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AnnyKZ [126]
3 years ago
15

Which of the triangles shown are isosceles triangles?

Mathematics
2 answers:
aalyn [17]3 years ago
5 0

Answer:

Triangle C

Step-by-step explanation:

Hello There!

An isosceles triangle has two congruent sides

Triangle C has two sides that equal 4 therefore triangle C is an isosceles triangle

Triangles A, B and C have no congruent sides therefore they are not isosceles triangles

WITCHER [35]3 years ago
4 0

Answer:

I'm pretty sure that the correct answer here is Triangle C. I think this is the correct answer because an isosceles triangle has two sides that are the same length, and that's what Triangle C represents.

Step-by-step explanation:

Hope that this helps! :)

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Write each statement as a conditional.
mart [117]

Answer:

b. Alberto can go to the movies if he washes the car.

Step-by-step explanation:

a. A triangle with all angles congruent <u><em>is</em></u> equilateral.

b. Alberto can go to the movies <u><em>if</em></u> he washes the car.

5 0
1 year ago
In the American version of the Game Roulette, a wheel has 18 black slots, 18 red slots and 2 green slots. All slots are the same
m_a_m_a [10]

Answer:

-$0.26

Step-by-step explanation:

Calculation to determine the expected value of playing the game once

Expected value= [18/(18+18+2) x $5)]- [20/(18+18+2) x $5]

Expected value= ($18/38 x $5) - (20/38 x $5)

Expected value= ($2.37-$2.63)

Expected value= -$0.26

Therefore the expected value of playing the game once is -$0.26

5 0
2 years ago
A teacher is buying pencils for her classroom. If a dozen pencils cost $0.97, how many pencils can she purchase with $5?
mixas84 [53]

Answer:

The teacher can purchase 61 pencils with $5

Step-by-step explanation:

This is a simple proportion problem. It can be solved by pure logic reasoning without any formulas

It a dozen pencils cost $0.97, each pencil cost $0.97/12=0.08083

With $5 she will be able to purchase 5/0.08083=61.85 pencils

We must round to the nearest lower integer

The teacher can purchase 61 pencils with $5

6 0
3 years ago
Will mark as brainliest if correct
lana [24]

Answer:

wala sa choices ang sagot.

ANS: 128

EXPLANATION

a(9)=14+2(9-1)

a(9)=14+2(8)

a(9)=16(8)

9= 128

yan sagot ko po

4 0
3 years ago
The function of f(x) = 3x + 2 has a domain of -3 &lt; x &lt; 5. What is the domain of f-1(x)?
Flura [38]
<h3>Answer:    -7 < x < 17</h3>

====================================================

Explanation:

Plug in the lower bound of the domain, which is x = -3

f(x) = 3x+2

f(-3) = 3(-3)+2

f(-3) = -9+2

f(-3) = -7

If x = -3, then the output is y = -7. Since f(x) is an increasing function (due to the positive slope), we know that y = -7 is the lower bound of the range.

If you plugged in x = 5, you should find that f(5) = 17 making this the upper bound of the range.

The range of f(x) is -7 < y < 17

Recall that the domain and range swap places when going from the original function f(x) to the inverse f^{-1}(x)

This swap happens because how x and y change places when determining the inverse itself. In other words, you go from y = 3x+2 to x = 3y+2. Solving for y gets us y = (x-2)/3 which is the inverse.

-----------------------

In short, we found the range of f(x) is -7 < y < 17.

That means the domain of the inverse is -7 < x < 17 since the domain and range swap roles when going from original to inverse.

6 0
3 years ago
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