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3 years ago

Please help me please

Mathematics

1 answer:

Levart [38]3 years ago

7 0

Answer:

Alternate Interior Angles Theory

Step-by-step explanation:

Any number inside the angle is known as an Alternate Interior Angle.

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Which matrices can be added together? please help, thank you

sergiy2304 [10]

K with T. Same row and columns

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3 years ago

Compare and Contrast how you would factor x^2−9 and x^2+9. For full credit, make sure you explain why they are factored differen

marishachu [46]

The factored form of the expression $x^2 - 9$ is $(x+3)(x-3)$

The expression x^2 + 9 has no real roots hence cannot be factored

Quadratic equations are equations with a degree of 2.

Given the quadratic function $x^2-9 \ and \ x^2+9$

For the function $x^2 - 9$

$=x^2-9\\=x^2-3^2$

Using the difference of two squares:

$a^2-b^2=(a-b)(a+b)\\x^2-3^2=(x-3)(x+3)$

For the expression x^2 + 9

The expression x^2 + 9 has no real roots hence cannot be factored

Learn more on factorization here: brainly.com/question/20293447

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3 years ago

132° 125° 141° 140° 145° r 120° 113° Find the value of R

Charra [1.4K]

Answer:

130*

Step-by-step explanation:

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2 years ago

Determine whether the ordered pair (6,5) is a solution to the equation -2x + y = -7

natita [175]

Answer:

i really dont knok but my guess is yes

Step-by-step explanation:

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3 years ago

What is the value of x? Please help! Thanks!

leonid [27]

Answer:

x=75

Step-by-step explanation:

We can use proportions to solve this problem. Put the side of the small triangle over the side of the large triangle.

42 50

------ = ----------

42+63 50+x

42 50

------ = ----------

105 50+x

Using cross products

42(50+x) = 50*(105)

2100+42x = 5250

Subtract 2100 from each side

2100-2100+42x = 5250-2100

42x =3150

Divide by 42

42x/42 = 3150/42

x = 75

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3 years ago