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ss7ja [257]
3 years ago
8

Describe in words what occurs during the process represented by the photosynthesis equation. Include the importance of sunlight

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0
Carbon dioxide and water combine with sunlight in the chloroplasts to form sugars (glucose) and oxygen 

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What is the solution to <br> (2.4*10^11)/(1.2*10^9) using scientific notation
loris [4]

:

xfjgrtjsrjdtyj

erhergqerg3ergtaegqe

8 0
4 years ago
A sociologist was investigating the ages of grandparents of high school students. From a random sample of 10 high school student
umka2103 [35]

Answer:

(69.8-71.6) -2.101 \sqrt{\frac{8.38^2}{10} +\frac{6.65^2}{10}}= -8.908  

(69.8-71.6) +2.101 \sqrt{\frac{8.38^2}{10} +\frac{6.65^2}{10}}= 5.308  

So then the confidence interval for the difference of means is given by:

-8.908 \leq \mu_M -\mu_F \leq 5.308

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X_{M}= 69.8 represent the mean for the age of grandmother

\bar X_{F}= 71.6 represent the mean for the age of grandfather

s_{M}= 8.38 represent the sample deviation for the age of grandmother

s_{F}= 6.65 represent the sample deviation for the age of grandfather

n_M = n_F= 10

Solution to the problem

For this case the confidence interval is given by:

(\bar X_{M} -\bar X_F) \pm t_{\alpha/2} \sqrt{\frac{s^2_M}{n_M} +\frac{s^2_F}{n_F}}

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n_M +n_F-2=10+10-2=18

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.025,18)".And we see that t_{\alpha/2}=2.101

And replacing we got:

(69.8-71.6) -2.101 \sqrt{\frac{8.38^2}{10} +\frac{6.65^2}{10}}= -8.908  

(69.8-71.6) +2.101 \sqrt{\frac{8.38^2}{10} +\frac{6.65^2}{10}}= 5.308  

So then the confidence interval for the difference of means is given by:

-8.908 \leq \mu_M -\mu_F \leq 5.308

5 0
3 years ago
Find the value of'y'from the given figure<br><img src="https://tex.z-dn.net/?f=class8" id="TexFormula1" title="class8" alt="clas
telo118 [61]

Answer:

y = 30

<u>Skills needed: Angle Geometry</u>

Step-by-step explanation:

1) First, let's see what we should know prior to solving.

---> We have to find the value of y, and looking at that diagram, we have to create an equation.

---> The angle measure of a straight line is 180 degrees, otherwise known as a straight angle (a straight angle is 180 degrees).

---> When you add 3y+3y, you can set that sum equal to 180. This is because the two angles marked 3y added together make a straight line, which is a straight angle.

(Note: In geometry, ONE OF THE THINGS WE CAN ASSUME is that there is a straight line there.)

-------------------------------------------------------------------------------------------------------------

2) Now, the equation would be:

3y+3y=180

6y=180 --> Combining 3y and 3y (3+3 = 6)

y = 180\div6 --> Dividing by 6 on both sides, to get y by itself.

y=30 ---> 180 \div 6 is 30, so y is equal to 30.

-------------------------------------------------------------------------------------------------------------

y=30

6 0
2 years ago
Solve by factoring:
DerKrebs [107]
A.<span>(x+3)(x+4)=<span>0
x=-3,-4
B.X=5,4
hope this helps
</span></span>
7 0
3 years ago
Read 2 more answers
What line is parallel y=5x-3
Korvikt [17]
Im pretty sure its y= 5x-2
4 0
3 years ago
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