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Nitella [24]
3 years ago
11

Based only on the information given in the diagram it is guaranteed that trangle pqr ~triangle stu

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
The answer is false.
boyakko [2]3 years ago
6 0

Answer: B. False

Step-by-step explanation:

In the given picture, we have two right triangles Δ PQR and Δ STU righta angled at ∠P and ∠ S respectively.

Also, it is shown that QR=6 units and TU =12 units.

Since, we have given only one pair of congruent angles, thus we cannot apply AA postulate of similarity to it.

Also, we have only one pair of corresponding sides, so we cannot check the proportionality of the corresponding sides.

Therefore, it is false that "based only on the information given in the diagram it is guaranteed that triangle PQR ~triangle STU" because they may might be not similar if their corresponding angles are actually different.

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The accompanying data on IQ for first-graders at auniversity lab school was introduced in Example 1.2.82 96 99 102 103 103 106 1
almond37 [142]

Answer:

Mean = 113.72

The estimator of 113.72 is point estimate used for the  conceptual population of all first-graders in this school

Step-by-step explanation:

Data provided in the question:

Data:

82 96 99 102 103 103 106 107 108 108 108 108 109 110 110 111 113 113 113 113 115 115 118 118 119 121 122 122 127 132 136 140 146

Number of data = 33

In the hint it is also given that the sum of the data value i.e ∑x = 3753

Now,

Point estimate of mean is given as;

Mean = \frac{\textup{Sum of all the data values}}{\textup{Total number of data value}}

or

⇒ Mean = \frac{\textup{3753}}{\textup{33}}

or

⇒ Mean = 113.72

Hence,

The estimator of 113.72 is point estimate used for the  conceptual population of all first-graders in this school

5 0
3 years ago
Last week, a store sold laptops worth a total of $3,885.Each laptop cost $555.how many laptops did the store sell last week
mojhsa [17]
The store sold 7 laptops. 3,885/555 = 7
4 0
3 years ago
Read 2 more answers
A rhino can run at speeds of about 28 miles per hour. What is that speed in
swat32

<u>Given</u>:

A rhino runs at a speed of about 28 miles per hour.

We need to determine the speed in feet per second.

<u>Converting miles to feet:</u>

The miles can be converted to feet by multiplying 5280 with 28 miles per hour.

Thus, we have;

28\times 5280=147840

Thus, the speed of the rhino in feet per hour is 147840

<u>Converting hours to seconds:</u>

The hours can be converted into seconds by dividing 147840 by 3600 (Because an hour has 60 seconds in a minute and 60 minutes in an hour)

Thus, we get;

Speed=\frac{147840}{3600}

Speed = 41.066667

Rounding off to the nearest whole number, we get;

Speed =41

Therefore, the speed of the rhino is 41 feet per second.

Hence, Option B is the correct answer.

5 0
3 years ago
Help plz with this it is very hard
krok68 [10]

Answer:

I don't know how to do my brother has know you will say at my brother

6 0
3 years ago
I got 7 but I’m confused
Alja [10]

Answer:

27

Step-by-step explanation:

3v+6=5v-8

3v+14=5v

14=2v

v=7

3*7+6

21+6

27

u were right on 7 u just need to plug it into the equation

5 0
3 years ago
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