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ExtremeBDS [4]
2 years ago
8

Problems 7-15 Simplify each expression. 20 points

Mathematics
1 answer:
Nitella [24]2 years ago
7 0

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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WILL GIVE BRAINLIEST PLEASE ANSWER If a circle is dilated by 5/3 and the area of the larger circle is 100pi square cm, then what
Simora [160]

Answer:

We have a small circle, that is dilated by a factor of 5/3 creating a larger circle.

If the smaller circle has a diameter D, then after the dilation, the larger circle will have a diameter equal to: (5/3)*D

We know that the area of the larger circle is:

A = 100*pi cm^2.

And the area of a circle of diameter d, is:

a = pi*(d/2)^2

knowing that the diameter of the large circle is (5/3)*D, we can find the value of D.

A = pi*( (5/3)*D/2)^2 = 100*pi cm^2

let's solve this for D:

pi*( (5/3)*D/2)^2 = 100*pi cm^2

( (5/3)*D/2)^2 = 100 cm^2

( (5/3)*D/2) = √(100 cm^2) = 10cm

D/2 = (3/5)*10cm

D = 2*(3/5)*10cm = 12cm.

Then the area of the smaller circle will be:

a = pi*(D/2)^2 = pi*(12cm/2)^2 = pi*(6cm)^2 = pi*36 cm^2

and pi = 3.14

a = pi*36 cm^2 = 3.14*36cm^2 = 113.04 cm^2

7 0
2 years ago
Laina ordered six pizzas for her slumber party. This picture shows how much was left of each pizza the next morning. What
tensa zangetsu [6.8K]

Answer:

theres no picture therefore there is no answer to the question

8 0
2 years ago
ABCD is a trapezium find out the length
Lina20 [59]

Answer:

27.6

Step-by-step explanation:

brainly.com/question/12181840

credit to Calculista

4 0
3 years ago
Write the first five terms of the sequence defined by the explicit formula an=-4n(n-1)
vladimir2022 [97]

The explicit formula of the sequence is given by a_n = -4n(n-1).

We have to find the first five terms of the sequence.

The first term:

\begin{gathered} a_1=-4\times(1)(1-1) \\ =-4(0) \\ =0 \end{gathered}

The second term:

\begin{gathered} a_2=-4(2)(2-1) \\ =-8(1) \\ =-8 \end{gathered}

The third sum:

\begin{gathered} a_3=-4(3)(3-1) \\ =-12(2) \\ =-24 \end{gathered}

The fourth term:

\begin{gathered} a_4=-4(4)(4-1) \\ =-16(3) \\ =-48 \end{gathered}

The fifth term:

\begin{gathered} a_5=-4(5)(5-1) \\ =-20(4) \\ =-80 \end{gathered}

Thus, option D is correct.

7 0
8 months ago
Paint costs 24.99$ a gallon. How much paint can he buy if he has 90$, how many gallons can he buy? Round answer to nearest tenth
Molodets [167]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
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