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3 years ago

5

Darryl has $5 left in his pocket. He spent $16 on a book, $20 on a compact disc, and $2 on a magazine. How much money did he hav

e at the beginning of the day?

1 answer:

aliya0001 [1]3 years ago

7 0

He had 43 dollars at the beginning of the day

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Andrea has 3 tiles. One is a regular octagon, one is a regular pentagon and one is a regular hexagon. Andrea thinks the 3 tiles

HACTEHA [7]

From calculations, we can say that the given tiles will not fit together perfectly.

<h3>How to find the sum of interior angles of a Polygon?</h3>

If the tiles join perfectly at a point, sum of all angles around the joining point should be 360°.

Expression for the measure of the interior angle of a polygon,

Interior angle of a polygon = [(n - 2) * 180]/n

Interior angle of a pentagon = [(5 - 2) * 180]/5 = 108°

Interior angle of a hexagon = [(6 - 2) * 180]/6 = 120°

Interior angle of an octagon = [(8 - 2) * 180]/8 = 135°

To prove that the given tiles fit together perfectly → Sum of all the angles around the common point should be 360°

Sum of all interior angles = 108° + 120° + 135° = 363°

Therefore, given tiles will not fit together perfectly.

Read more about Interior angles of a Polygon at; brainly.com/question/224658

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4 0

2 years ago

What is the Y intercept of the fraction describing in the table?

Natasha2012 [34]

Answer:

Its 0

Step-by-step explanation:

6 0

3 years ago

The length and width of a rectangular lot are in the ratio 4 to 3. If the perimeter of the lot is 686 yards find the length and

egoroff_w [7]

What is this lmaoooo

5 0

3 years ago

47. What is the 12th term of the geometric sequence?

GrogVix [38]

Answer:

A

Step-by-step explanation:

The rule is 2x.

So 3,6,12,24,48,96,192,384,768,1536,3072,6144,12288,....

The question asked for the 12th term so 6144.

5 0

3 years ago

Read 2 more answers

To find the solutions to an equation of the form ax2+bx+c , use the quadratic equation: x=−b±b2−4ac√2a . What are the two soluti

lidiya [134]

Answer:

1.686

Step-by-step explanation:

Given is an quadratic equation as

$2x^2-x-4=0$

Also we are given the formula for general equation

$ax^2+bx+c$ as

$\frac{-b+/-\sqrt{b^2-4ac} }{2a}$

Here in our equation we have

$a=2\\b=-1\\c=-4$

Hence solution would be

$\frac{1+\sqrt{1+32} }{4} ,\frac{1-\sqrt{1+32} }{4} \\\frac{1+\sqrt{33} }{4} ,\frac{1-\sqrt{33} }{4}$

Greater would be the one with positive square root

$\frac{1+\sqrt{33} }{4} \\=1.6861\\=1.686$

5 0

4 years ago

Read 2 more answers