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VladimirAG [237]
3 years ago
5

HELP PLEASE IM STUCK!!!!!

Mathematics
1 answer:
shusha [124]3 years ago
3 0
Slope of the function is 5000. It seems the question is in the video so rewatch to find what it is representing.
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Verify the identity. sin() tan() = cos() use a reciprocal identity to rewrite the expression in terms of sine and cosine, and th
Andreas93 [3]

The identity Sin(α)/Tan(α) = Cos(α) is valid

Trigonometry is study of triangles. All trigonometric ratios are defined using the sides of the right triangle, such as an adjacent side, opposite side, and hypotenuse side. Three major of them are as follows :-

Sine Function:

sin(θ) = Opposite / Hypotenuse

Cosine Function:

cos(θ) = Adjacent / Hypotenuse

Tangent Function:

tan(θ) = Opposite / Adjacent

Lets prove this identity by proceeding with the LHS

= Sin(α)/Tan(α)

= Sin(α)/ (Sin(α)/Cos(α)) (Tan(α) = Sin(α)/Cos(α))

= Sin(α)xCos(α) / Sin(α)

= Cos(α)

Hence verified

Learn more about Trigonometric Ratios here :

brainly.com/question/13776214

#SPJ4

4 0
2 years ago
Roberto must make his costume for his school play. He needs a piece of fabric that is 2 2/3 yards long and 1 1/2 yards wide. Wha
erik [133]

Answer:

He will need 8.34 yards of fabric.

Step-by-step explanation:

Given that,

The length of the fabric, l = 2 2/3 yards = 8/3 yards

The width of the fabric, b = 1 1/2 yards = 3/2 yards

We need to find the piece of fabric Roberto needs. It is equal to the perimeter of the fabric such that,

P=2(l+b)\\\\P=2(\dfrac{8}{3}+\dfrac{3}{2})\\\\P=2\times \dfrac{25}{6}\\\\P=8.34\ \text{yards}

So, he will need 8.34 yards of fabric.

7 0
3 years ago
How to solve 3 variable systems
AVprozaik [17]
<span>Pick two pairs: 4x - 3y + z = - 10. 2x + y + 3z = 0. ... Eliminate the same variable from each system: 4x - 3y + z = - 10. 2x + y + 3z = 0. ... Solve the system of the two new equations: -5y - 5z = - 10. 5y - 7z = 34. ... Substitute into one of the original equations: - x + 2y - 5z = 17. ... <span>Check: Does 2(1) + 4 + 3(- 2) = 0 ? Yes.</span></span>
4 0
3 years ago
Triangle KLM was dilated according to the rule
MakcuM [25]
The answer is
A. D<span>O, 0.75</span> (x,y) = (0.75x, 0.75y<span>)
B. </span>LM<span> is parallel to </span>L'M'<span>.
and C. </span><span>The vertices of the image are closer to the origin than those of the pre-image.</span>
4 0
3 years ago
Read 2 more answers
Party Supplies Inc. Sells metallic ballons for $2 each and Helium ballons for 3:50 per bunch. Yesterday the sold 36 more metalli
zzz [600]

Answer:

Metallic Balloons = 74

Bunches of Helium Balloons = 38

Step-by-step explanation:

The question basically asks for the number of "metallic balloons" sold and the number of bunches of "helium balloons" sold.

We will do it in our way. Let B be number o metallic balloons and H be number of bunches of Helium balloons.

Since Metallics cost 2 each and Heliums cost 3.5 per bunch and totaled sales is 281, we can write and equation as:

2B + 3.5H = 281

and, since they sold 36 MORE metallic than helium ,we can write an equation as:

B - 36 = H

We can put 2nd equation in 1st one and solve for B first:

2B + 3.5H = 281\\2B + 3.5(B-36) = 281\\2B+3.5B-126=281\\5.5B=407\\B = \frac{407}{5.5}\\B=74

B = 74

Now, we find H:

H = B - 36

H = 74 - 36 = 38

H = 38

3 0
3 years ago
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