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Dennis_Churaev [7]
3 years ago
5

-11=-7/y PLSSSS HELPPP

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
4 0

Answer:

7/11

Step-by-step explanation:

- 11 =  \frac{ - 7}{y}

=  >  - 11y =  - 7

=  > y =  \frac{ - 7}{ - 11}

=  > y =  \frac{7}{11} (ans)

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Please help me if you can. please show how you got the answer.
fomenos

Answer:

Step-by-step explanation:

The area of a circle is A = πr², where r is the radius. That means in order to solve this we have to find the value of x, which is the diameter of the lake, and then divide it in half to get the radius. To find x we will use similar triangles and proportions. x is the height of the big triangle and 4.5 is the height of the smaller triangle; 15.3 + 7.4 is the hypotenuse of the big triangle and 7.4 is the hypotenuse of the smaller triangle. Setting up our proportion:

\frac{x}{4.5}=\frac{15.3+7.4}{7.4} which simplifies a bit to

\frac{x}{4.5}=\frac{22.7}{7.4} and cross multiply to solve for x:

7.4x = 102.15 so

x = 13.8  That is the diameter of the lake. Divide it in half to get 6.9, the radius. Applying the area formula for a circle:

A = (3.14)(6.9)² and

A = 3.14(47.61) so

A = 149.5 which rounds to 150, Choice C

5 0
3 years ago
What is the solution of the equation 9^2x=6? Round your answer to the nearest ten-thousandth.
sammy [17]

Answer:

0.4077

Step-by-step explanation:

It's important to use parenthesis to avoid confusion.

9^(2x) = 6

Use exponent properties:

(9^2)^x = 6

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Take log of both sides

ln(81^x) = ln(6)

Use log properties:

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Solve for x:

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4 0
2 years ago
Income tax paid to the federal government is based on your _______________.
Kryger [21]

Answer: C final income

Step-by-step explanation: I might be wrong but im pretty sure that its C.

Good Luck!

3 0
3 years ago
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Ill GIVE BRAINELST AND EXTRA POINTS​
wolverine [178]

Answer:

I believe the answer is (-7.4) Not really great at math either

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the gcf of 9 and 36
soldier1979 [14.2K]
Factors of 9: 1; 3; 9
Factors of 36: 1; 2; 3; 4; 6; 9; 12; 18; 36

GCF(9; 36) = 9
4 0
3 years ago
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