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Nezavi [6.7K]
3 years ago
12

Someone help me solve this difficult question

Mathematics
1 answer:
ser-zykov [4K]3 years ago
8 0

It would alter the h intercept and the maximum value of h as well as the t intercept

Choice K

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The volume of a pyramid that fits exactly inside a cube is 49 cubic feet. what is the volume of the cube?
8090 [49]
The volume of a pyramid is 1/3 the volume of the cube mentioned in the question since it fits exactly inside it. So multiply 49*3 = 147 cubic feet
6 0
3 years ago
Read 2 more answers
Given that tan θ ≈ −0.087, where 3 2 π < θ < 2 , π find the values of sin θ and cos θ.
elena-s [515]

Answer:

  • sin θ ≈ -0.08667
  • cos θ ≈ 0.99624

Step-by-step explanation:

Straightforward use of the inverse tangent function of a calculator will tell you θ ≈ -0.08678 radians. This is an angle in the 4th quadrant, where your restriction on θ places it. (To comply with the restriction, you would need to consider the angle value to be 2π-0.08678 radians. The trig values for this angle are the same as the trig values for -0.08678 radians.)

Likewise, straightforward use of the calculator to find the other function values gives ...

  sin(-0.08678 radians) ≈ -0.08667

  cos(-0.08678 radians) ≈ 0.99624

_____

<em>Note on inverse tangent</em>

Depending on the mode setting of your calculator, the arctan or tan⁻¹ function may give you a value in degrees, not radians. That doesn't matter for this problem. sin(arctan(-0.087)) is the same whether the angle is degrees or radians, as long as you don't change the mode in the middle of the computation.

We have shown radians in the above answer because the restriction on the angle is written in terms of radians.

_____

<em>Alternate solution</em>

The relationship between tan and sin and cos in the 4th quadrant is ...

  \cos{\theta}=\dfrac{1}{\sqrt{1+\tan^2{\theta}}}\\\\\sin{\theta}=\dfrac{\tan{\theta}}{\sqrt{1+\tan^2{\theta}}}

That is, the cosine is positive, and the sign of the sine matches that of the tangent.

This more complicated computation gives the same result as above.

4 0
3 years ago
6+3.245<br><br> Find the sum
Effectus [21]

Answer:

9.245

Step-by-step explanation:

6 + 3.245 = 9.245

4 0
3 years ago
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A mail courier charges a base fee of $6.95 plus $7.60 per package being delivered. If x represents the number of packages delive
castortr0y [4]
Since 7.6 is the cost per package, and x represents the number of packages, the expression 7.6x would represent the cost for the packages. Once we add the base fee, we get the equation:

y = 7.6x + 6.95

Hope this helps.
5 0
2 years ago
F(7)=2x-3 ?<br><br> please ?
Nesterboy [21]

Answer:13

Step-by-step explanation:

2(7)-3

6 0
3 years ago
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