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3 years ago

11

you have a coupon worth $18 off the purchase of a scientific calculator is offered with a discount of 15%, but no futhur discoun

ts may be applied for what tag price on the calculator do you pay the same amount for eavh discount?

1 answer:

taurus [48]3 years ago

4 0

No you pay a different amount

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The width of a rectangle is 3 units less than the length. The area of the rectangle is 4 units. What is the length, in units, of

posledela

The answer is 4
To get the area you gotta multiply the length which is 4 by 1 which is the with 1•4 = 4

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4 years ago

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Which steps can be used to verify that tan(w + Pi) = tan(w)? Rewrite tan(w + Pi) as tan(w) + tan(Pi). Then simplify the expressi

Artist 52 [7]

Answer:

Rewrite tan(w + Pi) using the tangent sum identity. Then simplify the resulting expression using tan(Pi) = 0

Step-by-step explanation:

According to tangent sub identity

Tan(A+B) = TanA+TanB/1-tanAtanB

Applying this in question

Tan(w+Pi) = tan(w)+tan(pi)/1-tan(w)tan(pi)

According to trig identity, tan(pi) = 0

Substitute

Tan(w+Pi) = tan(w)+0/1-tan(w)(0)

Tan(w+Pi) = tan(w)/1

Tan(w+Pi) = tan(w) (proved!)

Hence the correct option is

Rewrite tan(w + Pi) using the tangent sum identity. Then simplify the resulting expression using tan(Pi) = 0

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3 years ago

The only coins that kyle has are dimes and quarters. He has a total of 30 coins. The toal value of Kyles coins is $4.80. Which o

Olenka [21]

For this case, the first thing we must do is define variables.

We have then:

d: number of dimes

q: number of quarters

We now write the system of equations that models the problem.

We have then:

He has a total of 30 coins:

$d + q = 30$

The toal value of Kyles coins is $ 4.80:

$0.1d + 0.25q = 4.80$

Answer:

A system of equations that can be used to find the number of dimes, d, and the number of quarters, q, kyes has is:

$d + q = 30$

$0.1d + 0.25q = 4.80$

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d^4-8d^2+16

(d^2-4d)(d^2-4d)

(d-2)(d+2)(d-2)(d+2)

Option D is correct

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3 years ago

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Do you have options?

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