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Nata [24]
4 years ago
14

Can I plz have some help​

Mathematics
1 answer:
ella [17]4 years ago
6 0
I think it is 63 because a triangle equals 180
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Everything is in the screen shoot
sattari [20]

Answer:

z = 106°

As a straight line has total 180°

Find the top inside angle:

t + 142° = 180°

t = 180° - 142°

t = 38°

Two opposite angles sum up to exterior angle.

<u>Now find z:</u>

68° + 38°

106°

4 0
2 years ago
Read 2 more answers
Energy resources that exist in limited amounts and, once used, cannot be replaced except over the course of millions of years ar
astra-53 [7]
They're called nonrenewable energy resources. Hope this helps ^^
4 0
3 years ago
Read 2 more answers
15.) A ticket to last years homecoming dance was $12.50. If the total revenue from ticket sales was
Arisa [49]

Answer:

1527

Step-by-step explanation:

just do 19,087.50 divided by 12.50

6 0
4 years ago
Drake rolls two fair number cubes.
Misha Larkins [42]

Answer:

The probability that the product of 2 numbers that Drake rolls is less than = \frac{17}{36}

Step-by-step explanation:

Drake rolls two fair number cubes i.e. 6 sided die. He then multiplies the numbers shown on each die. The result of the all possible products are shown in the given table. The given table is missing a 1 in the first row. The complete first row will be:

1 2 3 4 5 6

The total number of possible outcomes are 36. We have to find the probability that product of two numbers that Drake rolled is less than 10. For this, first we need to count the number of outcomes that are less than 10. From the table we can see that the number of possible outcomes that are less than 10 are = 17

Probability is defined as the ratio of favorable outcomes to the total number of outcomes. Here, total outcomes are 36 and favorable outcomes are 17.

So,

The probability that the product of 2 numbers that Drake rolls is less than = \frac{17}{36}

8 0
4 years ago
A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is tak
Naily [24]

The 99% Confidence interval for the mean sale time for all homes in the neighborhood is:87.857, 112.143.

<h3>Confidence interval</h3>

a. The assumption is: Assume that the population has a normal distribution.

The CI  is exact for the normal populations and for small samples the z-interval method should be used in a situation where the variable is normally distributed.

b. Confidence interval:

CI=Sample mean±z-score×Standard deviation/√Size of the sample

CI=100-2.576×20/√18, 100+2.576×20/√18

CI=100-12.143, 100+12.143

CI=87.857, 112.143

Therefore the 99% Confidence interval is 87.857, 112.143.

Learn more about Confidence interval here:brainly.com/question/15712887

#SPJ1

6 0
2 years ago
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