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lys-0071 [83]
3 years ago
15

Which statement is true about ∠1 and ∠2?

Mathematics
1 answer:
gavmur [86]3 years ago
5 0

Answer: Most likely A

Step-by-step explanation:

the reason I say its A is because of the face that congruent means in line not and straight. Though in your answer it shows that they are not alined so that leaves us with complemantary and the 2 complementary answer choices are

A & C but C is wrong because it say alternate which also means the that they would be 2 different angels so yeah I'm gonna go for A.

Good luck :)

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Find the values of x and y leave answers in simplest radical form. *The altitude is:
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1. A flower shop wishes to add the valuable Waimea orchid to its product list. They purchase a large shipment of bulbs from a su
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Answer:

The concern of the florist that these bulbs are not Waimea orchids, but a similar appearing hybrid maybe true.

Step-by-step explanation:

A Chi-square goodness of fit test can be used to perform the hypothesis test.

The hypothesis is defined as:

<em>H</em>₀: There is no difference between the observed and expected value.

<em>Hₐ</em>: There is a difference between the observed and expected value.

The test statistic is:

\chi^{2}=\sum \frac{(O-E)^{2}}{E}

The total number of Waimea orchid bulbs is, 60.

7x + 5x + 4x + 4x = 60

20x = 60

x = 3

The expected number of Waimea orchid bulbs are:

Blue = 7 × 3 = 21

Red = 5 × 3 = 15

Violet = 4 × 3 = 12

Orange = 4 × 3 = 12

Consider the table provided.

The test statistic value is:

\chi^{2}=\sum \frac{(O-E)^{2}}{E}=14.981

The decision rule:

The null hypothesis will be rejected if \chi^{2}\geq \chi^{2}_{\alpha, (k-1)}.

Compute the critical value as follows:

\chi^{2}_{0.05, (4-1)}= \chi^{2}_{0.05, (3)}=7.815

The test statistic value is 14.981.

\chi^{2}=14.981> \chi^{2}_{\alpha, (k-1)}=7.815

The null hypothesis will be rejected at 5% level of significance.

Conclusion:

As the null hypothesis was rejected it implies that there is a significant difference between the observed and expected value.

Thus, the concern of the florist that these bulbs are not Waimea orchids, but a similar appearing hybrid maybe true.

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4 years ago
The function f is defined by f(x)=2x^2-1
motikmotik

Step-by-step explanation:

here

f(x)=2x^2-1

Now

f(4y)=2*4y^2-1

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