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bogdanovich [222]
3 years ago
7

Which coupon should Janet use to save the most money on a rowboat originally priced at $679.00 $450.00 or 70% off please answer

coreclty
Mathematics
2 answers:
Afina-wow [57]3 years ago
4 0
679 - 70% off = $203.7

$450 is more than $203.7

70% off will be better
inna [77]3 years ago
3 0

Answer:

We pay less with the 70% off

Step-by-step explanation:

First determine the price of the boat if we use the 450 off coupon

679-450 = 229

Now determine the price of the boat with 70% off

This means we pay 30%  (100-70=30)

679*30%

679*.30

203.70

We pay less with the 70% off

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Please<br> Help fast I have 25 mins left
castortr0y [4]

Answer:

Step-by-step explanation:

sales earning commission=130,000-21000=109,000

sales commission=5800-900=4900

rate of commission=4900/109,000 ×100=490/109 %

≈4.495

≈4.50%

4 0
3 years ago
Select two ratios that are equivalent to 2 : 9.
White raven [17]

Answer:

B & C

Step-by-step explanation:

2:9 can also be written as 2/9

A. 9:2 is just the reciprocal of 2:9 so it is not equivalent to it

B. 18:81 is 2×9:9×9 meaning that is equivalent to 2:9

C: 12:54 is 2×6: 9×6 so it is equivalent to 2:9

Since the two correct answers have already been found, I don't need to explain more.

Hope this helped!!!

3 0
3 years ago
Please help. <br><br> Correct answer will get brainliest and full ratings.
irina1246 [14]
Hope this helps but I think the answer is A.To find this look at the points on the graph and find out what their ordered pairs are. Once you do that look at the x values for all the ordered pairs.Example the x value for the ordered pair (-3,-1) is -3.After you have found all the x values put them in order from least to greatest.I any x values are repeated then leave them out.Example if your x values are 0,1,1,2,3,3,4 then leave the extra 1 and 3 out and then you have 0,1,2,3,4.Once you have put the x values in order from least to greatest  and left out any extra repeated x values the you are done and you have your domain for the function.
5 0
2 years ago
Suppose the true proportion of high school juniors who skateboard is 0.18. If many random samples of 250 high school juniors are
madreJ [45]

Answer:

0.024

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

Suppose the true proportion of high school juniors who skateboard is 0.18.

This means that p = 0.18

Samples of 250 high school juniors are taken

This means that n = 250

By how much would their sample proportions typically vary from the true proportion?

This is the standard error, so:

s = \sqrt{\frac{p(1-p)}{n}}

s = \sqrt{\frac{0.18*0.82}{250}}

s = 0.024

So 0.024 is the answer.

6 0
3 years ago
I need help on questions 9, 10, and 11 please!
bulgar [2K]
In general, to find the surface area of a prism (a shape with 2 bases) is 
Area of Base*2 + Lateral Area (Lateral area = Perimeter of bases * height)

#9 Area of base= 2×1÷2=1 *2=2
Lateral area= 2+1+2.2=5.2 5.2*3=15.6
Answer=17.6
#10 Area of Base= 120*2=240
Lateral Area=500
Answer=740
#11
Area of base=8*2=16
Lateral Area= 41.4
Answer=57.4

8 0
3 years ago
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