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lilavasa [31]
3 years ago
12

WORKED EXAMPLES

Mathematics
1 answer:
Doss [256]3 years ago
3 0

Answer:

20

Step-by-step explanation:

Vertical angles are equal to each other

x = -3x + 80

x + 3x = 80

4x = 80 divide both sides by 4

x = 20

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66 2/3% of 1860 is what number
Allisa [31]
2/3*1860= 1240

2/3 is equal to 66 2/3 %

4 0
3 years ago
What is the measure of ACE shown in the diagram below?
Doss [256]

Answer:

D. 29

Step-by-step explanation:

∠ACE is a secant- secant angle and is measured as half the difference of the intersecting arcs, that is

∠ACE = 0.5(m AE - m BD )

= 0.5 (106 - 48)° = 0.5 × 58° = 29° → D

7 0
4 years ago
If the ratio of red hairbands to green hair bands is 5 to 9 with a total of 70 hairbands, how many of them are green?
DaniilM [7]

Answer:

45

Step-by-step explanation:

This can be written as 5r:9g. Add 5 and 9 to get the total of 14. You can write a ratio of 9 green: (out of) 14 total = x green: (out of) 70 total. Multiply 9 and 14 by 7 to get 45:70. Therefore, if there are 70 hairbands, 45 are green.

4 0
3 years ago
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Margaret [11]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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