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mote1985 [20]
3 years ago
15

2x=(360÷4) solve for x

Mathematics
2 answers:
kati45 [8]3 years ago
8 0

2x=(360÷4)

2x=90

x=90/2

x=45

Aliun [14]3 years ago
8 0
2x=(360/4) First, divide the right side
2x=90 Second, bring 2 to the right side
x=90/2 Third, divide
x=45 Answer

Hope it helped!
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John ran 6 2/3 miles last week he ran 1 1/3 miles each day how many days did he run
Murljashka [212]

6\frac{2}{3} = \frac{3(6) + 2}{3} = \frac{20}{3} miles

1\frac{1}{3} = \frac{3(1) + 1}{3} = \frac{4}{3} miles/day

\frac{20}{3} miles ÷ \frac{4}{3} miles/day

= \frac{20(miles)}{3} * \frac{3(days)}{4 (miles)}

= \frac{20(3) days}{3(4)} = \frac{20 days}{4} = 5 days

Answer: 5 days

4 0
2 years ago
A survey showed that the probability that an employee gets placed in a job that is suitable for the employee is 0.65. A psychome
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Answer would be A)0.105.
6 0
3 years ago
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In an all boys school, the heights of the student body are normally distributed with a mean of 70 inches and a standard deviatio
almond37 [142]

Answer:

0.010

Step-by-step explanation:

We solve the above question using z score formula

z = (x-μ)/σ, where

x is the raw score = 63 inches

μ is the population mean = 70 inches

σ is the population standard deviation = 3 inches

For x shorter than 63 inches = x < 63

Z score = x - μ/σ

= 63 - 70/3

= -2.33333

Probability value from Z-Table:

P(x<63) = 0.0098153

Approximately to the nearest thousandth = 0.010

Therefore, the probability that a randomly selected student will be shorter than 63 inches tall, to the nearest thousandth is 0.010.

3 0
2 years ago
The exact value of cos 13pi/8 is
Naily [24]

Answer:

answer is : Cos(13pi/8) = 0.3826  

Step-by-step explanation:

We have, Cos (13pi/8)

Since 13pi/8 can be shown as 3pi/2 < 13pi/8 < 2pi

Hence 13pi/8 lies on fourth quadrant.

In fourth quadrant cosine will be positive.

Cos (13pi/8) = cos(3pi/2 + pi/8)

applying formula cos(A+B) = cos A cosB - sinAsinB

i.e Cos(3pi/2 + pi/8) = cos(3pi/2)cos(pi/8) - sin(3pi/2)sin(pi/8)

∵ Remember cos(3pi/2) =0 , sin(3pi/2) = -1

     Cos(3pi/2 + pi/8) = 0 cos(pi/8) - (-1)sin(pi/8)

     Cos(3pi/2 + pi/8) = 0  + 0.3826

      Cos(3pi/2 + pi/8) = 0.3826

Hence we got Cos(13pi/8) = 0.3826                          

6 0
3 years ago
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Simora [160]

Answer: y=-13/12x-7

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Now that we have our slope, we can start filling out the slope-intercept form equation.

y=mx+b

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Since we don't know the y-intercept, we can use one of the given points and solve for b.

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6=13+b                                              [subtract both sides by 13]

b=-7

With the y-intercept, we can complete our equation.

y=-13/12x-7

4 0
2 years ago
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