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bearhunter [10]
3 years ago
6

Help asap ☺️☺️☺️☺️☺️☺️☺️

Mathematics
2 answers:
eduard3 years ago
4 0
If you add the angles of a triangle, your sum should always be 180°

70° + 80° + x° = 180°
150° + x = 180°

subtract 150 from both sides of the equation.....
150° + x = 180°
-150          -150

x = 30

your answer is 30°
never [62]3 years ago
3 0
Hey There!

80+70 is 150

180
-150
is 30 so 30 must be your answer

Hope This Helps!!!
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What is the volume of the rectangular prism
maria [59]

Answer:

\frac{23}{3} cubic units

Step-by-step explanation:

To find the volume, we can multiply the base by the height.  \frac{4}{3} * \frac{23}{4} is \frac{92}{12}, or \frac{23}{3}.  So the volume is \frac{23}{3} cubic units.

6 0
3 years ago
Samantha’s mom has a koi fish pond at the corner of her backyard. Samantha wanted to install a brick walkway on two sides of the
nika2105 [10]

Answer:

A- 3x2= 6

6 divided by 2 is 3

B- flip it around with division first

Step-by-step explanation:

8 0
3 years ago
Find dy/dx using first principle<br>x+1/x​
JulsSmile [24]

Answer:

The derivative of the function is:

f'(x)=1-\frac{1}{x^{2}}

Step-by-step explanation:

The first principle is given by:

f'(x)=\frac{dy}{dx}=lim_{h\rightarrow 0}\frac{f(x+h)-f(x)}{h}

The function here is:

f(x)=x+\frac{1}{x}

Now, using the first principle we have:

f'(x)=lim_{h\rightarrow 0}\frac{(x+h)+\frac{1}{(x+h)}-x-\frac{1}{x}}{h}  

=lim_{h\rightarrow 0}\frac{h+\frac{1}{(x+h)}-\frac{1}{x}}{h}    

=lim_{h\rightarrow 0}\frac{h-\frac{h}{x(x+h)}}{h}    

=lim_{h\rightarrow 0}\frac{h(1-\frac{1}{x(x+h)})}{h}

=lim_{h\rightarrow 0}1-\frac{1}{x(x+h)}

=1-\frac{1}{x^{2}}

 

Therefore, the derivative of the function is:

f'(x)=1-\frac{1}{x^{2}}

I hope it helps you!  

 

6 0
2 years ago
Write the decimal expansion for 5/6.
SashulF [63]

Answer:

≈ 0.8333333333333

Step-by-step explanation:

Since anything divided by 6 is a repeating decimal, we know it will go on forever.

8 0
3 years ago
Read 2 more answers
Please help asap!! I will mark you as brainliest :)
maria [59]

Answer:

280

Step-by-step explanation:

because 350÷1.25 is 280

6 0
2 years ago
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