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goldfiish [28.3K]
3 years ago
9

Lexi can paint 5 yards of fencing in one hour. At this rate how many inches does she paint per min?

Mathematics
1 answer:
Kisachek [45]3 years ago
7 0

1 yard is 36 inches  

so 5 yards are 180 inches  

1 hour is 60 minutes  

so in 60 minutes she paints 180 inches  

or in 1 minute she paints 3 inches




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BRAINLIEST + POINTS! Please explain
ivolga24 [154]

Answer:

Option D. \$83.75  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=30\ years\\ P=\$187.45*0.10=\$18.745\\ r=0.05\\n=12  

substitute in the formula above  

A=\$18.745(1+\frac{0.05}{12})^{12*30}=\$83.75  

3 0
3 years ago
What is the equation in slope-intercept form of a line with<br> slope -5/4 and y-intercept 2?
Irina18 [472]
Y = -5/4x + 2

y = mx + b. MX = slope, b = y int, they alr gave us slope and y-int, so just plug into equation form

Mark brainliest please
8 0
2 years ago
Read 2 more answers
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mihalych1998 [28]

Answer:The mean for the data in the dot plot is 5. What is the

absolute deviation for the data point at 7?

2

Step-by-step explanation:

7 0
2 years ago
The chances of a tax return being audited are about 21 in 1 comma 000 if an income is less than​ $100,000 and 29 in 1 comma 000
vladimir2022 [97]

Answer:

a) p=0.021

b) p=0.029

c) Exactly one audit: P=0.0965

More than one audit: P=0.0042

Step-by-step explanation:

a) If the income is less than $100,000, there is a probability of 21 in 1,000 of being audited. This is:

p_1=\dfrac{21}{1,000}=0.021

If the income is equal or more than $100,000, there is a probability of 29 in 1,000 of being audited. This is:

p_2=\dfrac{29}{1,000}=0.029

b) If we have 5 taxpayers with incomes under $100,000, and we want to know the probability that exactly one will be audited, we can model this a binomial randome variable, with p=0.021 and n=5:

P(x=1) = \dbinom{5}{1} p^{1}q^{4}=5*0.021*0.9186=0.0965\\\\

There is a probability of 0.0965 that exactly one out of a sample of five taxpayers with incomes under $100,000 will be audited.

To calculate the probability that more than one will be audited, we use the same distribution:

P(x>1)=1-[P(x=0)+P(x=1)]\\\\\\P(x=0) = \dbinom{5}{0} p^{0}q^{5}=1*1*0.8993=0.8993\\\\\\P(x=1) = \dbinom{5}{1} p^{1}q^{4}=5*0.021*0.9186=0.0965\\\\\\P(x>1)=1-[P(x=0)+P(x=1)]\\\\P(x>1)=1-(0.8993+0.0965)\\\\P(x>1)=1-0.9958\\\\P(x>1)=0.0042

There is a probability of 0.0042 that more than one out of a sample of five taxpayers with incomes under $100,000 will be audited.

8 0
3 years ago
Hiiiooo!! I really need help. Can someone please help❤️❤️:D
nata0808 [166]

Answer:

10√2 inches (second option)

Explanation:

visualise a square in your head. then, imagine a diagonal running through it. that diagonal would separate the square into two triangles. so to find the diagonal, we first need to find the length of the square (which would serve as the base and height of the triangle).

we can simply divide the perimeter by 4 to get the length of each side, which would then be 40 ÷ 4 = 10.

next, we can use the formula of the pythagorus theorum! it states that a² + b² = c², where a, b and c are represented by the following image:

for our equation, this would translate to 10² + 10² = c², and c would be the length of the diagonal.

100 + 100 = c²

200 = c²

in radical form, the square root of 200 would be 10√2. therefore, the length of the diagonal is 10√2 inches, which is the second option.

i hope this helps! :D

6 0
3 years ago
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