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IrinaK [193]
2 years ago
10

Find the measure of each angle. 10x - 20= 7x + 4

Mathematics
2 answers:
lara [203]2 years ago
3 0

Answer:x=8 so 60 for both aswers

Step-by-step explanation:10x-7x = 4+20 -> 3x=24 -> x=8

frosja888 [35]2 years ago
3 0
Guy on the top is cap
First one -200
Second one 28
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Please help!!!!!!!!!!
Gnoma [55]

Answer:

The surface of the prism is 84m²

Step-by-step explanation:

You have 4 figures here (two the same triangles)

you need to determine the surface of each and then sum it to one. This will be your final surface.

rectangles:

3*6= 18m²

5*6 = 30m²

4*6 = 24m²

triangles:

You need to determine the square of the triangles from the Heron's formula.

Heron's formula states that the area of a triangle whose sides have lengths a, b, and c is

S=\sqrt{s(s-a)(s-b(s-c)},

where s is the semi-perimeter of the triangle; that is,

s=\frac{a+b+c}{2}.

So the permimeter of the triangle is

2p=4+5+3 = 12m

p = 6m

S = \sqrt{p*(p-a)*(p-b)*(p-c)}  = \sqrt{6*(6-3)*(6-4)*(6-5)}  = \sqrt{6*3*2*1} =\sqrt{36} =6[m^{2} ]

So the surface of the prism is a total sum of all surfaces:

P = 18m²+30m²+ 24m²+2*6m² = 84m²

6 0
2 years ago
PLEASEEEEEEEEEEEE HELPPPPP BRAINLIEST
jenyasd209 [6]

Answer:

A≈527.79

Step-by-step explanation:

A=2πrh+2πr2

Brainly plss

6 0
3 years ago
Read 2 more answers
Write an equation of the line that has a slope of 3 and contains the point (2,5) in point-slope for
enot [183]
The equation would be y=3x-1

Point Slope Formula: 

y - y1 = m(x - x1)

y - 5 = 3(x-2)
y - 5 = 3x - 6
  + 5        + 5
--------------------
y = 3x - 1


8 0
3 years ago
Read 2 more answers
I forgot how to do this. Please help!
Annette [7]

Answer:Here

I forgot how to do this. Please help!

Step-by-step explanation:

5 0
2 years ago
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What is the value of the constant in the expression?<br> 2x2 + 3x - y - 18 + 7y2
Virty [35]
I think it’s 3x

Hope it helps
8 0
3 years ago
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