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DiKsa [7]
2 years ago
8

PLS HELP ME I BEG YOU Pleaseee help me solve this sistem of equations with stepss

Mathematics
1 answer:
Sophie [7]2 years ago
5 0
The answer should be 16
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I am having problems with this problem.
kifflom [539]

Answer:

-70

Step-by-step explanation:

keep adding -4 until you reach the 18th term for example

-2

-6

-10

-14

-18

-22

-26

-30

-34

-38

-42

-46

-50

-54

-58

-62

-66

-70

3 0
3 years ago
Find the length of side b in the right triangle below use the calculator to estimate the square root to one decimal place.
Readme [11.4K]

Answer:

<h2>b = 16.7</h2>

Step-by-step explanation:

Since the triangle is a right angled triangle we can use Pythagoras theorem to find the missing side b

Using Pythagoras theorem we have

a² = b² + c²

where

a is the hypotenuse

Substituting the values into the above formula we have

<h3>{19}^{2}  =  {9}^{2}  +  {b}^{2}  \\  {b}^{2}  =  {19}^{2}   -   {9}^{2}  \\  {b} =  \sqrt{ {19}^{2}   -   {9}^{2} }  \\ b =  \sqrt{361  -  81}  \\ b =  \sqrt{280}  \\ \:  \:  \:  \:  \:  \:  b = 2 \sqrt{70}  \:  \:  \:  \:  \:  \:  \\ \:  \:  \:  \:  \:  \:  \:  b = 16.73320</h3>

We have the final answer as

<h3>b = 16.7 to one decimal place</h3>

Hope this helps you

5 0
3 years ago
Which answer is a solution for x if <br> x<br> 4<br> = 21
worty [1.4K]

Answer:

x = 5.25

Step-by-step explanation:

If I am understanding the question correctly, you are asking to find x when 4x=21? If this is the case, then all you must do is divide 21 by 4, then you get 5.25.

8 0
2 years ago
Read 2 more answers
What body system,
tatuchka [14]

Answer:

Circulatory system

Step-by-step explanation:

this is because the heart is part of the circulatory system

3 0
2 years ago
Find all real zeros of the function y= -3x+9
Basile [38]
0= -3x+9
-9=-3x
3=x

Final answer: x=3

There is only one zero because it is linear, and can therefore only cross the x axis once.
8 0
3 years ago
Read 2 more answers
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