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nevsk [136]
3 years ago
5

I think of a number. If I subtract 9 from it and multiply this difference by 4, the

Mathematics
2 answers:
Zepler [3.9K]3 years ago
4 0

Answer:

41

Step-by-step explanation:

Let n be the number

Subtract 9

n-9

Multiply this by 4

4(n-9)

The result is 128

4(n-9)=128

To find the number divide each side by 4

4(n-9)/4=128/4

n-9 = 32

Add 9 to each side

n-9+9 = 32+9

n = 41

dybincka [34]3 years ago
3 0

Answer:

you were thinking of 41

Step-by-step explanation:

(x-9)*4=128

(x-9)=128/4

(x-9)=32

x=32+9

x=41

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ASHA 777 [7]

The equation of the function is y = 60sin(1/15t) + 70 and it will take 92.45 unit of time to reach 100 feet above the ground

<h3>The equation of the function</h3>

The given parameters are:

  • Amplitude, A = 60 (amplitude is always positive)
  • Vertical shift, D = 70
  • Horizontal shift, C = 0
  • Period, T = π/30

The function is represented as:

y = Asin(Bt + C) + D

Where:

B = 2π/T

So, we have:

B = 2π/π/30

Evaluate

B = 1/15

The equation becomes

y = 60sin(1/15t + 0) + 70

This gives

y = 60sin(1/15t) + 70

<h3>The time to reach 100 feet above the ground</h3>

This means that:

t = 100

So, we have:

y = 60sin(1/15* 100) + 70

Evaluate

y = 92.45

Hence, it will take 92.45 unit of time to reach 100 feet above the ground

Read more about sine functions at:

brainly.com/question/10700288

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5 0
2 years ago
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Romashka [77]

Answer:

m= --4

Step-by-step explanation:

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4 years ago
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otez555 [7]
B is correct 2x2=4x3=12x3=36
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MissTica

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Step-by-step explanation:

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Emily loves baking cookies. She baked some cookies to bring in for her class. Her dog jumped on the counter and ate 6% of the co
sergeinik [125]

Answer:

12.06

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If emily's dog ate 6% of the cookies and theres 12 left

You need to add 6% and 12

That leaves you with a sum of 12.06

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3 years ago
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