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Dovator [93]
3 years ago
8

2.9 × 109 − 1.1 × 106

Mathematics
2 answers:
padilas [110]3 years ago
4 1
The answer is 33390



Hope its help ;)
madreJ [45]3 years ago
4 0
33390, should be the answer!
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Simultaneous equations 2x+3y=13 4x-y=-2
Rufina [12.5K]

Answer:

(0.5, 4 )

Step-by-step explanation:

Given the 2 equations

2x + 3y = 13 → (1)

4x - y = - 2 → (2)

Multiplying (2) by 3 and adding to (1) will eliminate the term in y

12x - 3y = - 6 → (3)

Add (1) and (3) term by term to eliminate y

14x = 7 ( divide both sides by 14 )

x = 0.5

Substitute x = 0.5 into either of the 2 equations and evaluate for y

Substituting into (1)

2(0.5) + 3y = 13

1 + 3y = 13 ( subtract 1 from both sides )

3y = 12 ( divide both sides by 3 )

y = 4

Solution is (0.5, 4 )

3 0
4 years ago
The assumptions made are: The gas molecules from Caesar's last breath are now evenly dispersed in the atmosphere. The atmosphere
Dovator [93]

Answer:

2.6\times 10^{19}m^{3}

Step-by-step explanation:

we have given thickness of atmosphere =50 km

radius of earth =6400 km

average temperature of atmosphere=15°C

Average pressure of atmosphere= 0.20 atm

we have to calculate the volume of atmosphere

so the we have to calculate the volume of atmosphere = ( volume of earth +atmosphere) - volume of earth

volume of atmosphere =\frac{4}{3}\times\pi \times \left ( 6400+50 \right )^{3}-\frac{4}{3}\times \pi\times 6400^3

=2.6\times 10^{19}m^{3}

6 0
4 years ago
Arrange the polynomial so that the powers of x are in descending order.
Aleonysh [2.5K]
8x - 9x²y + 7y² - 2x⁴
-2x⁴ - 9x²y + 8x + 7y²
3 0
3 years ago
Trial
n200080 [17]

Answer:

4 minutes is the answer ok

4 0
2 years ago
Simplify completely. 5(x - 2) + 2x
fomenos
<span>5(x - 2) + 2x
= 5x - 10 + 2x
= 7x -10

answer
</span>7x -10
4 0
3 years ago
Read 2 more answers
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