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olasank [31]
3 years ago
10

I will mark brainlist and 5 stars, please help.

Mathematics
2 answers:
gtnhenbr [62]3 years ago
8 0

Answer:

c

Step-by-step explanation:

since the rectangles are similar their sides are in proportion

h/210 = 60/84

h= 60*210/84 = 150 cm

Vedmedyk [2.9K]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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Prove that the value of the expression (2^10+2^8)(2^5-2^3) is divisible by 60
bearhunter [10]

Let's simplify it, because if we do, we can find the value and then deduce whether it is divisible by 60.

2^10 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2

2^10 = 1,024

2^8 = 256

2^5 = 32

2^3 = 8

Substitute the expressions in the equation for their values...

(1,024+256)(32-8)

Simplify...

(1,280)(24)

Simplify...

30,720

Now, divide it by 60...

512 * 60 = 30,720

512*60=(2^10+2^8)(2^5-2^3)

5 0
3 years ago
When it comes to airport security, when in come to passengers going through security and being flagged as a risk, what kind of p
romanna [79]

Answer:

Correct option: (A) Someone with dangerous material that pass through security.

Step-by-step explanation:

Before boarding a flight every person has to pass through airport security.

The security checks every person thoroughly before they are confirmed as safe to go.

The security checks every person for some harmful substances like, weapons, chemical,etc.

If a person is caught with any of these objects the security stops them from boarding the plane.

So if a person is flagged as a risk by the airport security, he/she should have been carrying any kind of harmful substances.

Thus, the correct option is (A).

8 0
3 years ago
Kat runs 3 1/2 miles in 3/4 of an hour. What is her unit rate? Use fractions to find out and express your answer as a mixed numb
Drupady [299]

Answer:

This is a fraction equal to

30 miles ÷ 2.5 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 2.5

30 miles ÷ 2.5

2.5 hours ÷ 2.5

=

12 miles

1 hour = 12 miles hour = 12 miles per hour

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A soup company wants to have a cylinder shape for their soup can. Determine the volume of the soup can if the diameter is 7.5 cm
Anettt [7]
To determine the volume of a cylinder, you need to use the formula V = pi*r^2*h

To calculate the radius, all we have to do is divide the diameter by 2.

7.5/2 = 3.75

Now we can plug in the values.

V = 3.14 * 3.75 * 11 = 485.7 (This answer is rounded to the nearest tenth. Original answer: 485.71875)

Your answer is 485.7



3 0
3 years ago
Read 2 more answers
Find the domain and range please!
kirza4 [7]

Answer:

domain: -2 < x < 4

range: -∞ < y < 9

Step-by-step explanation:

domain: because the domain is all of the x-values, just look for the furthest one to the left, which is -2, and then look for the one that is furthest to the right, it being 4.

range: because the quadratic function has the two arrows continuing downwards, toward the negative portion of the graph, it would be -∞. Then look for the maximum of the graph, which would be considered the most highest part of the graph, which is seen on the graph as 9.

7 0
3 years ago
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