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3 years ago

HELPPPP PLSSS ILL GIVE U 40 POINTSSS

Mathematics

2 answers:

aalyn [17]3 years ago

6 0

I’m pretty sure it’s 140

mash [69]3 years ago

4 0

105

140

explanaion: its one of the two i believe

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4 3/5 - 4/5 = ? please explain it ixl

miskamm [114]

Answer:

$\frac{19}{3 } \: or \: 3 \frac{4}{5}$

Step-by-step explanation:

Change the mixed number into a regular fraction.

$\frac{23}{5} - \frac{4}{5}$

Subtract the numerator.

$\frac{19}{5}$

As a mixed number:

$3 \frac{4}{5}$

8 0

2 years ago

The average density of the material in intergalactic space is approximately 2.5 × 10–27 kg/m3. what is the volume of a lead samp

Lesechka [4]

Answer:

e. $1.8\times 10^{-6}m^3$

Step-by-step explanation:

It is given that,

The density of intergalactic space material is $2.5 \times 10^{-27}$ kg per cubic meter.

And the volume of intergalactic space material is $8.0\times 10^{24} m^3$

So the mass of that much intergalactic space material is,

$m= \rho\times v$ , where 'm' is the mass, and 'v' is the volume.

Putting the values we get,

$m=2.5 \times 10^{-27}\times 8.0 \times 10^{24}$

$m=20\times 10^{(-27+24)}=20\times 10^{-3} kg$

It is also given that the mass of lead is the same as the mass of the intergalactic space material. Therefore, the mass of lead is $20 \times 10^{-3}=2 \times 10^{-2}kg$

So the volume of lead is,

$v=\frac{m}{\rho} =\frac{2 \times 10^{-2}}{11300} = 0.00000177 m^3$

$v=1.77 \times 10^{-6}=1.8\times 10^{-6}m^3$

So the volume of lead is $v=1.8\times 10^{-6}m^3$ .

3 0

3 years ago

Find the m please it’s due today . (-11,5) & (2,-4)

d1i1m1o1n [39]

Answer:

m = $\frac{-9}{13}$

Step-by-step explanation:

I'm assuming by m, you mean the slope.

You have two points. (-11, 5) and (2, -4)

m = change in y-value ÷ change in x-value

1) Substitute in the points.

m = $\frac{(-4)- 5}{2 - (-11)}$

2) Solve.

-4 - 5 = -9

2 - (-11) = 13

So, the slope would equal $\frac{-9}{13}$ .

4 0

3 years ago

Mclaire155 THIS IS FOR YOU not and thank you

jeka57 [31]

Answer:

shhdhd

Step-by-step explanation:

Oh wow great marks

8 0

3 years ago

Read 2 more answers

HELP!! correct answer gets brainliest

Llana [10]

Answer:

1/3 I think I did the math and if that's not right try 1/3:1/4 (<--ratio)

Step-by-step explanation:

3 0

3 years ago