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3 years ago

HELPPP i'll mARK BRAINLIESTT PLZ HELPPPP,, kfibirbig5

Mathematics

2 answers:

kupik [55]3 years ago

6 0

Well we know it’s not C because it’s wording hints the number line would be going the other way and we see the closed circle so that means that we are talking about something that is 16 OR less not less THAN 16 so it can’t be B that leaves A D and E. I’m pretty sure it’s not A since that is talking about an exact amount not that amount or less than so that narrows it down to D and ( if you can mark more than one) /or ( if you can only mark one) E. Hoped this helped! I would also recommend using other resources for confirmation.

Anna [14]3 years ago

3 0

The answer would be D and E

Explanation: the number line shows any number less than 16, the filled in circle also means including 16. So it becomes any number 16 or less. So in both of the scenarios the max number of either students or dollars has to be 16.

Hope this helps

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What is the scientific notation for 0.0138

xxMikexx [17]

Answer:

1.38 * 10^ -2

Step-by-step explanation:

.0138

We need 1 number to the left of the decimal

1.38 * 10^ something

We moved it 2 places to the right, that means our exponent is -2. If we had moved it to the left, our exponent would have been positive

1.38 * 10^ -2

8 0

3 years ago

Round 3,942,588 to the nearest thousand.

olchik [2.2K]

Hey there! :D

3,942,588

The thousandths is where the 2 is.

If the number behind the 2 is 5 or greater, we round up to 3.

It is, so round up:

3,943,000 <== rounded number

I hope this helps!
~kaikers

5 0

3 years ago

Read 2 more answers

write an equation that describes the proportional relationship between the number of days in the number of weeks in a given leng

KatRina [158]

Answer:

Week 1 Day 7

Week 2 Day 14

Week 4 Day 28

Week 8 Day 56

Week 10 Day 70

Let x represent the number of weeks

Let y represent the number of days

Use the ratio of the constant of proportionally in the equation y =kx

y = 14/7x

y = 2x

Step-by-step explanation:

6 0

3 years ago

Find the slope of the line passing through the points (-9, -6) and (-4, 5)

Masja [62]

Answer:

11/5 slope

Step-by-step explanation:

5-(-6) -4-(-9)

11/ 5

4 0

3 years ago

Read 2 more answers

At an ocean-side nuclear power plant, seawater is used as part of the cooling system. This raises the temperature of the water t

grandymaker [24]

Answer:

(a1) The probability that temperature increase will be less than 20°C is 0.667.

(a2) The probability that temperature increase will be between 20°C and 22°C is 0.133.

(b) The probability that at any point of time the temperature increase is potentially dangerous is 0.467.

Step-by-step explanation:

Let X = temperature increase.

The random variable X follows a continuous Uniform distribution, distributed over the range [10°C, 25°C].

The probability density function of X is:

$f(X)=\left \{ {{\frac{1}{25-10}=\frac{1}{15};\ x\in [10, 25]} \atop {0;\ otherwise}} \right.$

(a1)

Compute the probability that temperature increase will be less than 20°C as follows:

$P(X$

Thus, the probability that temperature increase will be less than 20°C is 0.667.

(a2)

Compute the probability that temperature increase will be between 20°C and 22°C as follows:

$P(20$

Thus, the probability that temperature increase will be between 20°C and 22°C is 0.133.

(b)

Compute the probability that at any point of time the temperature increase is potentially dangerous as follows:

$P(X>18)=\int\limits^{25}_{18}{\frac{1}{15}}\, dx\\=\frac{1}{15}\int\limits^{25}_{18}{dx}\,\\=\frac{1}{15}[x]^{25}_{18}=\frac{1}{15}[25-18]=\frac{7}{15}\\=0.467$

Thus, the probability that at any point of time the temperature increase is potentially dangerous is 0.467.

(c)

Compute the expected value of the uniform random variable X as follows:

$E(X)=\frac{1}{2}[10+25]=\frac{35}{2}=17.5$

Thus, the expected value of the temperature increase is 17.5°C.

7 0

3 years ago