DUE IN 5 MINUTES MATH QUESTION

Mathematics

1 answer:

kumpel [21]3 years ago

4 0

Answer:

x= -10

Step-by-step explanation:

So because the angle 55 is part of the same line as one of the unknown angles you can do 180-55 to find that first angle at the top, which is 125.

Next add all three angles (125 + x + 35 + x + 40)=180

Combine the x values to get 2x and subtract the three values from 180

Then 2x= -20, x should be equal to -10

You can plug x back into the values and check your work by adding all the values again, making it all equal to 180 degrees again

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What is the surface area of this prism?

Zigmanuir [339]

Let's find the area of each shape that makes up the prism. Let's first start with the triangles.

There are two identical triangles on both ends of the prisms. They have a height of 12 and a base 18. Let's find the area of both of the triangles.
12×18=216
216 is the area of both triangles. Each triangle has an area of 108 though.
Let's find the area of the two rectangles.

There are two identical rectangles that are 30 m by 15 m. Let's find the area of both.
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So, the area of both rectangles together is 900.
Let's find the area of the rectangle that acts as the base in the picture.

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7 0

3 years ago

A small theater with 200 seats sells two kinds of tickets for a performance. Premium tickets sell for $20 each and Standard tick

KATRIN_1 [288]

P + s = 200......p = 200 - s
20p + 15s = 3400

20(200 - s) + 15s = 3400
4000 - 20s + 15s = 3400
-20s + 15s = 3400 - 4000
-5s = - 600
s = -600/-5
s = 120 <=== there were 120 standard tickets sold

p + s = 200
p + 120 = 200
p = 200 - 120
p = 80 <=== there were 80 premium tickets sold

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4 years ago

List the next three numbers for the sequence: 25, 75, 300, 1500, ...

ELEN [110]

Answer: 2000

Step-by-step explanation:

4 0

3 years ago

Y = 1/5x+3 explain plz

IceJOKER [234]

Answer:

alright all you need to do is Use the slope-intercept form to find the slope and y-intercept