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3 years ago

15

Please help 20-23 it is 6th grade math and it is due October 16 please I really need help we are doing simplifying expressions a

nd not solving them

1 answer:

mel-nik [20]3 years ago

8 0

Hey I'm in 6th too, Simplify means to solve the prob

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Carlos is building a screen door. He height of the door is 1 foot more than twice the width. What is the width of the door if th

Natalija [7]

Answer:

The answer is 3 feet.

Step-by-step explanation:

First, the height is 7 right. Then take away 1 foot since is said 1 foot more than twice the width. Then divide by 2 meaning twice. Meaning 7-1=6 6/2=3. There you go! Hope these formulas helped!

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3 years ago

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The population of an Asian country is growing at the rate of 0.7% annually. If there were 3,942.000 residents in the city in 199

Anettt [7]

Answer:

b) 4,000,000

Step-by-step explanation:

Let the population is measured since 1995,

Given,

The initial population, P = 3,942,000,

Annual rate of growing, r = 0.7% = 0.007,

If y represents the population after t years

So, the population after t years would be,

$y=Pe^{rt}$

$y=3942000(2.7)^{0.007x}$

Therefore, the population after 5 years,

$y=3942000(2.7)^{0.007\times 5}=3942000(2.7)^{0.035}=4081448.78924\approx 4000000$

Hence, the population in 2000 would be approximately 40,00,000.

Option 'b' is correct.

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3 years ago

Problems 7-15 Simplify each expression. 20 points

Nitella [24]

Answer:

7. k^4

8. m^6

9. 18x^4

10. 35u^8v^4

11. 6561

12. x^6 y^24

13. 16a^6 b^11 c^2

14. -8f^5 g^6 h^5

15. 81p^9 t^10

Step-by-step explanation:

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3 years ago

How many cans did marina purchase

Otrada [13]

Answer:17

Step-by-step explanation:

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3 years ago

- 30 = 12 – 6r<br><br> Pls help

oee [108]

Answer: r = 7

Step-by-step explanation:

Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.

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3 years ago

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