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3 years ago

Solve the equation for W and L

Mathematics

1 answer:

Roman55 [17]3 years ago

4 0

Answer:

Step-by-step explanation:

Cross multiply and get:

$\sqrt{7}$ L = 5w

L = 5w/ $\sqrt{7}$

W = $\sqrt{7}$ L/5

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Brent counted 5 red cards, 10 black cards, and 20 blue cards in a deck of cards. What is the ratio of blue cards to red cards?

Elena-2011 [213]

Answer:

20:5 - If you're going to simplify it, do 20/5 which is 4/1.

Step-by-step explanation:

6 0

2 years ago

How many apples are left in the tree if you started with 18 and ended with 11

ruslelena [56]

Answer:

Wouldn't it be 11? If the tree starts with 18 apples, and ends with 11, then that's it, it ends with 11 apples.

unless you just mis-typed, and meant 18-11. 7 would be the answer.

Step-by-step explanation:

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3 years ago

Which of the following is equivalent to log9w

liraira [26]

what do you meanAnswer:

Step-by-step explanation:

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3 years ago

Stevie and Michael share their profit in a ratio 3:5. Stevie gets £120 more than Michael. How much profit did they make altogeth

Airida [17]

Answer:

£480

Step-by-step explanation:

we can multiply both terms of ratio with same number without changing the ratio.

Example

a:b = ax: bx (here we have multiplied both terms with x)\

Given

Stevie and Michael share their profit in a ratio 3:5

Let the profit for Stevie and Michael be 3x and 5x

Given Stevie gets £120 more than Michael

Profit for Steve = 120 + profit for Michael

3x = 120 + 5x

3x-5x = 120

=> -2x = 120

=> x= -120/2 = -60

As we see profit is negative , hence it cannot be solution.

It can be solved if Stevie and Michael share their profit in a ratio 5:3

(note: in ratio , bigger number should have bigger term in ratio)

Let the profit for Stevie and Michael be 3x and 5x

Given Stevie gets £120 more than Michael

Profit for Steve = 120 + profit for Michael

5x = 120 + 3x

5x-xx = 120

=> 2x = 120

=> x= x120/2 = 60

Profit for stevei = 5x =5*60 = 300

Profit for Michael = 3x = 3*60 = 180

Total profit for them together = 300 + 180 = 480 Answer.

8 0

3 years ago

The area of a circle is 153.86 square meters. What is the diameter of the circle? Use 3.14 for π.

ryzh [129]

Answer:

Option (2). 14 m

Step-by-step explanation:

Formula to get the area of a circle 'A' = $\pi r^{2}$

where r = radius of the circle

Given in the question,

Area of the circle = 153.86 square meters

By putting the values in the formula,

153.86 = πr²

r = $\sqrt{\frac{153.86}{\pi } }$

r = $\sqrt{49}$

r = 7 meters

Diameter of circle = 2 × (radius of the circle)

= 2 × 7

= 14 meters

Therefore, diameter of the circle is 14 meters.

Option (2) is the answer.

4 0

3 years ago