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Gnesinka [82]
3 years ago
14

Please help! I will mark as brainliest. <3

Mathematics
2 answers:
pickupchik [31]3 years ago
3 0

Answer:

I think w=6

Step-by-step explanation:

Source: trust me

Sidana [21]3 years ago
3 0

Answer:

6

Step-by-step explanation:

The length of the rectangle is nine feet less than five times the width. This means that L = 5w - 9. The perimeter, or 2w + 2L, is 54. We can substitute L with 5w - 9 to solve the equation for w.

2w + 2(5w - 9) = 54

2w + 10w - 18 = 54

12w = 72

w = 6

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Solve this problem: 125^-1/3×49^-1/2 ​
Andreyy89
I believe the answer is: 1/35

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6 0
3 years ago
Express 52 thousandths in scientific notation
Alexus [3.1K]

Answer:

5.2 x 10^-2

Step-by-step explanation:

Scientific notation is used to simplify very large or very small numbers.

The formula for scientific notation is (a x 10^ n)

(a) is a number that is both greater than 1 and less than 10

(n) is the number of places the decimal place moves. This number can be positive or negative depending on the number you are converting. If the original number is greater than 1 (n) will be positive, and if the number is less than 1 (n) will be negative.

First you should write out the number.

0.052

Then, you should determine the number places the decimal point must move, and create a number greater than 1 and less than 10. (You should also pay attention to the direction the decimal point moves)

For this problem you will move the decimal place 2 places to the right to create the number 5.2.

Last, substitute the values into the formula. For this problem (a)= 5.2 and (n)= -2. This gives us the expression 5.2 x 10^-2.

8 0
3 years ago
Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y = -x + 21 y = -2
irga5000 [103]
C)9,12 that is  the correct answer 

8 0
2 years ago
Read 2 more answers
BRAINLIEST ✨
inna [77]

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, or</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, or</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, or</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.a = 2, d = 2/3.</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.a = 2, d = 2/3.The common ratio of the GP is 3/2. Answer.</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.a = 2, d = 2/3.The common ratio of the GP is 3/2. Answer.Check: (2 + 2/3), (2 + 3*2/3), (2 + 6*2/3)</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.a = 2, d = 2/3.The common ratio of the GP is 3/2. Answer.Check: (2 + 2/3), (2 + 3*2/3), (2 + 6*2/3)= 8/3, 4, 6</em>

<em>Solution: T2 = a+d, T4 =a+3d. T7 = a+6d.In the GP: (a+d)(a+6d) = (a+3d)^2, ora^2+7ad+6d^2 = a^2+6ad+9d^2, orad = 3d^2, ora = 3d.a = 2, d = 2/3.The common ratio of the GP is 3/2. Answer.Check: (2 + 2/3), (2 + 3*2/3), (2 + 6*2/3)= 8/3, 4, 6Common ratio: 4/(8/3) = 3/2 same as 6/4 = 3/2. Correct.</em>

Step-by-step explanation:

Am I right? just commet if I'm wrong

then <em>TANKYOU>^_^<!</em>

7 0
2 years ago
PLEASE HELP NEED TO KNOW IF IM CORRECT WILL REWARD BRAINLIEST ANSWER!
Neporo4naja [7]
X^2=256

x=±√256

x=±16

x=-16 and 16
8 0
3 years ago
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