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zhenek [66]
3 years ago
5

Iready question help fast pls

Mathematics
2 answers:
abruzzese [7]3 years ago
8 0
13 floors is the correct answer
Firdavs [7]3 years ago
5 0

Answer:

13 floors :)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

Step-by-step explanation:

You might be interested in
The startup division made 80% of 1/2 of the established division. The startup division’s growth was 1/3 greater than the establi
Gnesinka [82]

Answer:


Step-by-step explanation:

<u><em>First, let's create variables:</em></u>

<u><em>s = startup division</em></u>

<u><em>e = established divisioN</em></u>

<em>The startup division made 80% of 1/2 of the established division. </em>

<em>Let's take a look at what the above statement means: Making 80% of 1/2 means...</em>

<em>0.8 of 1/2 = 0.8*0.5 = 0.4 --> s = 0.4e.</em>

<em>Next: The startup division’s growth was 1/3 greater than the established division’s.</em>

<em>Seems like this is additional information is not needed.</em>

<em>If the divisions made 280,000 combined, how much did the startup division make?</em>

<em>s + e = 280,000 --> s = 280,000 - e, then we can substitude s = 0.4e for s --></em>

<em>280,000 - e = 0.4e --> 1.4e = 280,000 --> e = 200,000.</em>

<em>This means that s = </em><u><em>80,000.</em></u>

<u><em>MARK AS BRAINLEST PLZZZZZ</em></u>


5 0
2 years ago
At an antique boat show, 90% of the boats are made of a natural, polished wood. 75% of the boats have some chrome accents on the
nadya68 [22]

Answer:

0.933 ; not independent

Step-by-step explanation:

Given :

A - made from natural polished wood

B - made from chrome accent

P(A) = 0.9

P(B) = 0.75

P(AnB) = 0.7

1.) probability of natural wood Giveb that it has chrome accent

P(A|B) = P(AnB) / P(B)

P(A|B) = 0.7 / 0.75

P(A|B) = 0.933

2.)

For an independent event :

P(AnB) = p(A) * p(B)

P(AnB) = 0.9 * 0.75 = 0.675

However, p(AnB) Given here is 0.7, thus the event aren't independent

3 0
3 years ago
1) Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now and what is the
Mice21 [21]

Answer:

Part 1) Helen's age is 32 years old and Jane's age is 24 years old

Part 2) 13 twenty-dollar bills

Step-by-step explanation:

Part 1) Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now and what is the equation?

Let

x----> Helen's age

y---> Jane's age

we know that

x=y+8 ----> equation A

(x-20)=3(y-20) -----> equation B

substitute equation A in equation B and solve for y

(y+8-20)=3(y-20)

y-12=3y-60

3y-y=60-12

2y=48

y=24 years

Find the value of x

x=y+8

x=24+8=32 years

Part 2)

Let

x-----> the number of five-dollar bills

y----> the number of twenty-dollar bills

we know that

5x+20y=305 -----> equation A

y=x+4 ------> x=y-4 ------> equation B

substitute equation B in equation A and solve for y

5(y-4)+20y=305

5y-20+20y=305

25y=325

y=13 twenty-dollar bills

Find the value of x

x=y-4

x=13-4=9  five-dollar bills

5 0
3 years ago
Find the measure of the arc for abc
Luda [366]

Answer:

124

Step-by-step explanation:

360 - (90+146) = 124

5 0
2 years ago
52<br> 5v2.<br> Find the value of x. Write your answer in simplest form.
mart [117]

Answer:

I can't understood it is complicated

5 0
3 years ago
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