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Svetach [21]
3 years ago
11

A farmer recently purchased his

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

la respuesta que buscas es bastante simple pero no lo sé

Step-by-step explanation:

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Brandon just got a job at a restaurant. He worked 7 hours and got paid $63. He earns the same amount each hour. How much did Bra
lukranit [14]

Answer:

Brandon will make 9 dollars an hour while he works at the resturant

Step-by-step explanation:

63/7=9

4 0
3 years ago
Read 2 more answers
The quotient of 3 times a number and 16 is 12. Find the number
aleksandrvk [35]

Answer:

64

Step-by-step explanation:

3n÷16=12

3n=12×16

3n=192

3n/3=192/3

n=64

5 0
3 years ago
What is the slope of the line whose function f satisfies f(−2)=1  and  f(5)=−10f(−2)=1  and  f(5)=−10?
Radda [10]
M = (f(5) -f(-2))/(5 -(-2)) = (-10 -1)/7
m = -11/7

The slope of the line is -11/7.

4 0
3 years ago
The lifetime of a certain brand of battery is known to have a standard deviation of 9 hours. Suppose that a random sample of 90
Rina8888 [55]

Answer:

lower limit : 36.44

upper limit : 39.56

Step-by-step explanation:

Given :

s = 9

n = 90

x = 38.9

Alpha, α = 0.10

∴ $z_{\alpha/2}=z_{0.05} = 1.645$

The confidence interval is :

$=x \pm\left(z_{\alpha /2} \times \frac{s}{\sqrt{n}}\right)$

$=38.9 \pm\left(1.645 \times \frac{9}{\sqrt{90}}\right)$

$=38.9 \pm 1.56$

$=(36.44, 39.56)$

Therefore,

lower limit : 36.44

upper limit : 39.56

3 0
3 years ago
How many different ways can the letters of “football” be arranged
makvit [3.9K]
<h3>Answer:   10,080</h3>

Explanation:

There are 8 letters so there are 8! = 8*7*6*5*4*3*2*1 = 40,320 permutations of those letters. However, the letters "O" and "L" show up twice each, so we must divide by 2! = 2*1 = 2 for each instance this happens.

So,

(8!)/(2!*2!) = (40,320)/(2*2) = (40,320)/4 = 10,080

is the number of ways to arrange the letters of "football".

The reason we divide by 2 for each instance of a duplicate letter is because we can't tell the difference between the two "O"s or the two "L"s. If there was a way to distinguish between them, then we wouldnt have to divide by 2.

3 0
3 years ago
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