3 years ago

Wich set of shapes contains members that are always similar to one another

Mathematics

1 answer:

love history [14]3 years ago

7 0

Equailateral triangles

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What are all the angle measures for right triangle ABC?

Alenkasestr [34]

Answer:

$\alpha = 60°,\:\beta = 30°, \: 90°$

Step-by-step explanation:

$Arccos( \frac{ \sqrt{3} }{2} ) = \beta \\ Arccos( \cos \: 30 \degree ) = \beta \\30 \degree = \beta \\ \therefore \: \alpha = 60 \degree \\ remaining \: angle = 90 \degree \\$

3 0

3 years ago

Give me examples of equivalent expressions of square root 54 with a radican of 3

stepan [7]

Try this answer 3√54

8 0

2 years ago

2n - 5 = 31<br><br> Answer: The value of n is ....

Romashka [77]

Answer:

n = 18

Step-by-step explanation:

2n - 5 = 31

Add 5 to each side

2n - 5+5 = 31+5

2n = 36

Divide each side by 2

2n/2 = 36/2

n = 18

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3 years ago

The function for the cost of materials to make a muffin is f(x) = Three fourths x + 3, where x is the number of muffins. The fun

velikii [3]

(3x+4)(x+3)
(3x20)(20+3)
(60)(23)
1380

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3 years ago

You earn $7.50 per hour at a fast food restaurant. You earned $123.75 last week. How many hours did you work last week?

ladessa [460]

I believe you would need to divide 123.75 by 7.50.

The equation would look something like this:
7.50x=123.75
Where x = # of hours worked
123.75 / 7.50 = 16.5
so x = 16.5
You worked for 16.5 hours

3 0

3 years ago