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Vsevolod [243]
3 years ago
5

HELP PLEASE 25 POINTS

Mathematics
2 answers:
Yuri [45]3 years ago
7 0

Answer:

It is only 13

Step-by-step explanation:

Brainly takes away half points by the way

mixas84 [53]3 years ago
5 0

Answer:

AD=√AB^2-BD^2=√10^2-8^2=√36=6

DC=√BC^2-BD^2=√17^2-8^2=√225=15

AC=AD+DC=21

Step-by-step explanation:

You might be interested in
14 + 10y ≥ 3(y + 14) <br> A. y ≥ –4<br>B. y ≥ 4 <br>C. y ≥ 8<br>D. y ≥ 6
arsen [322]

Answer:

B

Step-by-step explanation:

Given

14 + 10y ≥ 3( y + 14) ← distribute

14 + 10y ≥ 3y + 42 ( subtract 3y from both sides )

14 + 7y ≥ 42 ( subtract 14 from both sides )

7y ≥ 28 ( divide both sides by 7 )

y ≥ 4 → B

7 0
3 years ago
La base de un rectangulo es doble que su altura Cuales son sus dimensiones si el perímetro mide 108 cm
marysya [2.9K]

Answer:

el ancho es

18

 pulgadas y la longitud es

2

×

18

=

36

 pulgadas.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
3(x-7)=9(4x+5) what is the answer????
Rainbow [258]
PEMDAS

3 ( x - 7 ) = 9 ( 4x + 5 ) 
3x - 21 = 36x + 45 
-36
-33x - 21 = 45 
                 +21

-33x = 66
------    ------
-33      -33 

x = -2

Your answer should be -2

I hope this helps!

5 0
4 years ago
Solve for x<br> 14x + 2 = 9x - 3
vovangra [49]
-9x from both sides
5x+2=-3
-2 from both sides
5x=-5
x= -1
7 0
3 years ago
Read 2 more answers
Find the domain in the following <br> Y=2x+5
allsm [11]

Answer:

All Real Numbers

Step-by-step explanation:

<u>The Domain for a function simply is all the possible x values.</u>

When graphing this function, you'll realize that it's continuous and passes all x values.

Additionally, when looking at it, you'll realize you can input any number of your choosing.

When trying to evaluate the domain of other functions, you can look at if any values of x will create an undefined value.

For example, some functions may have x in the denominator, and since the denominator can not be 0, there will be a discontinuity.

Other examples where the domain wouldn't be all real numbers would be if x was under a square root and couldn't be negative, or if the function was a vertical line.

Hope that helps, please let me know if you have any queries.

5 0
2 years ago
Read 2 more answers
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