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maksim [4K]
3 years ago
5

△ABC∼△PQR

Mathematics
2 answers:
Masja [62]3 years ago
8 0
The correct answers are

AB/PQ = BC/QR

∠B ≅ ∠Q

m∠A = m∠P 

the other two are incorrect
AC¯≅ PR¯
BC = QR
slamgirl [31]3 years ago
7 0

Answer:

The true statements are 1, 2 and 3.

Step-by-step explanation:

Given information: \triangle ABC\sim \triangle PQR.

Two triangles are called similar triangles if their corresponding sides are proportional or corresponding interior angles are equal.

It is given that \triangle ABC\sim \triangle PQR, so we get

\angle A=\angle P

\angle B=\angle Q

\angle C=\angle R

\frac{AB}{PQ}=\frac{BC}{QR}=\frac{AC}{PR}

Therefore options 1, 2 and 3 are correct.

The corresponding sides of similar triangles are proportional but not congruent, therefore options 4 and 5 are incorrect.

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Linear, Quadratic, or Exponential?<br><br> - Linear<br> - Quadratic<br> - Exponential
Yuri [45]

Answer: This is a linear

Step-by-step explanation:

If you graph these out as coordinates on desmos as (0,2) (1,5) (2,10) (3,17) the points form a straight line which is linear as shown.

5 0
3 years ago
The formula a = 118e0.024t models the population of a particular city, in thousands, t years after 1998. when will the populatio
andriy [413]
Given that the population has been modeled by the formula:
a=118e^(0.024t), the time taken for the population to hit 140k will be given by:
140000=118e^(0.024t)
solving for t we shall have:
140000/118=e^(0.024t)
thus;
0.024t=ln(140000/118)
t=1/0.024*ln(140000/118)
t=295
thus the time the population will be 140000 will be:
1998+295
=2293
6 0
3 years ago
Can someone help me understand the concept of finding the domain and range on a graph. I don’t understand it! Someone help me
juin [17]

Answer:

The Domain is where the line on your graph crosses the X axis.

The Range us where the line on your graph crosses the Y axis

And a arrow means it goes Into infinity

Step-by-step explanation:

Say you Have a line, it crosses the X axis at -3, your Domain would be -3!

Now say this line crosses the Y axis at -6, Your Range would be -6!

And now say if instead of the line ending at a dot after crossing -6 It has a arrow, that means you have infinity, Making your range instead of -6 it's be infinity! (If the arrow points up it's positive infinity, If the arrow points down it's negative infinity)

So for the first 2 numbers your answer would be [-3,-6] and in you have infinity itd be [-3, infinity) parenthesis isn't a error btw if you still don't get it I can just reply with a sheet I have on it

5 0
3 years ago
A bracelet that normally sells for $30.00 is on sale for $25.50. What is the percent discount?
vekshin1

Answer:

15% off

Step-by-step explanation:

We know we paid $25.50 of the original $30. We can divide these two numbers \frac{25.5}{30}=0.85. This is means we paid 85% of the original price. The discount percentage is the remaining percentage from 85 to 100 which is 15. The pants were 15% off.

3 0
3 years ago
Need urgent help in mathematics!! Will mark brainliest!!!!
Nataly [62]

₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).

If you don't have a scientific calculator, you can use the following formula:

nPr = \frac{n!}{(n - r)!}

₇P₅  = \frac{7!}{(7 - 5)!}

     = \frac{7}{2!}

     = \frac{7 * 6 * 5 * 4 * 3 * 2!}{2!}

     = 7 * 6 * 5 * 4 * 3

    = 2520

Answer: C

3 0
4 years ago
Read 2 more answers
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