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Grace [21]
3 years ago
8

A radius and an angle measure between 0 and 360 degrees

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0
Whats the question???
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What is the circumference of the circle if r = 3,5 feet?
Nady [450]

Answer:

21.98

Step-by-step explanation:

C=2πr C=2d are the formulas of circumference so that would mean the diameter of the circle is 7 since 2 times the radius is the diameter. We then multiply the diameter 7 by PI to get 21.98

8 0
2 years ago
Solve x42=37 x 42 = 3 7 using two different strategies. Explain each strategy.
Dafna11 [192]

Given equation : \frac{x}{42}=\frac{3}{7}.

Strategy 1: We can cross mutiply both sides remove fraction form.

On cross multiplication, we get

x * 7 = 3 * 42

7x = 126.

Dividing both sides by 7, we get

<h3>x = 18.</h3>

Strategy 2: We can find least common denominator(lcd) of both sides and multiplying both sides by that lcd to get rid denominators from both sides.

LCD of 42 and 7 is 42.

Therefore, multiplying both sides by 42, we get

42\times \frac{x}{42}=42\times\frac{3}{7}

x = 6 * 3

<h3>x = 18.</h3>
4 0
3 years ago
Choose the best system of equations to represent the situation and determine the labels for the variables:
7nadin3 [17]
Answer B.
X represents the number of years grown
Y represents the total number of feet grown
4 0
3 years ago
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Which quadrilateral will always have 4-fold reflectional symmetry?
saul85 [17]

Answer:

trapezoid

Step-by-step explanation:

5 0
3 years ago
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PLZ HELP I WILL MARK BRAINLEST, THANKS!
Andru [333]

Answer:

3, and b

Step-by-step explanation:

1. x =3

Because you have 3 little squares for one x

2. x= -12

b) 15+6=21

3 0
2 years ago
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