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seraphim [82]
4 years ago
10

brainleiest!!! What is the unit rate for 4543.08 km in 52.4 h? Enter your answer, as a decimal, in the box. km/h

Mathematics
2 answers:
Monica [59]4 years ago
7 0
(52.4) / (4543.08) = 0.0115 hour per kilometer  

(4543.08) / (52.4) = 86.7 km per hour 
ivann1987 [24]4 years ago
6 0

Answer:

86.7

Step-by-step explanation:

you divide 4543.08 by 52.4

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Question 2 of 5
Temka [501]

The surface area of the pyramid is 18,541 mm² . Option C

<h3>How to determine the surface area</h3>

The formula for surface area of a regular hexagonal prism is expressed as;

A =\frac{3\sqrt{3} }{2} a^2 + 3a\sqrt{h^2+\frac{3a^2}{4} }

Where;

  • a is the edge length = 44 millimeters
  • h is the height = 95 millimeters

A = 2. 598 ( 44)² + 3(44) \sqrt{(95)^2+\frac{3(44)^2}{4} }

Simplify

A = 5029. 728 + 132 \sqrt{10477}

Find the square root

A = 5029. 728 + 132(102. 357)

expand the bracket

A = 5029. 728 + 13511. 124

A = 18, 540. 85

A =  18,541 mm² in thee nearest square millimeter

Thus, the surface area of the pyramid is 18,541 mm² . Option C

Learn more about surface area here:

brainly.com/question/22744289

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8 0
2 years ago
Which equation is represented by the graph below?<br>​
Anarel [89]
Y= -1/2x+2 since the y-intercept is 2 and the slope is going down by 1/2, you can find the equation using the y=mx+b form
6 0
3 years ago
Read 2 more answers
Rosie buys 2 books for j pounds each Write an expression for the total of both books
shepuryov [24]

Answer:

2j = t (total)

Step-by-step explanation:

2 (books) times j(pounds) = total

8 0
3 years ago
If we inspect photocopy paper by randomly drawing 5 sheets without replacement from every pack of 500, what is the probability o
earnstyle [38]

Answer:

98.01% probability of getting 5 clean sheets

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, the order that the sheets are chosen is not important, so we use the combinations formula to solve this problem.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

0.4% of the sheets contain spots

Of 500, that is 0.004*500 = 2.

What is the probability of getting 5 clean sheets although 0.4% of the sheets contain spots?

Desired outcomes

2 are defective, so 5 sheets from a set of 500 - 2 = 498.

D = C_{498,5} = \frac{498!}{5!493!} = 250160254344

Total outcomes

5 sheets from a set of 500.

T = C_{500,5} = \frac{500!}{5!495!} = 255244687600

Probability:

P = \frac{D}{T} = \frac{250160254344}{255244687600} = 0.9801

98.01% probability of getting 5 clean sheets

7 0
4 years ago
1100 feet per second into miles per hour
nexus9112 [7]
1100 feet per second is 750 miles per hour
3 0
3 years ago
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