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Alona [7]
3 years ago
11

PLEASEE HELP HURRYYYYYY PLEASE

Mathematics
1 answer:
olga2289 [7]3 years ago
5 0

Answer:

12.5

Step-by-step explanation:

We can use ratios to solve

4        4+6

---- = ----------

5         AC

4        10

---- = ----------

5         AC

Using cross products

4 * AC = 5*10

4AC = 50

Divide by 4

AC = 50/4

AC =12.5

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Answer:

\frac{1}{3} = m

Step-by-step explanation:

\frac{-y_1 + y_2}{-x_1 + x_2} = m

\frac{-2 + 7}{-2 + 17} = \frac{5}{15} = \frac{1}{3}

I am joyous to assist you anytime.

6 0
3 years ago
What is the value of 3 in the following numbers 6.13​
expeople1 [14]

Answer:

3 hundredths or .03

Step-by-step explanation:

3 0
3 years ago
Nicole earns $40,768 per year, what are her weekly gross earnings?
Karolina [17]
($40768/y)(y/52w)=$784/week

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4 0
3 years ago
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A castle has to be guarded 24 hours a day five knights are ordered to split each day's guard duty equally how long will each kni
disa [49]

Answer:

Each knight will 4.8 hrs spend on guard in one day

Step-by-step explanation:

A castle has to be guarded 24 hours a day 5 knights are ordered to split each day's guard duty equally

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That means 24 hours time has to be equally divided among the 5 knights

= 24 / 5 = 4.8

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4 0
3 years ago
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
hichkok12 [17]

Answer:

lower than Amanda:  816 students

Step-by-step explanation:

An equivalent way in which to state this problem is:  Find the area under the standard normal curve to the left (below) 940.

Most modern calculators have built in distribution functions.

In this case I entered the single command   normalcdf(-1000,940, 850, 100)

and obtained 0.816.

In this particular situation, this means that 0.816(1000 students) scored lower than Amanda:  816 students.

6 0
3 years ago
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