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zimovet [89]
2 years ago
13

Mateo is draining a pool at a rate of 1/8 of a gallon every 1/2 hour. If he continues to drain the pool , how much waters will b

e drained in 1 hour?
Mathematics
2 answers:
11Alexandr11 [23.1K]2 years ago
8 0
If he drains 1/8 of a gallon in 1/2, the amount he will drain in one hour is twice as much as 1/8.

Mateo will drain 2/8 (simplified: 1/4) of a gallon in one hour.
masya89 [10]2 years ago
4 0
Just multiply numerator and denominator of the given rate by 2:

2(1/8) gallon        1/4 gallon
-----------------  =  ---------------- = 1/4 gallon per hour
2(1/2) hour)              1 hour
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The lemonade stand at the county fair sells the lemonade at a price of two cups for $3.60. Complete the table at right to find w
Tems11 [23]
I cant really help you with the table but she will need $14.40 to pay for it. This is because since two cups cost $3.60 you multiply 3.60 by 4. I got the 4 by dividing 8 into 2 because 8 people and 2 cups each
5 0
2 years ago
A scatter plot containing the point (6, 8) has the regression equation yˆ=6x+4 . What is the residual e when x = 6?
Anna11 [10]

Residual is the difference between the y value of scatter plot and y value of regression equation

A scatter plot containing the point (6, 8), the y value of scatter plot is 8

y=6x+4, to get y value of regression equation we plug in 6 for x

y = 6(6) + 4 = 40

Residual e = y value of scatter plot - y value of regression equation

=8 - 40 = -32

Answer : e=-32




5 0
2 years ago
Read 2 more answers
The scores of the students on a standardized test are normally distributed, with a mean of 500 and a standard deviation of 110.
ololo11 [35]
Μ = 500, population mean
σ = 110, population stadard deviation

The given table is
z  0.00       0.25       0.35      0.45      1.00      1.26       1.35     1.36
P  0.5000  0.5987  0.6368  0.6736  0.8413  0.8961  0.9115  0.9131

Range of random variable is X = [350, 550].

Calculate z-score for x = 350.
z = (350 - 500)/110 = -1.364
From the given tables,
The probability at x = 350 is
1 - 9131 = 0.0869

Calculate the z-score for x = 550.
z = (550 - 500)/110 = 0.454
From the given tables,
The probability at x = 550 is 0.6736

The probability that x =[350,550] is 
0.6736 - 0.0869 = 0.5867

Answer:  0.5867  (or 58.7%)

4 0
2 years ago
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An experiment reported in Popular Science compared fuel economies for two types of similarly equipped diesel mini trucks. Let us
expeople1 [14]
I don’t really understand this question so I will try to figure it out later
6 0
2 years ago
The amount of water that the girls on the basketball and soccer teams drink during one practice session is recorded in the dot p
Radda [10]

Answer:

<h2>B. 30 oz less than.</h2>

Step-by-step explanation:

We have two dot plots, one for the Basketball Team and one for the Soccer Team.

Notice that there are 16 girls in the Basketball Team and 16 girls in the Soccer Team.

Basically, the median is between the 8th and 9th term in each data set. Specifically, is the mean between them.

<h3>For Basketball Team</h3>

m_{basketball} =\frac{32+32}{2}=32

Because the 8th and 9th term are both equal to 32.

<h3>For Soccer Team</h3>

m_{soccer}=\frac{64+64}{2}=64

Because the 8th and 9th term are both equal to 64.

If we subtract them to find the difference, it would be

\Delta m=64-32=32

Basically, the Soccer Team drank 32 more ounces of water than the Basketball Team.

Therefore, the right answer is B, that's the closest one.

4 0
2 years ago
Read 2 more answers
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