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Varvara68 [4.7K]
3 years ago
7

Plane STL and plane Z would intersect at VTX. True or False?

Mathematics
2 answers:
Monica [59]3 years ago
7 0

Answer:

False

Step-by-step explanation:

Since, we are given that the STL is a plane and also Z is a plane, then according to geometry, their intersection will give a line. Since, VTX is also a plane according to the figure given, therefore, intersection of the two planes that is STL and Z will give a line and not the plane VTX. Therefore, plane STL and plane Z will not intersect at VTX.

Hence, the given statement is false.

diamong [38]3 years ago
5 0
<span>False i believe i think</span>
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A survey of 100 similar-sized hospitals revealed a mean daily census in the pediatrics service of 27 with a standard deviation o
Vinil7 [7]

Answer:

We conclude that the mean is greater than 25.  

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 25

Sample mean, \bar{x} = 27

Sample size, n = 100

Alpha, α = 0.05

Sample standard deviation, s = 6.5

First, we design the null and the alternate hypothesis

H_{0}: \mu = 25\\H_A: \mu> 25

We use One-tailed(right) z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{27 - 25}{\frac{6.5}{\sqrt{100}} } = 3.07

Now, z_{critical} \text{ at 0.05 level of significance } = 1.645

Since,  

z_{stat} > z_{critical}

We reject the null hypothesis and accept the alternate hypothesis.

Thus,  the mean is greater than 25.

3 0
3 years ago
Jacob obtained a 15-year, $245,900 for his new vacation home. The interest rate is 5.5% and his monthly payment is $2,009.21. Fo
Blizzard [7]
He would pay $2119.72 and his remaing balance would be $243,780.28
3 0
3 years ago
A used bookstore sells hardback books and paperback books.A hardback book costs $11, including tax.A paperback book costs $5, in
Ket [755]

Answer:

D.5

Step-by-step explanation:

You can write the following equations from the information given:

y=x+3 (1)

11x+5y=47 (2)

x is the number of hardback books

y is the number of paperback books

You can replace (1) in (2):

11x+5(x+3)=47

11x+5x+15=47

16x=47-15

16x=32

x=32/16

x=2

Then, you can replace the value of x in (1) to find the value of y:

y=2+3

y=5

According to this, the answer is that Jamal bought 5 paperback books.

6 0
3 years ago
The volume of a cubic box is 10 to the power of 6 cubic millimeters. Write the volume in standard form
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1 \times 10^{6} mm^{3}
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If Manuel does a job in 150 hours and with the help of Shantel they can do it together in 50 hours, how long would it take Shant
Alex Ar [27]
75 hours because 150 divided by two is 75
6 0
3 years ago
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