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3 years ago

(50points!!please help!)

Mathematics

2 answers:

Setler79 [48]3 years ago

8 0

Answer:

21.16

Step-by-step explanation:

First find the tax

16.40 * 9%

16.40 *.09 = 1.476 = 1.48

Then we need to find the tip

16.40 *20%

16.40 *.20 = 3.28

The total is the bill plus tax plus tip

16.40 + 1.48 + 3.28

21.16

dem82 [27]3 years ago

7 0

Answer:

im answering so you can give them brainliest

Step-by-step explanation:

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Can I get some help on this math problem

pogonyaev

Answer:

$x=3\sqrt{5}$

Step-by-step explanation:

<u>Right Triangles</u>

Right triangles have one of its interior angles with a measure of 90°.

In right triangles the Pythagora's Theorem is satisfied.

Being c the longest side (hypotenuse), a and b the shorter sides (the legs), then:

$c^2=a^2+b^2$

We have modified the image to include some known data. Both triangles are congruent since they share one side, have a right angle, and have the same base length.

This means the value of x can be calculated as the hypotenuse of the triangle 3-6-x:

$x^2=3^2+6^2=9+36=45$

$x=\sqrt{45}=\sqrt{9*5}$

$\boxed{x=3\sqrt{5}}$

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3 years ago

Evarado paid $1.12 for a dozen eggs at his local grocery store. Determine the cost of 3 eggs

Anton [14]

First you have to find out the cost for a single egg.

Since there are a dozen (12) eggs, you can divide the total cost by that.
1.12/12 ≈ 0.09.

Using the base cost of an egg, you can find out how much 3 eggs would cost.

0.09 x 3 = $0.27

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3 years ago

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Lola needs to buy apples for her bakery as they are having a pie competition!

Crank

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The range for the given domain of the function f(x) =3x-6/x+4.5 is what

Drupady [299]

Try to use mathway its very helpful

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