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Mashutka [201]
3 years ago
10

in toby's yard there are 4 petunias for every 7 rhododendrons toby counts a total of 28 rhododendrons in his yard how many petun

ias are in Toby's yard
Mathematics
1 answer:
mamaluj [8]3 years ago
3 0

Answer:

16 petunias

Step-by-step explanation:

28/7  =  x/4

7x=28*4

7x= 112

x=112/7

x=16

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Major league baseball salaries averaged $1.5 million with a standard deviation of $0.8 million in 1994. suppose a sample of 100
seropon [69]

Answer: The probability that the avg. salary of the 100 players exceeded $1 million is approximately 1.

Explanation:

Step 1: Estimate the standard error. Standard error can be calcualted by dividing the standard deviation by the square root of the sample size:

SE=\frac{0.8}{\sqrt{100}}=\frac{0.8}{10} = 0.08

So, Standard Error is 0.08 million or $80,000.

Step 2: Next, estimate the mean is how many standard errors below the population mean $1 million.

\frac{1 - 1.5}{0.08}

=-6.250

-6.250 means that $1 million is siz standard errors away from the mean. Since, the value is too far from the bell-shaped normal distribution curve that nearly 100% of the values are greater than it.

Therefore, we can say that because 100% values are greater than it, probability that the avg. salary of the 100 players exceeded $1 million is approximately 1.

5 0
2 years ago
PLEASE ANSWER + BRAINLIEST !!!!<br><br> Find the indicated sum for the arithmetic series.
schepotkina [342]
Hello there,


I believe the answer would be 17×6 - 6(9+14)(6)/2 = 102 -414 = -312 but i am not 100% Sure!! Sorry if I am wrong!

Hope I helped
8 0
3 years ago
This is the last time its happened twice please i need the answer
slamgirl [31]

Answer:

I think the answer is F hope its right fingers crossed!

Step-by-step explanation:

3 0
2 years ago
What is the division property of exponents?
zavuch27 [327]
<h3>Answer:</h3>

\dfrac{a^b}{a^c}=a^{(b-c)}

<h3>Step-by-step explanation:</h3>

An exponent represents repeated multiplication. For example, ...

... x^3 = x·x·x

... x^2 = x·x

If we divide these, the x's in the denominator cancel an equal number in the numerator:

... (x·x·x)/(x·x) = x

If we represent the repeated multiplication using exponents, we can represent the cancellation by subtraction:

... (x^3)/(x^2) = x^(3-2) = x^1 = x

Once we have this idea in mind that division can be done by subtracting denominator exponents, we can use it regardless of the magnitude or sign of the exponents involved.

7 0
3 years ago
Help!!!!
Alexxx [7]
Point B is located at (-2, 5).

In ordered pairs (the point), the x value is first, then the y value is second. Like so: (x,y). According to your question, it is (-2,5). This means the point is left 2 in the x direction, and up 5 in the y direction. This is point B.

I hope this Helps!
8 0
3 years ago
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