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3 years ago

10

Anton bought a picnic cooler. His total bill, with tax, was $7.95. He paid 6 percent sales tax. How much did he pay for the cool

er alone without the tax?

1 answer:

tester [92]3 years ago

6 0

$7.55 without tax. Hope that helps!

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HELP PRECALC I DO NOT UNDERSTAND AT ALLLLL!!!!!!!!!!!!!!!!!!!!!!

Arlecino [84]

Answer:

φ ≈ 1.19029 radians (≈ 68.2°)

Step-by-step explanation:

There are simple formulas for A and φ in this conversion, but it can be instructive to see how they are derived.

We want to compare ...

y(t) = Asin(ωt +φ)

to

y(t) = Psin(ωt) +Qcos(ωt)

Using trig identities to expand the first equation, we have ...

y(t) = Asin(ωt)cos(φ) +Acos(ωt)sin(φ)

Matching coefficients with the second equation, we have ...

P = Acos(φ)

Q = Asin(φ)

The ratio of these eliminates A and gives a relation for φ:

Q/P = sin(φ)/cos(φ)

Q/P = tan(φ)

φ = arctan(Q/P) . . . . taking quadrant into account

__

We can also use our equations for P and Q to find A:

P² +Q² = (Acos(φ))² +(Asin(φ))² = A²(cos(φ)² +sin(φ)²) = A²

A = √(P² +Q²)

_____

Here, we want φ.

φ = arctan(Q/P) = arctan(5/2)

φ ≈ 1.19029 . . . radians

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Which statement is NOT supported by the table

Greeley [361]

I believe the answer is A. I’m sorry if this is incorrect.

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Solve for w<br> S=2(lw +lh+wh)

Maksim231197 [3]

<span>Solve for w
S=2(lw +lh+wh)

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Alg 1 solving equations<br> -12(-4 + p) = -48

Vilka [71]

Answer:

$p=8$

Step-by-step explanation:

$-12\left(-4+p\right)=-48$

<u>Divide both sides by -12:-</u>

<u /> $\frac{-12\left(-4+p\right)}{-12}=\frac{-48}{-12}$

$-4+p=4$

<u>Add 4 to both sides:-</u>

<u></u> $-4+p+4=4+4$

$p=8$

OPEACEO ^^

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