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3 years ago

Please help sorry it’s hard to read

Mathematics

2 answers:

lawyer [7]3 years ago

6 0

Answer:6 to 10

Step-by-step explanation:

Lera25 [3.4K]3 years ago

3 0

The equivalent ratios are 3 to 5, 24 to 40, and 6 to 10.

Ratios are equivalent when they can be simplified down to the same ratio, for example 2 to 4 simplifies to 1 to 2 (by dividing by 2), and so does 3 to 6 (by dividing by 3), so these are equivalent. We can find answers by first simplifying the original ratio 12 to 20, which we can do by finding common factors and dividing by them:

12 to 20

÷ 2

6 to 10 (here we have found one answer)

÷ 2

3 to 5 (and here is another answer)

We then get 24 to 40 by multiplying the original ratio by 2, so:

12 to 20

× 2

24 to 40

I hope this helps! Let me know if you have any questions :)

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What is the equation of this function after it is reflected over the x-axis?

erma4kov [3.2K]

Answer: F(x)=-(x+4)^3

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3 years ago

How many revolutions does a go kart with a wheel circumference of 62.8318 inches make in a 1609 m race? Please answer as quickly

Rudiy27

Answer: 1008 revolutions

Step-by-step explanation:

1 revolution is equal to $2\pi r$

To find how many revolutions the wheel makes, you must divide the distance traveled in the race between the circumference of the wheel

You must first convert 62.8318 in to meters.

We know that 1 inch is 0.0254 meters

Then

$62.8318\ in*\frac{0.0254\ m}{1\ in}= 1.5959\ m$

$revolutions = \frac{1609}{1.5959}\\\\revolutions=1008.21\\$

Finally The wheel made 1008.21 revolutions

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3 years ago

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prohojiy [21]

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6 0

3 years ago

From a point on the ground 47 feet from the foot of a tree, the angle of elevation to the top of the tree is 35º. Find the heigh

frez [133]

Answer:

Step-by-step explanation:

49.4 degrees

Step-by-step explanation:

In Triangle AXY,

We want to determine the angle of elevation from the point is standing to the top of the flagpole, which is the angle at V in the diagram.

In Triangle XVY

|VY|=36 feet

Therefore, the angle of elevation from the point is standing to the top of the flagpole is 49.4 degree to the nearest tenth of a degree.

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5 0

3 years ago

Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had studen

san4es73 [151]

Answer: The mean of this distribution = 61.95

The standard deviation of this sampling distribution (i.e., the standard error= 0.048

Step-by-step explanation:

Given : Data from the U.S. Department of Education indicates that 59% of business graduate students from private universities had student loans.

i.e. proportion of business graduate students from private universities had student loans : p=0.59

sample size : n=105

Then , the mean of the distribution is given by :-

$\mu= np = (105)(0.59)=61.95$

∴The mean of this distribution = 61.95

Then standard deviation of this sampling distribution is given by :-

$\sqrt{\dfrac{p(1-p)}{n}}\\\\=\sqrt{\dfrac{(0.59)(1-0.59)}{105}}\\\\=\sqrt{0.00230381}\\\\=0.047998015832\approx0.048$

∴The standard deviation of this sampling distribution (i.e., the standard error= 0.048

8 0

3 years ago