3 years ago

Mr. Hoagie's Sandwich Shop charges a 9% delivery fee on all orders. If your food costs $27.50,

Mathematics

1 answer:

zhenek [66]3 years ago

6 0

Answer:

27.50/100 X 109 = 29.975

$29.98

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What is the ratio of 48 divided by 5:7

Rufina [12.5K]

I'll show you how I do it,hope you'll like it.
5:7, 5+7=12

5/12×48 =20
7/12×48=28

answer= 5:7
= 20:28
hope it helps.....

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3 years ago

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stepladder [879]

Answer:

64x³+4

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Step-by-step explanation:

I hope this helps. :)

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3 years ago

Look at the triangle show on the right. The Pythagorean Theorem states that the sum of the squares of the legs of a right triang

Vladimir [108]

Answer:

$cos^2\theta + sin^2\theta = 1$

Step-by-step explanation:

Given

$(\frac{b}{r})^2 + (\frac{a}{r})^2$

Required

Use the expression to prove a trigonometry identity

The given expression is not complete until it is written as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = (\frac{r}{r})^2$

Going by the Pythagoras theorem, we can assume the following.

a = Opposite
b = Adjacent
r = Hypothenuse

So, we have:

$Sin\theta = \frac{a}{r}$

$Cos\theta = \frac{b}{r}$

Having said that:

The expression can be further simplified as:

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$

Substitute values for sin and cos

$(\frac{b}{r})^2 + (\frac{a}{r})^2 = 1$ becomes

$cos^2\theta + sin^2\theta = 1$

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4 years ago

To eliminate the x-terms and solve for y in the fewest steps, by which constants should the equations be multiplied

vitfil [10]

Answer: I believe this is the answer.

$6x-5y=17\\7x+3y=11$

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7 and -6

-7 and 6

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3 years ago