Can you put this in order -4, 5/8, 3, and -2.9

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

7 0

-2.9,-4,5/8,3 the negatives go first

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Monthly spending : $46,$62,$63,$57,$50$42$56$40 its median, mode and range

ozzi

Mean = $52
median = $53
no mode
range = 63 - 40 = $23

6 0

3 years ago

A private airplane leaves an airport and flies due east at 192 km/hr. Two hours later, a jet leaves the same airport and flies d

elixir [45]

The answer is 0.5 hours.

A velocity (v) of an object is a distance (d) divided by time (t):
v = d ÷ t ⇒ t = d ÷ v

It is given:
v1 = 192 km/h
v2 = 960 km/h
t1 - t2 = 2h
We need to calculate t2.

Since they will travel the same distance before the jet overtakes the plane, we can say that d1 = d2 = d

Now, let's express t1 and t2:
t1 = d/192
t2 = d/960

Therefore: d/192 - d/960 = 2
The least common denominator is 960, so:
5d/960 - d/960 = 2
4d/960 = 2
4d = 2 · 960
4d = 1920
d = 1920 ÷ 4 = 480 km

Now t2 = d/960 = 480/960 = 0.5 hours.

5 0

3 years ago

I dont get it plzzz help me

cricket20 [7]

Given Equation: $\frac{1}{3}h-4(\frac{2}{3}h-3)=\frac{2}{3}h-6$

Let us remove parenthesis first.

In order to remove parenthesis, we need to distribute -4 over parenthesis (2/3 h -3).

Distributing -4 over (2/3 h -3), we get,

-4*2/3 h - 4*-3 = -8/3 h + 12.

Substituting this value in original equation, we get

$\frac{1}{3}h-\frac{8}{3}h+12 =\frac{2}{3}h-6$

Now, in order to make the equation easy to solve, we always remove fractions. In order to remove fraction, we need to find the lowest common denominator of all terms(lcd).

The fraction terms has 3 in denominators, so we could multiply each and every term by 3 to remove 3's from denominators.

Multiplying each equation by 3, we get,

$3*\frac{1}{3}h-3*\frac{8}{3}h+3*12 =3*\frac{2}{3}h-3*6$