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ZanzabumX [31]
3 years ago
8

X + 4

Mathematics
1 answer:
Tju [1.3M]3 years ago
8 0

Answer:

where's the figure?, it's incomplete

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Solve for f.<br>-f + 2 + 4f = 8 - 3<br>f=​
Svet_ta [14]

Answer:

1

Step-by-step explanation:

-f + 2 + 4f = 8 - 3

3f = 6 - 3

3f = 3

f = 1

4 0
3 years ago
Read 2 more answers
A shipment of 40 fancy calculators contains 3 defective units. What is the probability if a college bookstore buys 20 calculator
JulsSmile [24]

Answer:

38.46%

Step-by-step explanation:

There are no names or marking that can make the calculator look different, so the order is not important. Then we should use a combination to solve this problem.

There are 40 calculators in one shipment, 37 of them good items and 3 of them are defect items. We need to choose 19 good calculators and 1 defect calculator. The number of ways to do that will be:

\frac{37}{19}* \frac{3}{1}= 37!\frac{37!}{19!(37-19!)} * \frac{3!}{1!(3-1)!}= 53017895700

The number of possible ways to choose 20 calculators out of 40 calculators will be:

\frac{40}{20}= \frac{40!}{20!(40-20!)}=137846528820

The chance will be: 53017895700/ 137846528820 = 0.3846= 38.46%

4 0
3 years ago
If you were solving a system of equations and you came to a statement like 4 = 4, what do you know about the solution to the sys
k0ka [10]
There are infinitely many solutions
4 0
3 years ago
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Using traditional methods, it takes 10.8 hours to receive a basic flying license. A new license training method using Computer A
sesenic [268]

Answer:

Hence the value of the test statistic is 0.780.

Step-by-step explanation:

Given:

Test Statistic:-

t=\frac{\bar{X}-\mu }{\frac{S}{\sqrt{n}}}

t=\frac{11.2-10.8 }{\frac{1.7}{\sqrt{11}}}

t=\frac{0.4}{0.5126}\\t=0.780

4 0
3 years ago
Find the total area for the regular pyramid T.A. =
Stolb23 [73]

Answer:

The answer to your question is At = 48 + 36\sqrt{3}

Step-by-step explanation:

Area = Area of the base + Lateral area

a) Area of the base

    Area = length x height / 2

    length = 12

    height² = 12² - 6²

                 = 144 - 36

                 = 108

    height = \sqrt{108} = 6\sqrt{3}

    Area = 12 x 6\sqrt{3} / 2

              = 36\sqrt{3}

b) Lateral area

   height² = 10² - 6²

                = 100 - 36

                = 64

   height = 8

   Area = 12 x 8/2

            = 48

c) Total area

   At = 48 + 36\sqrt{3}

4 0
3 years ago
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