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Anni [7]
2 years ago
12

Can someone help me with my math?

Mathematics
1 answer:
umka2103 [35]2 years ago
8 0

Answer:

Trinity,   find the answers below

Step-by-step explanation:

for the 1st picture,  minor angels ∠1, ∠2, ∠3 are all the same as the shown angle of 130°

for the 2nd picture,  minor angles ∠2, ∠3 are the same as the shown angle of 80° and ∠1 is the adjacent angle to 80°, so it's 100° , because 180° - 80° = 100°

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What are the x-intercepts of the quadratic function f(x)=x^2+6x−16
Assoli18 [71]
-8 and 2
The expression is factorable and is equal to (x+8)(x-2). Using the zero product property, x=-8 because (-8)+8 equals zero and x=2 because 2-2 equals zero.
5 0
4 years ago
4. [4 pts] For any non-zero number a, one can explain why aº = 1 by the rules of exponents.
ozzi

Due to length restrictions, we kindly invite to read the explanation of this question to learn more on power properties.

<h3>How to understand power properties</h3>

Herein we must explain some properties of power expressions with integer exponents. A power of the form aᵇ is a product of the form a × a ×  a × a × ... × a, where a is repeated b times. a and b are the base and the exponent of the power.

First, we proceed to demonstrate that a⁰ = a:

a⁰            Given

a¹ ⁻ ¹        Existence of the additive inverse / Modulative property

a¹ · a⁻¹     Multiplication of powers of equal base

a¹ · (a¹)⁻¹   Power of a power / (- a) · b = - a · b

1               Existence of multiplicative inverse / Modulative property / Result

By definition of power, we find that a¹ as a is only only time.

To learn more on power properties: brainly.com/question/2499975

#SPJ1

6 0
2 years ago
Please help! (Find the area of the shaded region)
jeyben [28]

Answer:

9.43 ft

Step-by-step explanation:

First, we need to find the area of the entire circle(shaded & unshaded), which is 12.57, with a radius of 2 ft. Next, we find the area of the white area, and NOT the shaded area, which is 3.14, with a radius of 1 ft. Now, we need to subtract the white area(3.14) from the total area(12.57), which is 9.43.

Hope this helps!

8 0
3 years ago
This is just for people to get points!! Whats 10 x 10?
bulgar [2K]

Answer:

is equls to 100 Brainliest 6

5 0
3 years ago
Find the value of:<br> a) 5x when x = 6<br> b) 3y when y = -7<br> c) 10z when z = 0.8
Oksana_A [137]

Answer:

a) 30

b) -21

c) 8

Step-by-step explanation:

a) 5×6

b) 3×-7

c) 10×0,8

4 0
3 years ago
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