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zhannawk [14.2K]
3 years ago
9

Y'all please help me out I reallyy badly need some help!!!! :).

Mathematics
2 answers:
Kipish [7]3 years ago
5 0

Answer:

x=5

Step-by-step explanation:

We can use ratios to solve

CB        CD

------ = -----------

CA          CE

5x       20

----  = --------

45       36

Using cross products

5x * 36 = 45* 20

180x = 900

Divide by 180

x = 900/180

x =5

KengaRu [80]3 years ago
3 0

Answer:

D. 5

Step-by-step explanation:

You can use proportions to solve this.

36/45=20/5x

Cross multiply the 5x and 36 as well as the 45 and 20

180x=900

Then, divide the 900 by 180

5

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Pavel [41]
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y = 2x -4
next plug in 6 for x.
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aleksklad [387]

Answer:

See the explanation below

Step-by-step explanation:

Which number has the greatest value

From the given list of numbers

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A 8.07 x 10^5

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3 years ago
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8 0
3 years ago
A town has a fireworks display, where fireworks are set off from a bridge over a lake. The function h (t) = -16t2 + 150t + 10.5
Elodia [21]

Answer:

h(t) = 4.68 seconds

Step-by-step explanation:

The function that represents the height of each firework in feet is :

h (t) = -16t^2 + 150t + 10.5 .....(1)

We need to find the time the fireworks take to reach their maximum height. For maximum height,

dh/dt = 0

So,

\dfrac{d}{dt}(-16t^2 + 150t + 10.5 )=0\\\\-32t+150=0\\\\t=\dfrac{150}{32}\\\\t=4.68\ s

Put t = 4.68 in equation (1).

h (t) = -16(4.68)^2 + 150(4.68)+ 10.5\\\\h(t)=362.06\ text{feet}

So, the fireworks will take 4.68 seconds to their maximum height.    

7 0
3 years ago
Hi I need help here Is one of the questions Find the GCF of 8 and 12
telo118 [61]
44444444444444444444
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4 years ago
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