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KengaRu [80]
3 years ago
11

Notes on isosceles triangles, base angles and notes on the diagonals thanks :D

Mathematics
1 answer:
rjkz [21]3 years ago
8 0
Hey,
In isosceles triangles there r two equal sides .
Base angles is usually used for isosceles triangles ....
Diagonals are two lines which intersect each other...
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What are three ratios for 6/7
gulaghasi [49]
Three ratios for 6/7 are...
12:14
18:21
24:28
8 0
4 years ago
The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg.. Write an e
adoni [48]
<span> half life i= 78 hours 
 amount after 78 hours is 395 kg: 
395 = 790e^(k*78) 

Dividing by 790 and taking natural log
ln (395/790) = (k*78) 
-0.6931 = 78k 
-0.00888 = k  

lets calculate  how much is left after 18 hours: 
Amount(18)
= 790e^(-0.00888*18) 
Amount = 673.301 kg
hope this helps</span>
4 0
3 years ago
Read 2 more answers
There are 798 calories in six 10-ounce bottles of apple juice. How many calories are there in one 10-ounce bottle of apple juice
ale4655 [162]
Let x= number of calories in one bottle

x=<u>798
</u>      6
<u>
</u>x=133<u>
</u>
4 0
3 years ago
Pls tell me what the correct answer would be ❤️
mrs_skeptik [129]

Answer:

Step-by-step explanation:

The error is in the second step. For some unknown reason, the x was dropped and the 3 was subtracted from the 7.

It should be

9x +3x + 12 =  7

12x + 12 = 7                  Subtract 12 from both sides.

12x + 12 - 12 = 7 - 12    Combine

12x = -5                        Divide by 12

12x/12 = -5/12              

x = -5/12 or x = - 0.4167

4 0
3 years ago
I need help with this equation. I'm not that smart so I can't figure it out-
erma4kov [3.2K]

Answer:

x = 0

Step-by-step explanation:

In order to solve for x, first combine both fractions on the left

To add 4x-2/8 + 3+x/4 first find the least common denominator of 8 and 4

It's 8 so multiply the numerator and denominator of 3+x/4 by 8, you would get:

8x+24/32

Multiply 4x-2/8 by 4, you will get:

16x-8/32

Now you can add 16x-8/32 + 8x+24/32, you would get:

24x+16/32

Now you can start to solve for x

Your new equation is 24x+16/32 = 1/2

To solve for x, first multiply diagonally, then solve like a regular equation.

Multiply 24x+16 by 2 to get 48x+32

Then multiply 32 by 1 to get 32

Your new equation is 48x+32=32

Now subtract 32 by 32 to get 48x=0

Now divide 48 by 0 to get x=0

6 0
3 years ago
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