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2 years ago

15

NEED HELP ASAP!!!!!!!!!! SOS!!!!!!!!!!!

1 answer:

prisoha [69]2 years ago

6 0

Answer:

d. 36

Step-by-step explanation:

you would create a proportion of 11.5 over 34.5 then you would make it equal to 12 over x. Then cross multiply 34.5 by 12 to get 414. then you would divide this by 11.5 to get 36

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Can anyone pls helppppp

dalvyx [7]

Hourly rate:
39(1.3r) = 541.80
(hours times hourly rate equals profit)

then solve
1.3r = 13.89
r = 10.69

the hourly rate is $10.69

to answer the bottom question, 390 + 117 = 507, but that’s not close to 541.80 so I have no idea what they’re asking there

4 0

2 years ago

At the same time a 50 ft cell phone tower casts a 32 ft shadow, a near by light pole casts a 20 ft shadow. How tall is the light

White raven [17]

Answer: 31.25 ft

Step-by-step explanation:

50 / 32 = x / 20

32x = 50(20)

x = 31.25 ft

7 0

2 years ago

(3t + 7)−2(6.3t + 4) *<br><br> 15.6t − 1<br> 15.6t + 15<br> −9.6t + 15<br> −9.6t - 1

vodka [1.7K]

Answer:the anser is -9.6t-1

Step-by-step explanation:

8 0

2 years ago

Please help as soon as possible

Gemiola [76]

-3.7, 12/20, and 330%

4 0

1 year ago

Read 2 more answers

Situation D: Suppose that, in a one-minute period during an electrical storm, the number of lightning strikes on a radar antenna

Crank

Answer:

21.77% probability that the antenna will be struck exactly once during this time period.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

In this question:

$\mu = 2.40$

Find the probability that the antenna will be struck exactly once during this time period.

This is P(X = 1).

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 1) = \frac{e^{-2.40}*2.40^{1}}{(1)!} = 0.2177$

21.77% probability that the antenna will be struck exactly once during this time period.

3 0

2 years ago