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Alina [70]
3 years ago
10

27=9•s what does s equal

Mathematics
2 answers:
Andru [333]3 years ago
7 0

Answer:

s=3

Step-by-step explanation:

27=9•s

Divide each side by 9

27/9 = 9s/9

3 =s

ratelena [41]3 years ago
3 0

Answer:3

Step-by-step explanation:

27=9•s

Divide 27/9

S=3

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3 years ago
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Solve the inequaility - x/4 &lt;2
IrinaK [193]

❄ Hi there,

let us start by considering this: What should we do to get x all by itself?

Since it's

  • divided by 4
  • multiplied by -1

we should

  • multiply (both sides) by 4
  • divide (both sides) by -1

So, let's start.

\sf{\dfrac{-x}{4}\times4 < 2\times4}}

\sf{-x < -8}

\sf{x > 8}

When we divide both sides of an inequality by a negative number, we do "the inequality flip" and <em>flip the inequality sign</em>.

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8 0
1 year ago
Find the cosine of angle B.
Alexandra [31]

\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

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9² = 12² + 15² - 2 (12) (15) cos (B)

81 = 144 + 225 - 360 cos(B)

81 = 369 - 360 cos (B)

360 cos (B) = 369 - 81

360 cos (B) = 288

cos (B) = 0.8

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Answer: Cosine B = 0.8

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\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

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12² = 15² + 9² - 2 (15)(9) cos (A)

144 = 225 + 81 - 270 Cos A

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Answer: Cosine Angle A = 3/5

4 0
3 years ago
3. Complete the sentence by choosing the proper option from the given choices.
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Answer:

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Therefore, only one triangle can be produced with the given measure of angles. This implies that there is exactly one triangle. So that the correct option is B.

3 0
3 years ago
Horatio is solving the equation -3/4+2/5x=7/20x-1/2. Which equations represent possible ways to begin solving for x? Check all t
trapecia [35]

Answer:

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Step-by-step explanation:

If you add 3/4 to both sides of the equation, you get ...

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If you subtract 2/5x from both sides of the equation, you get ...

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