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tensa zangetsu [6.8K]
3 years ago
7

Ten times the sum of half a number and 6 is 8

Mathematics
2 answers:
murzikaleks [220]3 years ago
8 0
I guess it is 8 because I tried it a lot and it becomes to 8 so I think 8 is correct
stealth61 [152]3 years ago
3 0
10×((1/2)+6)=8 is what I got
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A scientist testing the effects of a chemical on apple yield (apples/acre) sprays an orchard with the chemical. A second orchard
JulsSmile [24]

Following are the dependent variables:

<em>1. The amount of water that each orchard receives.</em>

<em>2. The species of trees in the orchard.</em>

Reason:

The exercise scientist is looking for the effects of a chemical between an apple crop to which it is administered and another to which it is not, 4 options are presented, of which it is essential to count as a variable the amount of water each Orchard and tree species in the orchard, since they can generate alterations in the results, the other two variables of the exercise such as number of apples and size of the orchards are not significant and their variations do not affect the scientist's objective.

Learn more about Dependent Variable on:

brainly.com/question/1670595

#SPJ4

3 0
2 years ago
Find the value of 6x+8 and 4x+2 that will make L||M<br><br>Please Help
Mariana [72]

Answer:

Step-by-step explanation:

6x+8=4x+2

2x=-6

x=-3

they both are -10=-10

7 0
3 years ago
In a college student poll, it is of interest to estimate the proportion p of students in favor of changing from a quarter-system
Contact [7]

Answer:

n=206

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".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{\hat p(1-\hat p)}{n}})

Solution to the problem

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 99% of confidence, our significance level would be given by \alpha=1-0.99=0.01 and \alpha/2 =0.005. And the critical value would be given by:

t_{\alpha/2}=-2.58, t_{1-\alpha/2}=2.58

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

And on this case we have that ME =\pm 0.09, we can use as prior estimate of p 0.5, since we don't have any other info provided, and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.09}{2.58})^2}=205.44  

And rounded up we have that n=206

3 0
3 years ago
Daniel has 15 yards of fabric to make a baby blanket
zubka84 [21]

Answer:

Than the baby blanket area is 15 yards. The length is 5 yards and the width is 3 yards.

3 0
3 years ago
Read 2 more answers
Find the slope in fraction form
nlexa [21]

Answer:

-1/3

Step-by-step explanation:

Taking two points on the graph (I took (0,9) and (6,7)

Slope=(y2-y1)/(x2-x1)

(7-9)/(6-0)=-2/6

=-1/3

7 0
3 years ago
Read 2 more answers
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