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jonny [76]
3 years ago
14

NEED HELP with these two pages please help me (30 points)

Mathematics
1 answer:
katovenus [111]3 years ago
4 0

Answer:

1. B

2. E

3. D

4. B

5. C

6. B

7. E

8. D

9. D

10.D

11. E

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3(-x -5) i need help on this.
den301095 [7]

Answer:

-3x-15

Step-by-step explanation:

you use the distributive property. So it would be 3 times -x and 3 times -5 so you get -3x-15.

5 0
2 years ago
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Use the formula to evaluate the series 1/4 + 1/9 + 1/27 + 1/81.
Dmitriy789 [7]
Is the first term supposed to be 1/4, or did you actually mean 1/3?

I'll assume the latter. Write

S=\dfrac13+\dfrac19+\dfrac1{27}+\dfrac1{81}
S=\dfrac13+\dfrac1{3^2}+\dfrac1{3^3}+\dfrac1{3^4}
\dfrac13S=\dfrac1{3^2}+\dfrac1{3^3}+\dfrac1{3^4}+\dfrac1{3^5}
\implies S-\dfrac13S=\dfrac13-\dfrac1{3^5}
\dfrac23S=\dfrac13\left(1-\dfrac1{3^4}\right)
S=\dfrac12\left(1-\dfrac1{81}\right)
S=\dfrac{40}{81}
8 0
3 years ago
A(n) ______ is a letter or symbol that represents some unknown value.
Nuetrik [128]
The answer is "variable"

4 0
3 years ago
the radius of a cylindrical water tank is 6.5ft, and its height is 16ft what is the volume of the tank?​
dimulka [17.4K]

Answer:

Volume of cylindrical tank is 2122.64 cubed feet.

Step-by-step explanation:

It is given that:

Radius of cylindrical tank = 6.5 feet

Height of tank = 16 feet

Volume of tank = πr²h

Putting the values in the formula

Volume = 3.24 * (6.5)² * 16

Volume = 3.14 * 42.45 * 16

Volume = 2122.64 cubed feet.

Therefore,

Volume of cylindrical tank is 2122.64 cubed feet.

4 0
2 years ago
What distance will a car traveling at a speed of 30m/s cover in 60 s?
AnnZ [28]

Answer:

1800 m/s if I'm not mistaken! :))

Step-by-step explanation:

6 0
3 years ago
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