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2 years ago

Please help!

Mathematics

1 answer:

dexar [7]2 years ago

3 0

Answer: 1/9

Step-by-step explanation:

You have 3 possible options. The probablility of the spinner landing on 3 is 1/3. The probability of it landing on 2 is also 1/3. For them to happen together, you multiply them. 1/3 * 1/3 = 1/9.

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Multiply 6.75x10^6 and 1.2x10^6 Keep the numbers written in scientific notation when you are solving the problem Show all of you

harkovskaia [24]

Answer:

8.1×10^12

Step-by-step explanation:

6.75×1.2=8.1 and power should be added 6+6=12 and answer is 8.1×10^12

4 0

2 years ago

the birth rate in a certain country in 1994 was 14,6 birthd per thousand population. in 2004 the birth rate was 14.32 per thousa

amm1812

Answer:

$y(x)=-0.028x+14.6$

Step-by-step explanation:

Birth Rate in 1994 = 14.6 births per thousand population.

Birth Rate in 2004 = 14.32 births per thousand population.

A linear equation is of the form: y=mx+c

Where:

x=years after 1994
y=the birth rate
m=Yearly Birth Rate

First, we determine the birth rate per year

$m=\dfrac{14.32-14.6}{10-0}\\=\dfrac{-0.28}{10}\\m=-0.028$

Therefore, a linear equation that relates y in terms of x is of the form:

$y(x)=-0.028x+c$

When x=0, y=14.6

14.6=-0.028(0)+c

c=14.6

Therefore, the linear equation that relates y in terms of x is:

$y(x)=-0.028x+14.6$

4 0

3 years ago

A teacher wants to know if burning a scented candle affects students’ performance on pop quizzes. In the experiment, there will

Tresset [83]

Randomization is important to ensure that both groups are roughly equivalent regarding students’ preparedness, anxiety levels, and study skills.

<h3>What is randomization in an experiment?</h3>

Randomization is when subjects in an experiment are placed in either the control group or the treatment group without any structure. They are placed in either groups randomly. The purpose of randomization is to ensure that subjects in either group are homogenous.

To learn more about randomization, please check: brainly.com/question/20629933

#SPJ1

3 0

2 years ago

Simplify each expression (e^2) (g) (g^4) (e^3) (e)( e^2) (e)

poizon [28]

Answer:

(e^2) (g) (g^4) (e^3)=e^b

(e)( e^2) (e)=ve^4

Step-by-step explanation:

4 0

2 years ago

last summer, at camp okey-fun-okey, the ratio of the number of boy campers to girl campers was 8:7. If there were a total of 195

Evgen [1.6K]

The ration of boy campers to total campers is 8:15, and the ratio of girl campers to total campers is 7:15. Using this information, we can answer this question by setting up proportions.

For boys:

$\frac{8}{15} =\frac{x}{195}$

*Cross multiply*

15x=1560

*Divide both sides by 15*

x=104

There are 169 boy campers.

For girls:

$\frac{7}{15} =\frac{x}{195}$

*Cross multiply*

15x=1365

91=x

There are 91 girl campers.

Hope this helps!!

7 0

3 years ago

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