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Ann [662]
3 years ago
14

an isosceles triangle contains two equal angles. Each of these angles is 25 degrees larger than twice the smallest angle. What a

re the measures of the three angles
Mathematics
1 answer:
Helga [31]3 years ago
5 0
Well, the sum of all internal angles in a triangle, isosceles or whatever else, is always 180°, so the sum of all those three folks, will be 180 then

so.. hmmm let's say the smallest angle is "a" units

twice that is, 2*a, or 2a
25 larger than that? is well 2a + 25

so... the other two twin angles, are 2a+25 each

thus   a + (2a + 25) + (2a + 25) = 180

solve for "a" to find the smalles one

what about the twins? well, each is 2a + 25
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URGENT
Zepler [3.9K]

Answer: The volume of a sphere with a radius of 5 cm is approximately 523.33 cm3.

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Volume of a sphere (V) = 4/3 π radius³

Replacing with the values given and solving for V (volume)

V = 4/3 (3.14) 5³ = 4/3 (3.14) 125= 523.33 cubic centimeters

The volume of a sphere with a radius of 5 cm is approximately 523.33 cm3.

Feel free to ask for more if needed or if you did not understand something.

4 0
2 years ago
Which shows the correct substitution of the values a, b, and c from the equation 1 = -2x + 3x² + 1 into the quadratic
antoniya [11.8K]
The coefficient 'a' for the quadratic term is a = 3
The coefficient 'b' for the linear term is b = -2
The coefficient 'c' is 0
Step-by-step explanation :
The given expression is,




To solve this problem we are using quadratic formula.
The general quadratic equation is,

Formula used :

Now we a have to solve the above equation and we get the value of 'x'.

a = 3, b = -2, c = 0






The coefficient 'a' for the quadratic term is a = 3
The coefficient 'b' for the linear term is b = -2
The coefficient 'c' is 0
8 0
2 years ago
-1(-2x + 4) = 6<br><br> Hellooooooooooo
butalik [34]

Answer:

x=5

Step-by-step explanation:

First we distribute

2x-4=6

isolate x

2x=10

divide both sides by 2

x=5

(plz give brianliest ty)

6 0
3 years ago
Read 2 more answers
Help extra points please !
blsea [12.9K]

Answer:

C. -1 is less than x

Step-by-step explanation:

-3 < 4x + 1

-3-1 < 4x +(1 -1)

-4 < 4x

-4/4 < 4x/4

-1 < x

6 0
2 years ago
Order the following values from least to greatest.<br> 25<br> -14<br> _-4<br> 21
Vikki [24]
-14
-4
21
25
Least to greatest.
7 0
2 years ago
Read 2 more answers
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