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3 years ago

Solve and graph y>3x y>-x-8

Mathematics

1 answer:

OleMash [197]3 years ago

4 0

Answer: it’s says the equation is solved here’s the graph

Step-by-step explanation:

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The radius of a sphere is measured to be 3.12 cm what is the most accurate volume of a sphere you can report

wlad13 [49]

Answer is 127.15

to google the formula of volume of sphere

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3 years ago

An airplane is flying at a velocity of 500 miles per hour due north when it encounters a wind blowing out of the west at 50 mile

Y_Kistochka [10]

V 1 = 500 mph,
v 2 = 50 mph
The resultant velocity:
v r² = v 1 ² + v 2 ²
v r ² = 500² + 50² = 250,000 + 2,500 = 252,500
v r = √252,500 = 502.49378 ≈ 502.49 mph
Answer: the magnitude of the resultant velocity is 502.49 mph.

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3 years ago

Please help! <3 worth 100 points

shepuryov [24]

Answer:

I cannot see the question! Mind typing it out for me?

Step-by-step explanation:

I could really solve it if you typed it

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3 years ago

Read 2 more answers

What is the density of this object? (A sphere)

igor_vitrenko [27]

9514 1404 393

Answer:

about 0.299 kg/m³

Step-by-step explanation:

Density is the ratio of mass to volume.

ρ = M/V

ρ = (10 kg)/(4/3π(2 m)³) = 15/(16π) kg/m³ ≈ 0.299 kg/m³

5 0

3 years ago

One canned orange juice is 25% orange juice another is 5% orange juice. How many liters of each should be mixed together in orde

Cerrena [4.2K]

Answer:

$X = \frac{1.6 - 0.05Y}{0.25}= 6.4 -0.2 Y$ (3)

Replcaing equation (3) into equation (2) we got:

$0.75(6.4 -0.2 Y) +0.95 Y = 18.4$

And solving for Y we got:

$4.8 -0.15 Y +0.95 Y = 18.4$

$0.8 Y = 13.6$

$Y = 17$

And solving for X from equation (3) we got:

$X= 6.4 -0.2*17 = 3$

So we need 3L of orange juice with 25% of concentration and 17 L of orange juice with 5% of concentration

Step-by-step explanation:

For this problem we can work with the concentration of water and orange juice.

Let X the amount for the orange juice with 25% content and Y the amount for the orange juice with 5% of content

Using the concentration of orange juice we have:

$0.25 X + 0.05 Y = 20*0.08$ (1)

And for the water we have:

$0.75 X + 0.95Y = 20*0.92$ (2)

If we solve for X from equation (1) we got:

$X = \frac{1.6 - 0.05Y}{0.25}= 6.4 -0.2 Y$ (3)

Replcaing equation (3) into equation (2) we got:

$0.75(6.4 -0.2 Y) +0.95 Y = 18.4$

And solving for Y we got:

$4.8 -0.15 Y +0.95 Y = 18.4$

$0.8 Y = 13.6$

$Y = 17$

And solving for X from equation (3) we got:

$X= 6.4 -0.2*17 = 3$

So we need 3L of orange juice with 25% of concentration and 17 L of orange juice with 5% of concentration

7 0

3 years ago