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3 years ago

What is the value of x? A. 4 B. 4√3 C. 8 D. 8√3

Mathematics

1 answer:

SashulF [63]3 years ago

4 0

Answer:

B. 4√3

Step-by-step explanation:

$\sin \: 60 \degree = \frac{x}{8} \\ \\ \therefore \: \frac{ \sqrt{3} }{2} = \frac{x}{8} \\ \\ \therefore \: x = \frac{8 \times \sqrt{3} }{2} \\ \\ \therefore \: x = 4 \times \sqrt{3}\\ \\ \huge \purple{ \boxed{ \therefore \: x = 4 \sqrt{3} }}\\$

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If x+y=10 and x-y=4,find the value of x*x-y*y

Irina18 [472]

Hi,
$x^2-y^2=(x+y)*(x-y)=10*4=40$

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3 years ago

P-4=5p+3p-8 How do I solve this equation

kotegsom [21]

Answer:

P = 4/7

Step-by-step explanation:

p-4 = 8p - 8 | Rewrite Problem while simplifying like terms

p - 8p = 4 - 8 | Put the P's on their own side

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4 years ago

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jonny [76]

Answer:

Step-by-step explanation:

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3 years ago

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Chance bought a surf board for 249. Now it's on sale for 221.10. Find the percent of the discount

Masteriza [31]

Answer:

Chance bought a surf board for 249. Now it's on sale for 221.10 and 11.20% is the discount.

Solution:

Step 1:

Bought price= RS.249

Sale price=RS.221.10

Step 2:

Discount = bought price - sales price

Discount = 249 - 221.10

Discount = 27.9

Step 3:

Discount Percent = $\frac{\text {Discount}}{M R P} \times 100$

Substitute the value for Discount which we found in step 2 in the above formulae

Discount Percent = $\frac{27.9}{249} \times 100$

On simplification, we get

$\frac{27.9}{249} \times 100$

Discount Percent = 11.20%

Result:

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5 0

3 years ago

2. What is g(6)and what does it represent in the context of this example?

ahrayia [7]

Answer:

g(x) = 30

Step-by-step explanation:

Let the function representing line in graph 2 is,

g(x) = mx + b

Here m = slope of the line

b = y-intercept

Since the given line passes through origin (0, 0), y-intercept of the function will be 0.

Slope of the line = $\frac{\triangle y}{\triangle x}$

= $\frac{10}{2}$

= 5

Therefore, function will be g(x) = 5x

For x = 6,

g(6) = 30

This function represents that height of liquid in the cylinder is directly proportional to the amount of liquid poured in the cylinder.

3 0

4 years ago