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Tema [17]
3 years ago
5

Find the value of x that makes m ∥ n .

Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

60

Step-by-step explanation:

(2x+15)=135    They're corresponding angles so they equal/congruent

<u>      -15   -15</u>       Subtract 15 on both sides since you're looking for x

<u>2x</u> = <u> 120</u>       Bring down the remains and subtract 135 from 15

 2        2        Add 2 on both sides

x= 60            Divide.

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What mathematical pattern can be seen in a perfect square trinomial and how is the pattern used to factor the trinomi
Shtirlitz [24]
(a ± b)² = a² ± 2ab + b² . . . . . . . (signs match)

The middle term is twice the product of the roots of the other two terms. This tells you the terms of the binomial are the square roots of the end terms.

The sign in the binomial will match the sign of the "2ab" term. The order of terms in the binomial doesn't matter. (a±b)² = (b±a)² when signs match.
8 0
3 years ago
It’s not C and I suck at math can someone plz help me on this plz and thx
Fittoniya [83]

Answer:

a

Step-by-step explanation:

The volume (V) of a cone is calculated as

V = πr²h ( r is the base radius and h the perpendicular height )

To calculate the height h use the right triangle formed by the radius and the inclined side.

Given diameter = 22, then r = 22 ÷ 2 = 11 cm

Using Pythagoras' identity on the right triangle, then

h² + 11² = 61² , that is

h² + 121 = 3721 ( subtract 121 from both sides )

h² = 3600 ( take the square root of both sides )

h = \sqrt{3600} = 60

Thus

V = π × 11² × 60

   = 3.14 × 121 × 60 ≈ 22796.4 cm³ → a

7 0
3 years ago
The ratio of the perimeters of two similar polygons is 5:9. What is the ratio of the areas?​
lyudmila [28]

The ratio of the areas of the two polygons can be 25:45

Just Multiply the two give numbers by 5 and you get the answer.

6 0
3 years ago
Read 2 more answers
Can someone help me and my friend on this problem?
irina [24]
Absolute value was $55. I don't really get the problem...
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3 years ago
Mathhh time! No files or jokes pls
cestrela7 [59]

Answer:2.50cm

Step-by-step explanation:

6 0
3 years ago
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