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Olin [163]
3 years ago
15

The product of 9 and t squared, increased by 3 times the sum of 2 and t squared translate into an algebraic expression

Mathematics
1 answer:
elixir [45]3 years ago
6 0

Algebraic expression for the given statement is

9t^2 + 3(2+t)

Given :

The product of 9 and t squared, increased by 3 times the sum of 2 and t squared

Product means the multiplication

t squared is t^2

The product of 9 and t squared is written as

9 \cdot t^2\\9t^2

lets write the expression for 3 times the sum of 2 and t

3 times (2+t)

3(2+t)

The product of 9 and t squared, increased by 3 times the sum of 2 and t squared .

Algebraic expression is

9t^2 + 3(2+t)

Learn more :  brainly.com/question/15307176

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Find the value of tanθ, if cosθ = 4/5 ; 0° ≤ θ< 90°
Montano1993 [528]

Answer:

  • 3/4

Step-by-step explanation:

<u>Given </u>

  • cosθ = 4/5
  • 0° ≤ θ < 90°

<u>In the first quadrant both sine and cosine are positive, so as tangent.</u>

  • tanθ = sinθ / cosθ =
  • \sqrt{1 - cos^2}θ / cosθ =
  • \sqrt{1 - (4/5)^2} / 4/5 =
  • \sqrt{9/25} / 4/5 =
  • 3/5*5/4 =
  • 3/4
4 0
3 years ago
What’s the inverse equation?
algol [13]

Answer:

The inverse is ((5-x)/4) ^ 1/3

Step-by-step explanation:

y = 5-4x^3

Exchange x and y

x = 5-4y^3

Subtract 5 from each side

x-5 =5-5-4y^3

x-5 = -4y^3

Divide each side by -4

(x-5)/ -4 = y^3

Take the cube root

((x-5)/ -4) ^ 1/3 = y^ 3 ^1/3

((5-x)/4) ^ 1/3 = y

The inverse is ((5-x)/4) ^ 1/3

4 0
3 years ago
Help please if you know this
Oksana_A [137]

Answer:

The awnser is 11

Step-by-step explanation:

I know this is the right answer trust me.

7 0
3 years ago
Which of the following is evaluated to 18-√-25?<br> 1) 5i<br> 2) 18-5i<br> 3) 18+5i<br> 4) 23
xz_007 [3.2K]

Option 2: 18-5i is the right answer

Step-by-step explanation:

Given

18-\sqrt{-25}

When there is a negative number in radical, a new complex number iota denoted by i is introduced which is equal to \sqrt{-1}

So we will solve the given expression

18-\sqrt{-25}\\= 18- (\sqrt{25*-1})\\= 18 - (\sqrt{25} * \sqrt{-1})\\= 18 - (5*i) = >\sqrt{-1} = i\\= 18 - 5i

Hence,

Option 2: 18-5i is the right answer

Keywords: Iota, complex numbers

Learn more about complex numbers at:

  • brainly.com/question/5500978
  • brainly.com/question/550017

#LearnwithBrainly

6 0
4 years ago
GIVING 100 POINTS!!! An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a
slamgirl [31]

Answer:

1035.33 feet

Step-by-step explanation:

OBH is a triangle and the sum of the angles of a triangle = 180

∠OBH = 90°

∠OHB = 180 -(49 + 90) = 41°

The law of sines that the ratio of each side of a triangle to the sin of the angle opposite it is the same

Thus

A/sinα  = B/sinβ = C/sinγ

where A, B and C are the three sides of the triangle and α, β, γ corresponding respectively to the angles opposite them.

Using the law of sines  

\frac{OB}{sin 41}  = \frac{BH}{sin49}

Therefore BH which is the height the helicopter is flying at is

BH = OB \frac{sin49}{sin41}

≈   1035.33 feet

8 0
2 years ago
Read 2 more answers
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