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Vlad1618 [11]
3 years ago
12

Write 3,680,225 in expanded form​

Mathematics
1 answer:
marta [7]3 years ago
7 0

Answer:

3,000,000+600,000+80,000+200+20+5

Step-by-step explanation:

Basically you break it down, and you ignore the zeros.

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2(x - 3) = 4x - 1
SSSSS [86.1K]

Answer:

Hello the answer is

x= -2 1/2

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2 years ago
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Jenny deposits $100 every month into her
serious [3.7K]

Answer:

$300

Step-by-step explanation:

y = 100x + 300

where X represents the amount of months.

6 0
3 years ago
According to an article in Newsweek, the rate of water pollution in China is more than twice that measured in the US and more th
jeyben [28]

Answer:

(a) 0.119

(b) 0.1699

Solution:

As per the question:

Mean of the emission, \mu = 11.7 million ponds/day

Standard deviation, \sigma = 2.8 million ponds/day

Now,

(a) The probability for the water pollution to be at least 15 million pounds/day:

P(X\geq 15) = P(\frac{X - /mu}{\sigma} \geq \frac{15 - 11.7}{2.8})

P(X\geq 15) = P(Z \geq 1.178)

P(X\geq 15) = 1 - P(Z < 1.178)

Using the Z score table:

P(X\geq 15) = 1 - 0.881 = 0.119

The required probability is 0.119

(b) The probability when the water pollution is in between 6.2 and 9.3 million pounds/day:

P(6.2 < X < 9.3) = P(\frac{6.2 - 11.7}{2.8} < \frac{X - \mu}{\sigma} < \frac{9.3 - 11.7}{2.8})

P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)

P(6.2 < X < 9.3) = P(- 1.96 < Z < - 0.86)

P(Z < - 0.86) - P(Z < - 1.96)

Now, using teh Z score table:

0.1949 - 0.025 = 0.1699

4 0
3 years ago
4. Identify the graph of the solution set of 9 &gt; 3 + 2x.
Ray Of Light [21]

Answer:

A

Step-by-step explanation:

9 > 3 + 2x

6 > 2x

3 > x

or

x < 3

and that means 3 is NOT included (otherwise there must be a smaller or equal sign). hence A is the right answer.

7 0
3 years ago
Circle O has a circumference of approximately 250 ft
Varvara68 [4.7K]

Answer:

80 feet

Step-by-step explanation:

c=d\pi

Substitute 250 in for circumference

250=\pid

Divide by \pi or 3.14

d=79.617...

So, the diameter is approximately 80 feet

Hope this helps! :)

8 0
3 years ago
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