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3 years ago

40% of 50 is what percent of 80?

Mathematics

1 answer:

g100num [7]3 years ago

4 0

40% of 50 is 20.

20 is 25% of 80.

So the answer you are looking for is 25%.

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Create a ratio table for making lemonade with a lemon juice to water of ratio of 1:3 show how much lemon juice would be needed i

Ganezh [65]

There is 1 serving of lemon juice to 3 cups water. Hence why it's 1:3 ratio.

Since it's 1:3, then 2 servings to 6 cups of water, so on and so forth.

Multiply your lemon juice servings by 3 to find out how many cups of water for the table.

To find how much lemon juice for 36 cups of water, just divide 36 by 3 to get 12. 12 servings of lemon juice is just right for your 36 cups of water.

8 0

3 years ago

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What is the solution to the system of equations below?<br> y = 3x + 9<br> y = -3x + 12

Elena L [17]

Answer:

Step-by-step explanation:

y = 3x + 9

y = -3x + 12

y=21

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3 years ago

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A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How far does the ju

weeeeeb [17]

Answer:

x = 9.5 m

Step-by-step explanation:

Given:

This problem is based on 2D motion kinematics equations:

$V_0 = 12 m/s$

$\theta = 20^0$

$g=9.8 m/s^2$

At maximum height:

$V_y = 0$

Components of initial velocity:

$V_0x = V_0 cos (\theta) =(12 )(cos (20^0)) = 11.3 m/s$

$V_0x = V_0 sin (\theta) = (12)(sin (20^0)) = 4.10 m/s$

To find time to reach maximum height:

$V_y = V_0y -gt$

Plugging in the known values:

0 = 4.10 - 9.8t

$t = \frac{-4.10}{-9.8}$

$t = 0.418 s$

Total time = 2t = 2(0.418) = 0.836 s

to find horizontal distance covered:

$x = (V_0x)(t)\\x = (11.3)(0.836)\\x = 9.5 m$

8 0

3 years ago

Please help me with this question thank you

Diano4ka-milaya [45]

Answer:

Shindeu NANI?!?

Step-by-step explanation:

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3 years ago

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Give the slope between the points<br> (2,5) (14,-4)

andrezito [222]

Answer:

$-\frac{3}{4}$

Step-by-step explanation:

Slope

(2, 5) and (14, -4)

_______________

When we solve for slope within two points, we have to follow the formula of slope.

$\frac{y^2-y^1}{x^2-x^1}$

X and Y - The first and second number in both points

1 and 2 - The first or second number within one point

Substitute :

$\frac{-4-5}{14-2}$

$\frac{-9}{12}$

Simplify :

$-\frac{3}{4}$

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3 years ago

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