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Elan Coil [88]
3 years ago
10

It snowed 72 cm in 24 hours

Mathematics
2 answers:
stiv31 [10]3 years ago
8 0

Answer:2953

Step-by-step explanation:

zimovet [89]3 years ago
5 0

Answer:

Step-by-step explanation:

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(5x - 7y + 8) + (-y + 6 - 4x) + (9 - 3x + 8y)
Mashutka [201]
The answer is -2x+ 23
8 0
3 years ago
Solve 270=3e^2.4K to the nearest hundredth
mojhsa [17]

Given:

The equation is:

270=3e^{2.4K}

To find:

The solution for the given equation to the nearest hundredth.

Solution:

We have,

270=3e^{2.4K}

Divide both sides by 3.

\dfrac{270}{3}=e^{2.4K}

90=e^{2.4K}

Taking ln on both sides, we get

\ln (90)=\ln e^{2.4K}

\ln (90)=2.4K                  [\because \ln e^x=x]

Divide both sides by 2.4.

\dfrac{\ln (90)}{2.4}=K

\dfrac{4.4998}{2.4}=K           [\because \ln (90)\approx 4.4998]

1.874916667=K

Round the value to the nearest hundredth (two decimal place)

K\approx 1.87

Therefore, the value of K is 1.87.

8 0
3 years ago
2/3 of the pizza was left over from last night. Then, Marcy ate another 2/9 of it. How much is left now?
valina [46]
First, find the LCD; that is 9.

2/3 = 6/9

6/9 – 2/9 = 4/9

There is 4/9 of the pizza left.
5 0
3 years ago
What is the amplitude, period, and phase shift of f(x) = −3 cos(4x + π) + 6?
hammer [34]
This is in the form of \sf acos(bx-c)+d.

Amplitude is equal to \sf |a|
Period is equal to \sf\dfrac{2\pi}{|b|}
Phase Shift is equal to \sf\dfrac{c}{b}

Plug in the values:

Amplitude:
\sf |a|\rightarrow |-3|\rightarrow\boxed{\sf 3}

Period:
\sf\dfrac{2\pi}{|4|}\rightarrow\dfrac{2\pi}{4}\rightarrow\boxed{\sf\dfrac{\pi}{2}}

Phase Shift:
\sf\dfrac{c}{b}\rightarrow\boxed{\sf -\dfrac{\pi}{4}}
6 0
3 years ago
During the first 11 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600
Aleks04 [339]

Answer:

D. $25,400

Step-by-step explanation:

Let x represent the score during December.

We have been given that during 1 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600 per month in donations.

The total score for 11 months would be 11\times 20,600=226600.

We can set our given information in an equation as:

\text{Average}=\frac{\text{Sum of all data points}}{\text{Total number of data points}}

\frac{226,600+x}{12}=21,000

\frac{226,600+x}{12}*12=21,000*12

226,600+x=252,000

226,600-226,600+x=252,000-226,600

x=25,400

Therefore, the organization received $25,400 in donations during December and option D is the correct choice.

7 0
3 years ago
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