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choli [55]
3 years ago
11

In A ABC, mZA= 15° and m2 B = 120°. Select the triangle that is similar to AABC.

Mathematics
1 answer:
Anna35 [415]3 years ago
4 0
Your correct answer is letter b
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(x - 5)(x^2 + 4x - 2)
n200080 [17]

Distribute sum groups

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

Distribute

x^3 + 4x^2 - 2x - 5(x^2 + 4x - 2)

Distribute

x^3 + 4x^2 - 2x - (5x^2 + 20x - 10)

Simplify brackets

x^3 + 4x^2 - 2x - 5x^2 - 20x + 10

Collect like terms

x^3 + (4x^2 - 5x^2) + (-2x - 20x) + 10

Simplify

<u>x^3 - x^2 - 22x + 10</u>

4 0
3 years ago
Question number four part A :)
atroni [7]
Since angles EFA, AFB, and BFC lie on a straight line, then they must add up to 180° (angle sum of a straight line)

So, 7x + 4 + 8x + 6 + 6x + 2 = 180
21x + 12 = 180
21x = 168
x = 8
3 0
4 years ago
Read 2 more answers
ASAP HELP!! sorry the photo is bad it’s the lighting but please help
ICE Princess25 [194]

Answer:

3

Step-by-step explanation:

8 0
4 years ago
James and two cousins received the same amount of money to go to the arcade. Each person spent $15. Afterwords, they had $30 alt
Angelina_Jolie [31]

Answer:

$25

Step-by-step explanation:

-James and two cousins (that's 3 people)

3x=30+(15x3)

x being the amount of money they had each

<u>3x</u>=<u>75</u>

3    3       (we divide by three to find the amount of money each person had)

x=25  (each person had 25 dollars)

CHECK:

3<em>x25</em>=30+(15x3)

75=75

<u><em>true</em></u>

FINAL ANSWER:

James and his two cousins each received 25 dollars.

<em />

7 0
4 years ago
Paul wants to know when gas would have cost about $1.50 per gallon. What step should he take?
EastWind [94]
 he should know how much gallons he need to fill his car up 
multiply 1.50 by the amount of gallons he need so he should know how much money to spend on that many gallons
hoped i helped and brainlist plz
3 0
3 years ago
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