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sashaice [31]
4 years ago
8

Lines AB and CD are parallel. If 1 measures 131°, what is the measure of 4?

Mathematics
1 answer:
Advocard [28]4 years ago
8 0
The answer is D. 131
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Answer The forth question I will give u 95 points and the brilliantist
Llana [10]

ANSWER:

60°

EXPLAINATION:

= 2r + θ/360°× 2 x 227 x 21

64 = 2 x 21 + θ/360° x 2 x 22/7 x 21

64 = 42 + θ/360° x 44 x 3

64 - 42 = θ/360° x 11 x 3

22 = 33θ/90

θ=22×30/11

= 60°

6 0
3 years ago
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Simplify 6 to the negative 3rd power over 6 to the 5th
irina [24]
6^-3 / 6^5
= 6^(-3-5)
= 6^-8
= 1 / 6^8

hope it helps
8 0
3 years ago
Get y by itself <br> 5x+y=10
almond37 [142]
We can add in any order. So 5x+y is the same as y+5x

5x+y = 10
y+5x = 10
y+5x-5x = 10-5x ... subtract 5x from both sides
y+0x = -5x+10
y+0 = -5x+10
y = -5x+10

Answer: y = -5x+10

Note: this is in y=mx+b form where m = -5 is the slope and b = 10 is the y intercept
8 0
3 years ago
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H (t) = -t2 + t + 12 <br> Solve by using quadratic formula
Sedaia [141]

The quadratic formula is:

x=\frac{-b+\sqrt{(b)^2-4(a)(c)}}{2a}

and

x=\frac{-b-\sqrt{(b)^2-4(a)(c)}}{2a}

Let's identify our a, b, and c values:

a: -1

b: 1

c: 12

Plug in the values for a, b, and c into the equation. Let's do the first equation:

x=\frac{-1+\sqrt{(1)^2-4(-1)(12)}}{2(-1)}

Simplify everything in the radical:

x=\frac{-1+\sqrt{49}}{-2}

Simplify the radical:

x=\frac{-1+7}{-2}

Combine like terms:

x=\frac{6}{-2}

Simplify:

x=-3

This is one solution, now, let's solve for the other equation:

Since when simplified, everything is the same except the subtraction sign, we can skip the simplification again and change the sign to subtraction:

x=\frac{-1-7}{-2}

Combine like terms:

x=\frac{-8}{-2}

Simplify:

x=4

Your final answers are:

x=-3

x=4

8 0
3 years ago
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I need to subtract my 2 things are 2 and 3/7 and I have 9 I need help and it says reduce to lowest terms if necessary
Roman55 [17]
Please be more specific
3 0
3 years ago
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