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SSSSS [86.1K]
3 years ago
6

10) Quantas combinações de duas cores podemos fazer com as cores verde, azul, amarelo,

Mathematics
1 answer:
Juliette [100K]3 years ago
6 0
A 20 is your answer
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The opposite angles of a rhombus are equal. <br> a. True <br> b. False
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The answer is a, all rhombuses have equal sides, if they have equal sides then day have equal angles.
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Lines AB and CD (if present in the picture) are straight lines. Find x. Give reasons to justify your solutions.
Olin [163]

Answer:

WORDS: The value of x is 15.

EQUATION: x = 15

Step-by-step explanation:

1. AB is a straight line therefore angles AOF, FOG, and GOB total 180º

2. If ∠FOG = 90º, AOF + GOB = 90º by subtraction & substitution property

3. 5x - 15 + 2x = 90 (now solve) --> by substitution

4. 7x - 15 = 90 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

5. 7x = 105 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

6. x = 15 --> by inverse operations (division)

Hope this helps!

8 0
3 years ago
Evaluate: -0.7 - (-2.6 + -0.8) + 7.1
SpyIntel [72]

Answer:

8.36

Step-by-step explanation:

-0.7-(-2.6+ -0.8) +7.1\\  (add inside the parenthesis)\\\\-0.7 - 3.4 + 7.1\\\\=8.36

3 0
3 years ago
A group of 5 campers used a total of 12 gallons of water on a camping trip. Each camper used the same amount of water. How many
Gnesinka [82]
(12 gal)/5 = 2.4 gal

Each camper used 2.4 gallons of water.
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3 years ago
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