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Svetllana [295]
3 years ago
15

Please hurry i need this fast

Mathematics
2 answers:
aleksandrvk [35]3 years ago
8 0

Answer:

x=15

Step-by-step explanation:

well by angles in parallel lines

angle 1 is equal angle 2

so we have

7x=5x+30\\\\7x-5x=30\\\\2x=30\\\\x=15

Xelga [282]3 years ago
4 0

Answer:

15

Step-by-step explanation:

Since angles 1 and 2 are known as "alternate interior angles", they are equal to each other.

Since they are equal, we can set the equations equal to each other as well.

7x = 5x + 30

-5x  -5x

2x = 30

x = 15

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Completely factor the polynomial. 16x 2 - 25
Sunny_sXe [5.5K]

Answer:

(4x-5)(4x+5)

Step-by-step explanation:

16x^2 - 25

Rewriting

(4x)^2 - 5^2

We recognize that this is the difference of squares

a^2 - b^2 = (a-b) (a+b)

(4x)^2 - 5^2 = (4x-5)(4x+5)

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3 years ago
What is a four digit whole number that is divisble by 2​
valentinak56 [21]

Answer:

any even number is divisible by 2.  

Here's an example:  2222

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3 0
3 years ago
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4) The area of a piece of pie in the shape of a sector is 7.1 in. The angle of the sector is 40°. Find the diameter of
elixir [45]

Answer:

Step-by-step explanation:

Area of sector = angle/360 * pi * r^2

7.1 = 40/360 * 22/7 * r^2

7.1 = 1/9 * 22/7 * r^2

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r^2 = 20.331818181818

r = square root of 20.331818181818

r = 4.51

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4 0
3 years ago
How many 4.2 pound bags of mulch do we need to cover 60 square yards if each bag can cover 1.25 square yards?
Talja [164]
If each bag covers 1.25 ft^2 then you need to divide the total area 60 ft^2 by 1.25 ft^2 and that will tell you the number of bags needed which is 48 bags
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Which is the equation of the parabola?
Umnica [9.8K]

Answer: y=-\dfrac{1}{8}(x - 2)^2 - 3

<u>Step-by-step explanation:</u>

The vertex form of a parabola is: y = a(x - h)² + k    where

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NOTE: p is the distance from the vertex to the focus

The vertex (h, k) is (2, -3)

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Insert those values into the vertex formula to get:

y=-\dfrac{1}{8}(x - 2)^2 - 3

4 0
3 years ago
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