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Ilia_Sergeevich [38]
2 years ago
14

Can someone help me on this maths questions please

Mathematics
1 answer:
VARVARA [1.3K]2 years ago
6 0

Answer:

see explanation

Step-by-step explanation:

Equation 1

y = kx² → B

Equation 2

y = \frac{k}{x^2} → D

Equation 3

y = \frac{k}{x} → C

Equation 4

y = kx → A

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I need help with both questions.
Nikitich [7]

Answer:

15 and 270

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{a} = a

\sqrt[3]{a} × \sqrt[3]{a} × \sqrt[3]{a} = a

(a)

Given

(\sqrt{5} )² × (\sqrt{3} )²

= 5 × 3

= 15

(b)

Given

(\sqrt[3]{9} )³ × (\sqrt{30} )²

= 9 × 30

= 270

4 0
3 years ago
Solve for e.<br> 9e+4=-5e+14+13e9e+4=−5e+14+13e<br> e=
Kitty [74]

Answer:

e = 10

Step-by-step explanation:

9e+4=-5e+14+13e

Combine like terms

9e+4=14+8e

Subtract 8e from both sides

9e-8e+4=8e-8e +14

e +4 = 14

Subtract 4 from each side

e+4-4 = 14-4

e = 10

5 0
3 years ago
Pls help! I will mark brainliest
dolphi86 [110]

Answer:

So the greatest common factor is 3 for sure

Step-by-step explanation:

54x^4y^5z^2

i could be wrong but i am sure that's it

6 0
3 years ago
Consider the polar curve r = 4sin(2θ). What is the length of each petal, and how many petals does the graph have? a The length o
VashaNatasha [74]

Answer:

d The length of each petal is 4, and the number of petals is 4.

Step-by-step explanation:

3 0
2 years ago
What is 20% of $2,500 how much money has it rased
Reptile [31]
2500 * 0.20 = 500 dollars
6 0
3 years ago
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