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Nataly [62]
3 years ago
15

In a plane, line b is parallel to line f, line f Is parallel to line g, and line h is perpendicular to line b. Which of the foll

owing cannot be true?
hif
bih
bllg
GIlh
Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
4 0
Hif, i doesn’t exist in the problem
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Audrey's father gave her 20 tokens to use at Action
rjkz [21]

Answer:

5 tokens

Step-by-step explanation:

<u><em>She spent 1 out of every 4 tokens,</em></u> meaning there are a couple of sets of 4 that we don't know many they are yet that she kept taking from every set 1 token, so if we do,

(Her total tokens) 20 ÷ 4 = 5.
This means that there's 5 sets, then we take 1 from every set so 1 × 5 = 5, that's it

I don't know if that was quite clear tho you can imagine it in a more virtual than mathematical way if you like,

Now Imagine you have 20 tokens in your hand, and you divide them into 5 sets, each set is a set of 4, you keep 3 in your hand then put 1 on a table, then you do this 5 times you'll end up with 5 tokens on the table and 15 in your hand.

<em>You can try that yourself if you want it to be more clear.</em>

Take 20 small pieces of paper, sticky notes or coins whatever you like, then divide them into sets of 4, then lastly take only 1 from each set (and by the way you'll notice that dividing each set into a set of 4 will make you automatically end up with 5 sets) now count all the 1's you collected from each set
they should be 5.

8 0
2 years ago
Read 2 more answers
Does this table represent a proportional relationship?<br><br> Yes<br> No
Contact [7]

no

the table does not represent a proportional relationship.

4 0
3 years ago
If the sales tax is 7% and the purchase price is $161, what is the amount of tax?
AlekseyPX
7 \% \ from \ 161 \ = \ \frac{7}{100} * 161 = \frac{ 1127}{100} = 11,27\ is \ amount \ of \ tax \
6 0
3 years ago
The function f(x) = -O.25x + 5 models the height of a candle x seconds after it is lit. Explain the meaning of the y-intercept o
ryzh [129]

Answer:

The meaning of the y-intercept in this function is the start height and each second its getting smaller.

Step-by-step explanation:

This is the reason the 0.25 is negative, because it is being subtracted by the previous height.

3 0
3 years ago
A real estate company would like to see if the average sale price of townhouses in a particular school district has changed in t
Dennis_Churaev [7]

Answer:

Step-by-step explanation:

a) We would set up the hypothesis test.

For the null hypothesis,

H:0 µ = 280000

For the alternative hypothesis,

H1: µ ≠ 280000

This is a 2 tailed test

Since the population standard deviation is given, z score would be determined from the normal distribution table. The formula is

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = population standard deviation

n = number of samples

From the information given,

µ = 280000

x = 294365

σ = 22898

n = 36

z = (294365 - 280000)/(22898/√36) = 3.76

b) Since α = 0.05, the critical value is determined from the normal distribution table.

For the left, α/2 = 0.05/2 = 0.025

The z score for an area to the left of 0.025 is - 1.96

For the right, α/2 = 1 - 0.025 = 0.975

The z score for an area to the right of 0.975 is 1.96

In order to reject the null hypothesis, the test statistic must be smaller than - 1.96 or greater than 1.96

Therefore, the rejection regions are area to the left of - 1.96 and to the right of 1.96 on the normal distribution curve.

The calculated test statistic is 3.76 for the right tail and - 3.76 for the left tail

c) Since - 3.76 < - 1.96 and 3.76 > 1.96, we would reject the null hypothesis.

3 0
3 years ago
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