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Sergio039 [100]
2 years ago
8

What is x. pls help me​

Mathematics
2 answers:
Inessa05 [86]2 years ago
5 0
I believe it is 40 degrees because that is a right angle which is equivalent to 90 degrees. So 50 +40= 90. Hope this helps and have a nice day :)
ad-work [718]2 years ago
4 0

Answer:

x = 40

Step-by-step explanation:

plz mark my answer as brainlist plzzzz if you find it useful.

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SHOW WORK ILL MARK BRAINLIST !!!!
Greeley [361]

Answer:

I'm thinking it's Associative or Identity property(preferably Associative) but I'm not sure

Step-by-step explanation:

Education is important, don't cheat <3

search up the different properties and Associative makes sense more with Step 2!

3 0
3 years ago
If y = - 4/5x - 2, what is the value of x when y = - 9
MrRa [10]
Y = -4/5 x - 2
-9 = -4/5 x - 2
-4/5 x = -9 + 2 = -7
-4x = 5(-7) = -35
x = -35/-4 = 35/4
3 0
3 years ago
Find the measure of angle A.<br> 75°<br> x + 53<br> +68
sleet_krkn [62]

Answer:

Step-by-step explanaton:

6 0
3 years ago
A closed cylindrical can of fixed volume V has radius r.a) Find the surface area, S, as a function of r.b) What happens to the v
andrey2020 [161]

Answer:

Step-by-step explanation:

This question is incomplete; here is the complete question.

A closed cylindrical can of fixed volume V has radius r. (a) Find the surface area, S, as a function of r. (b) What happens to the value of S approaches to infinity? (c) Sketch a graph of S against r, if  V=10 cm³.

A closed cylindrical can of volume V is having radius r and height h.

a). Surface area of a cylinder is given by

S = 2(Area of the circular sides) + Lateral area of the can

S = 2πr² + 2πrh

S = 2πr(r + h)

b). Since surface area is directly proportional to radius of the can

S ∝ r

Therefore, when r approaches to infinity (r → ∞)

c). If V = 10 cm³ Then we have to graph S against r.

From the formula V = πr²h

10 = πr²h

h = \frac{10}{\pi r^{2}}

By placing the value of h in the formula of surface area,

S = 2\pi r(r+\frac{10}{\pi r^{2}})

Now we can get the points to plot the graph,

r       -2             -1         0       1            2

S    -13.72     -13.72     0    26.28    35.13

7 0
3 years ago
4. Solve the following equation:<br> is<br> 2x + 10 =17
klasskru [66]
X=7/2 which is equal to 3.5
7 0
3 years ago
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