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Pachacha [2.7K]
3 years ago
11

The velocity of sound in air is given by the equation v= 20 273+t here is the velocity in meters per second and is the temperatu

re in degrees Celsius. Find the temperature when the velocity of sound in air is 395 meters per second. Round to the nearest degree.
U spam I kill u
Mathematics
1 answer:
Digiron [165]3 years ago
4 0

I'm spamming my own answer.

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What is the distance between (4, 6) and (5, 0)
tresset_1 [31]

Answer:

6 units

Step-by-step explanation:

Given data

x1=4

y1=6

x2=5

y2=0

substitute in the formula for the distance between two points

d=√((x_2-x_1)²+(y_2-y_1)²)

d=√((5-4)²+(0-6)²)

d=√((1)²+(6)²)

d=√36)

d=6

Hence the distance is 6 units

4 0
3 years ago
How do I use benchmark fractions
Mumz [18]
Compare fractions<span> using a </span>benchmark fraction<span>. Compare two </span>fractions<span> with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a </span>benchmark fraction<span> such as 1/2. Recognize that comparisons are valid only when the two </span>fractions<span> refer to the same whole.</span>
5 0
3 years ago
Which of the following is the correct point-slope equation for the line that passes through the point (-6, -1) and is parallel t
inn [45]

Answer:

A. y + 1 = 7(x + 6)

Step-by-step explanation:

1) Point slope form is

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is a point on the line

2) Parallel lines have the same slope

in this case m = 7

-------------------------------

Plug in m = 7 and (x1, y1) = (-6, -1)

y + 1 = 7(x + 6)

which is answer A

3 0
3 years ago
If a man spend 1/5 on food a<br>nd 1/3 on car and his left with #286.how much is his income​
mr_godi [17]

Answer:

Step-by-step explanation:

Let income=X

Given he spend 1/5of his income on food.=X/5

He spend 1/3 of his income on car=X/3

Left with=286

So

x-(X/5+X/3)=286

x-8x/15=286

7x/15=286

X=286×15/7

X=612.85

His income is 612.85.

7 0
3 years ago
Mr lippman bought a dryer for 160 bucks and sold it for 240 bucks. if overhead expenses were 20% of the selling price, what was
emmainna [20.7K]
This is the concept of business mathematics, the profit will be given by:
profit=selling price-(buying price+overheads)
overheads=20/100*240=$48
thus the profits will be:
profit=240-(160+48)
=240-208
=$32
4 0
3 years ago
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