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sattari [20]
3 years ago
6

Which of the sets shown include the elements of Set Z that are both even numbers and multiples of 3? Z = {–12, –10, –9, –1, 3, 6

, 8, 15} A. {6} B. {–12, 6} C. {–12, –9, 3, 6, 15} D. {–12, –10, –9, –1, 3, 6, 8, 15}
Mathematics
1 answer:
gregori [183]3 years ago
6 0

Answer:

B. -12,6

Step-by-step explanation:

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Oil spill spreads 25 m² every 1/6 hour how much area does the oil spill cover after two hours
Delvig [45]
1/6 of an hour is 10 minutes because there are 60 minutes in an hour so 60/6=10
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now just multiply 25 by 12 ( 12 lots of 10 minutes in 2 hours)
25*12=300
answer is 300m^2

hope this helped
6 0
2 years ago
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What is the slope of the line passing through points A(−18,24) and B(16,−8)?
Anastaziya [24]
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M= --------- = ----------- = ------ = --------------- = ------
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6 0
3 years ago
Sales prices of baseball cards from the 1960s are known topossess a skewed-right distribution with a mean sale price of $5.25and
Serga [27]

Answer:

c. Skewed-right with a mean of $5.25 and a standard error of$0.28

Step-by-step explanation:

As we have given that Sales prices of baseball cards have a right-skewed distribution with a mean $5.25 and a standard deviation is $2.80.

Now, We know that if standard deviation = σ

then, standard error = \frac{\sigma}{\sqrt{n}}

As, we have standard deviation = $2.80

then standard error will be \frac{2.80}{\sqrt{100}}

⇒ Standard error = $0.28

Hence, Option (c) is the correct option.

6 0
3 years ago
Use Heron's Formula to find the area of triangle ABC. Round your answer to the nearest whole number.
Scrat [10]

Step-by-step explanation:

use herons formula

√s(s-a)(s-b)(s-c)

where s is the semi perimeter

S=20

and a,b,c are sides of triangle

=√20(20-17)(20-9)(20-14)

=√20.3.11.6

=62.92

nearest whole number is 63

option B is correct

8 0
2 years ago
Find The Area of triangle ABC
Sergeeva-Olga [200]

Answer:

b.  area = 18 square units

Step-by-step explanation:

area of a triangle = 1/2 * base * height

area = 1/2 (6+3) + (6-2)

area = 1/2 * 9 * 4

area = 18 square units

therefore the answer is b.

3 0
3 years ago
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