MATHEMATICS HIGH SCHOOL

Please help me answer this. Ty

Answers

Answer 1

Answer:

I think 63, but I'm not sure, how do I delete an answer-

Answer 2

Answer:

Answer:

x=63

Step-by-step explanation:

∠BAC=∠ACD=x(AB∥CD)

∠BCA=∠BAC=x(base∠s, isos△)

∠？BC+∠BCA=90（ext.∠of△）

27+x=90

x=90-27

x=63

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Derive the equation of the parabola with a focus at (−5, 5) and a directrix of y = -1f(x) = −1/12 (x − 5)2 + 2 f(x) = 1/12 (x − 5)2 + 2 f(x) = −1/12 (x + 5)2 + 2 f(x) = 1/12 (x + 5)2 + 2
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Which of the following is equivalent to 6x 2 + x - 12 ?A. (2x + 3)(3x - 4) B. (2x - 3)(3x - 4) C. (2x + 3)(3x + 4) D. (6x + 3)(x - 12) E. (x + 3)(2x - 12) Please show me step by step how to solve this problem Thanks

Leons older brother is 4 3/4 feet tall. Leon is 1/3 foot shorter than his brother. How tall is leon?

Answers

the answer would be 4 5/12

Answer:

1.583 feet

Step-by-step explanation:

4 3/4 is 4.75

4.75/3=1.583

Our galaxy contains roughly 250000000000 stars. How many billion is this?

Answers

It is 250 billion. Hope this helps

the answer is 250 billion.

Describe the graph of the function f(x) = x3 − 15x2 + 68x − 96. Include the y-intercept, x-intercepts, and the end behavior.

Answers

in the form
f(x)= $ax^(n)+bx^(n-1)...+z$
a=leading term,
z=contstant aka y intercept

this is 3rd degree (highest term is x^3) with leading term positive so the graph goes from bottom left to top right
x intercept is when y=0 so
0=x^3-15x^2+68x-96
factor
(x-8)(x-4)(x-3)
these are your roots aka zeroes (where the line crosses the x axis)
the roots are
(x-r) where r=root aka x intercept

so we have
(x-8)(x-4)(x-3)
roots are
8,4,3
x intercepts are 8,4,3 or (8,0),(4,0),(3,0)

y intercept is when x=0 so just get rid of all x terms and we are left with
-96
aka y intercept=(0,-96)

x intercepts=(8,0),(4,0),(3,0)
y intercept=(0,-96)
end bhavior is graph goes from bottom left to top right

Which answer describes this series? 2 + 4 + 12 + 48 +...

e) Neither arithmetic nor geometric
f) Both arithmetic and geometric
g) arithmetic
h) geometric

Answers

e) Neither arithmetic nor geometric
*2
*3
*4
...

20 points pls help someone

Answers

Answer: 5-6

Step-by-step explanation:

because it flips

The answer is 5-6

Hope this helps

The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars, of producing the toy cars can be modeled by 3x2 – x + 200. The number of toy cars sold is represented by x.If the profit is the difference between the revenue and the cost, what expression represents the profit?

3x – 260
3x + 140
5x – 260
5x + 140