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3 years ago

Plz help .......................

Mathematics

1 answer:

Makovka662 [10]3 years ago

6 0

$\frac{ 6\sqrt{2}}{ \sqrt{3} }$

Multiply the square root of 3 by the square root of 2 and itself.
The 3 cancels itself out and then you get A

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Measuring the speed of sound in the ocean is an important part of marine research. One application is the study of climate chang

dalvyx [7]

Answer:

A linear formula for S as a function of D is S=17D+1534

Step-by-step explanation:

We are supposed to find a linear formula for S as a function of D.

Equation of line : y = mx+c

We are given that At the surface, the speed of sound is 1534 meters per second.

c = 1534

We are given that for each increase in depth by 1 km, the speed increases by 17 m/s

So, Slope = m = 17

Substitute the values in equation

y=17x+1534

x denotes depth

y denotes speed

We are given that Use D for depth and S for the speed of sound

So, S=17D+1534

Hence a linear formula for S as a function of D is S=17D+1534

7 0

2 years ago

Part of the population of 6,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 3 o

Anastasy [175]

Answer:

405

Step-by-step explanation:

We can use a ratio to solve

3 infected x infected

------------------ = ----------------

50 sampled 6750 population

Using cross products

3*6750 = 50x

Divide each side by 50

3*6750/50 = x

405

7 0

2 years ago

Read 2 more answers

44.8 is what percent of 160?

vampirchik [111]

Answer:

28% .................

6 0

2 years ago

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The product of two numbers is 20. If one of the numbers is 4/7 what is the other number?

TiliK225 [7]

Answer:

Step-by-step explanation:

1. Translate the question into an equation:

$\frac{4}{7}x = 20$

2. Multiply both sides by 7/4.

$\frac{4}{7}x * \frac{7}{4} = 20 * \frac{7}{4}$
$x = \frac{140}{4}$
$x = 35$

3 0

2 years ago

Diego is making a circular table. He is cutting the largest circle possible from a piece of square wood with sides 6 feet long.

Flauer [41]

Area of wood = 6x6 = 36
area of circle = 3.14x9 = 28.26
left over = 36 - 28.26 = 7.74

3 0

3 years ago