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Yuliya22 [10]
3 years ago
8

Help needed plz help

Mathematics
2 answers:
Aliun [14]3 years ago
6 0
Pretty sure the answer is C
KIM [24]3 years ago
4 0
The answer is x>3.5 for sure
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Anybody know!!!! SOS
ikadub [295]

Answer:

x = 50

Step-by-step explanation:

The sum of the measures of the interior angles of a polygon of n sides is

(n - 2)180

This polygon is a quadrilateral with 4 sides. n = 4

(n - 2)180 = (4 - 2)180 = 2(180) = 360

The sum of the measures of the interior angles of the quadrilateral is 360 degrees.

We have angles of 110 deg, 2x deg, x + 10 deg, and 90 deg. We add their measures and set teh sum equal to 360. Then we solve for x.

x + 10 + 2x + 110 + 90 = 360

3x + 210 = 360

3x = 150

x = 50

4 0
2 years ago
Read 2 more answers
PLEASE HELP PLEASE IM TIMED!!!
inysia [295]

Answer:

9316000000000

Simply move the decimal 12 places to the left.

If this helped please mark as brainiest <3

8 0
2 years ago
Find the total surface area of this triangular prism.
Irina18 [472]

Answer:

not sure but i think its 425 cm

Step-by-step explanation:

for the square i dont know

how its called in english the surface is 25×10= 250cm

and for the triangle its (25×14):2 = 175cm

so 175 + 250= 425cm

4 0
2 years ago
A pool can be filled by one pipe in 8 hours and by a second pipe in 2 hours. How long will it take using both pipes to fill the​
andreev551 [17]

let the time taken to be filled by both pipes be y

1/2 +1/8=1/y

(4+1)/8=1/y

5/8=y

cross multiplying

5y=8

y=8/5

=1.6hrs

7 0
3 years ago
How do you simplify the expression (2 x 4) plus 7 equals X
Alex Ar [27]
The answer is 15 to the question


8 0
2 years ago
Read 2 more answers
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