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Novay_Z [31]
3 years ago
6

ARITHMETIC AND ALGEBRA REVIEW

Mathematics
1 answer:
klio [65]3 years ago
8 0
42 inches of wire will cost 168 cents

Look at the pic to see how to set up the proportion.

You might be interested in
What is the value of R, what is the value of EF
yarga [219]
9r - 6 = 8r + 3
r = 9
EF = 4r + 19 = 4(9) + 19 = 36 + 19 = 55

hope it helps
4 0
2 years ago
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
What is the total when the product of 57 and .22 is added to 7 percent of 57
11111nata11111 [884]
I believe the total is 16.53. First I took 7% of 57 is 3.99. Then multiplying 57 by 0.22 and adding that to 3.99 which is 16.53
6 0
3 years ago
POSSIBLE POINTS 125
Lena [83]

Answer:

$51.36

Step-by-step explanation:

48×7%

5 0
3 years ago
Cycle City charges an initial price of $15 plus $0.75 per hour for bike rentals, which is
Novosadov [1.4K]

Answer:

See Explanation

Step-by-step explanation:

Given

Rentals = 15 + 0.75h

Solving (a): What does h represents

From the instruction in the question, we understand Cycle city charges an additional 0.75 per hour.

This implies that h represents the additional hour of rentals

Solving (b): What does 15 represents

From the instruction in the question, we understand Cycle city charges an a base charge of $15

This implies that 15 represents the base charge

Solving (c): 0.75h

Referring back to (a) where h represents the additional hour of rentals

0.75h represents the total charges for the additional hour

6 0
3 years ago
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