_2(0.63)^2(1-0.63)^{(7-2)}

P(x;p,n)=\frac{7!}{2!5!}(0.3969)(0.37)^{5}\\P(x;p,n)=21(0.3969)(0.37)^{5}\\P(x;p,n)=0.0577974947199\\P(x;p,n)\approx0.057797

Hence, the probability is 0.057797

8 0
3 years ago
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