All categories

3 years ago

2–67 a. And b. I don’t know what she estimated

Mathematics

1 answer:

nirvana33 [79]3 years ago

5 0

A. About $80 ; 53 round down to 50, 67 round up to 70
B. $53 + $67 = 120
200 - 120 = 80
Exactly $80

You might be interested in

Which is true of the measures of the sides of the original square?

Tpy6a [65]

I believe it is this first one but if you get it wrong I am sorry

8 0

3 years ago

Need the answer ASAP

V125BC [204]

Answer:

Approximately 201 squared inches.

Step-by-step explanation:

So, the composite figure is made up of a square and a semi-circle. The square has side lengths of 12 and the semi-circle has a radius of 6.

The total area of the figure would be the area of the square plus the area of the semi-circle. Thus, find the area of each individual figure.

Square:

The area of a square is given by:

$A=l^2$

Where l is the side length.

Substitute 12 for l:

$A=(12)^2\\A=144\text{ in}^2$

So the square is 144 square inches.

Semi-circle:

The area of a semi-circle is given by:

$A=\frac{1}{2}\pi r^2$

Substitute 6 for r and 3.14 for π:

$A=\frac{1}{2}(3.14)(6)^2\\ A=56.52$

Therefore, the total area is:

$TA=144+56.52\\TA=200.52\text{ in}^2\approx201\text{ in}^2$

4 0

4 years ago

A triangle has a priemeter of 65.5 feet. One side of the triangle is 22.7 feet, the second side is 12.9 feet, what isthe length

Alecsey [184]

The last side of the triangle would be 29.9

5 0

4 years ago

What is the sum of the measures of the interior angles of a 12-gon?

sukhopar [10]

Answer:

The answer is 1800!

Step-by-step explanation:

7 0

3 years ago

Help picture below problem 18

avanturin [10]

Answer:

by using pythagoras theorem

${h}^{2} = {p}^{2} + {b }^{2} \\ {28}^{2} = {17}^{2} + {es}^{2} \\ {28}^{2} - {17}^{2} = {es}^{2} \\ {es}^{2} = 495 \\ es = \sqrt{495} \\ es = 3 \sqrt{55}$

7 0

2 years ago