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steposvetlana [31]
3 years ago
13

F(n)=2n+3 Find f(-10)

Mathematics
1 answer:
Hunter-Best [27]3 years ago
3 0

<em>Greetings from Brasil...</em>

Just replace the N of the function F(N) with the requested value - 10:

F(N) = 2N + 3

F(- 10) = 2 · (- 10) + 3    <em>now N has been replaced by - 10</em>

F(- 10) = - 20 + 3

<h2>F(- 10) = - 17</h2>

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Alex17521 [72]

Answer:

-4,-3,-2,-1,0,1

Step-by-step explanation:

First, doublepound and simplify it.

-15<3n

3n<6

Solve:

-5<n

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Compound:

-5<n<2.

So the values are -4,-3,-2,-1,0,1

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20% of 250 people are french.

0.2 * 250 = 50 people. Hope this helps!
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Find the solution to the equation shown below.<br><br> –3.4(x – 2) = 9.8 – 4x
Naddika [18.5K]

Answer:

X= 5

Explanation (Steps):

<u>Step 1: Simplify both sides of the equation.</u>

−3.4(x−2)=9.8−4x

(−3.4)(x)+(−3.4)(−2)=9.8+−4x(Distribute)

−3.4x+6.8=9.8+−4x

−3.4x+6.8=−4x+9.8

<u>Step 2: Add 4x to both sides.</u>

−3.4x+6.8+4x=−4x+9.8+4x

0.6x+6.8=9.8

<u>Step 3: Subtract 6.8 from both sides.</u>

0.6x+6.8−6.8=9.8−6.8

0.6x=3

<u>Step 4: Divide both sides by 0.6.</u>

0.6x0.6=3/0.6

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3 years ago
The two men measure the angle of elevation to the highest point on the rock to be 22.6°. They
IgorC [24]

Answer:

  • 15 m

Step-by-step explanation:

<em>Refer to attached picture</em>

  • The height  = h
  • Angles of elevation 22.6° and 38.3°
  • Closer distance  = d

<u>Use tangent to solve</u>

  • tan 22.6° = h/(d + 17) ⇒ h = (d + 17) tan 22.6° ⇒ h = 0.42(d + 17)
  • tan 38.3° = h/d          ⇒ h = d tan 38.3°           ⇒ h = 0.79d

<u>Compare the equations above and find the value of d:</u>

  • 0.42(d + 17) = 0.79d
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  • 0.79d - 0.42d = 7.14
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<u>Now find the value of h:</u>

  • h = 0.79d
  • h = 0.79*19.3
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The sum of the interior angles of a hexagon is equal to the sum of six consecutive integers. What is the measure of the smallest
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