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Solnce55 [7]
2 years ago
14

Find the length of side x in simplest radical form with a rational denominator.

Mathematics
1 answer:
NeTakaya2 years ago
5 0

Answer:

x = 2 \sqrt{5}

Step-by-step explanation:

\sin \: 30 \degree =  \frac{ \sqrt{5} }{x}  \\  \\  \frac{1}{2} =  \frac{ \sqrt{5} }{x}  \\  \\x = 2 \sqrt{5}

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-1/5 plus 7/10 <br><br> Whats the answer ??/
lubasha [3.4K]

Answer:

Hi Friend!

The Correct Answer is 1/2

Step-by-step explanation:

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(-1/5, 7/10) = 10

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

3 0
3 years ago
Find the value of the expression 2ab/c when a = -1, b = -4, and c= 2
motikmotik

Answer:

4

Step-by-step explanation:

Given

\frac{2ab}{c} , substitute the given values into the expression

= \frac{2(-1)(-4)}{2}

= \frac{2(4)}{2}

= \frac{8}{2}

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4 0
3 years ago
Read 2 more answers
Yuan makes punch by mixing cranberry juice and pineapple juice. For every 3 cups of punch, he uses 2 cups of cranberry juice. Dr
Aleks [24]

Answer:

10 cups of canberry juice

Step-by-step explanation:

Given that  for every 3 cups of punch, he uses 2 cups of cranberry juice.

we need to find the number of canberry juice needed to make 15 cups of punch

3 cup's of punch ---> 2 cups of canberry juice

15 cups's of punch ----> x cups of canberry juice

on cross multiplication we get

3\times x=15\times2

x = 10

Therefore we need 10 cups of canberry juice

6 0
3 years ago
Help!!!! 100 POINTS (FIRST CORRECT ANSWER GETS BRAINLIEST)
sashaice [31]

Answer:

14x+4

Step-by-step explanation:

5x+5x+2x+2x+3+3-1-1

5x+5x+2x+2x=14x

3+3-1-1=4

14x+4

8 0
2 years ago
A circle has its center at (-1, 2) and a radius of 3 units. What is the equation of the circle? (1 point) (x - 1)2 + (y + 2)2 =
Nina [5.8K]

Answer:

(x + 1)^2 + (y - 2)^2 = 3^2 = 9

Step-by-step explanation:

The standard equation of a circle with center at (h, k) and radius r is

(x - h)^2 + (y - k)^2 = r^2.

Here, h = -1, k = 2 and r = 3, so the equation of this particular circle is

(x + 1)^2 + (y - 2)^2 = 3^2 = 9.

8 0
3 years ago
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