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777dan777 [17]
2 years ago
14

A tree that is 4 meters tall casts a shadow that's 2.5 meters long. A building has a shadow that's 20 meters long. How tall is t

he building?
Mathematics
1 answer:
never [62]2 years ago
8 0

Hey There!

To find the height of the building there is only one way I can think of to find the answer;

Figure out the % 2.5 is out of 4 and apply that to 20...

2.5 is 62.5% of 4 and the tree is four meters tall.

20 is 62.5% of 32, so the building could be 32 meters tall

Hope I helped, Brainliest & Five stars is always appreciated.

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6 $44 is shared between David, Jo and Mary in the ratio 2:3:5<br> How much does each receive?
OverLord2011 [107]

Answer:

David=$8.8

Jo=$13.2

Mary=$22

Step-by-step explanation:

2+3+5=10

44/10=4.4

David=4.4x2=$8.8

Jo=4.4x3=$13.2

Mary=4.4x5=$22

8.8+13.2+22=44

8 0
3 years ago
Help me do this please
kipiarov [429]

Answer:

I can not see the image but if you write it I promise that I will answer it as quickly as possible...

Step-by-step explanation:

5 0
2 years ago
The size of a computer monitor is usually measured along the diagonal. An 18-in. rectangular monitor has a height of 9 in. What
stiv31 [10]
You would use the Pythagorem Theory which is a^2 + b^2 = c^2
the diagonal being c and it doesn't matter how you substitute tho other either a or b. the answer is 15.588 or 15.6 inches
7 0
3 years ago
Read 2 more answers
I have been struggling at this please help
Taya2010 [7]

Answer:

21

Step-by-step explanation:

I shall change the pictures to letters

a + a + b = 40 --(1)

b - c = 7 --(2)

c + a = 19 --(3)

a - c + b = ?

From (1):

2a + b = 40

b = 40 - 2a --(4)

From (2):

b = 7 + c --(5)

Sub (4) into (5):

40 - 2a = 7 + c

c = 33 - 2a --(6)

Sub (6) into (3):

33 - 2a + a = 19

a = 14

Sub a = 14 into (4) and (6):

b = 40 - 2(14) = 12

c = 33 - 2(14) = 5

therefore, a - c + b = 14 - 5 + 12 = 21

Topic: simultaneous equations

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

5 0
3 years ago
Really need a definite correct answer on this
cluponka [151]
Third choice is correct hope I helped:3
6 0
2 years ago
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