2 years ago

A certain pizza box holds a 14-inch diameter pizza. If the box is 2 inches high, what is its surface area?

Mathematics

1 answer:

MakcuM [25]2 years ago

7 0

Answer:

Step-by-step explanation:

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Describe and correct the error in writing an equation of the line shown

Rudiy27

Answer:

$y = -\frac{3}{5}x+4$

Step-by-step explanation:

Given:

$(x_1,y_1) = (0,4)$

$(x_2,y_2) = (5,1)$

The attachment completes the question

From the attachment, the slope of the line was calculated as:

$m = \frac{1-4}{0-5}$

This step is inaccurate because the slope of a line is calculated using

$m = \frac{y_2-y_1}{x_2-x_1}$

Which gives

$m = \frac{1-4}{5-0}$

$m = \frac{-3}{5}$

$m = -\frac{3}{5}$

The line equation is then calculated using:

$y -y_1 = m(x - x_1)$

Substitute values for m, x1 and y1

$y - 4 = -\frac{3}{5}(x - 0)$

$y - 4 = -\frac{3}{5}(x)$

Open bracket

$y - 4 = -\frac{3}{5}x$

Make y the subject

$y = -\frac{3}{5}x+4$

6 0

2 years ago

explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value. Which property of addition states

brilliants [131]

They are able to have the same value as the negative sign is simply transferred to the inside. Either way 4 is being subtracted from 3.

5 0

2 years ago

If you have 2 linear equations and you want to find where they have the same x- and y- value on a graph you look for the

marin [14]

Answer:

Intersection of the two lines.

4 0

2 years ago

The ratio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers, how many boy

kupik [55]

8x - amount of boys
7x- amount of girls

8x + 7x = 195

15x= 195 ( divide by 15)

x= 13

8x = 8 x 13 = 104

7x = 7 x 13= 91

there are 104 boys, and 91 girls.

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2 years ago

Find the value of x needed to make the equation True. 3/4(20x-8)-3=54

olasank [31]

Answer:

The answer is option B, x = 4.2

6 0

2 years ago