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Karolina [17]
4 years ago
12

A textbook store sold a combined total of

Mathematics
1 answer:
omeli [17]4 years ago
8 0
M+p=475
m=p-61
replace m in equation 1 with p-61: p-61+p=475
2p=475+61=536
p=268
m=207
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6 inch pizza has 570 calories how many calories in a 14 inch pizza
ki77a [65]

First, let's find the amount of calories in a 1 inch pizza:

570/6=95

Knowing this, we just multiply the calorie count of a one inch pizza by 14 to find the calorie count of a 14 inch pizza:

14*95=1330

There are 1330 calories in a 14 inch pizza.

3 0
3 years ago
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The base of a ladder is 25 meters due west of a burning building. If the angle of elevation of the ladder is 51°, how long is th
Andru [333]
Distance from the building where the fireman is standing = 25 m due yo the west pointed  angle of elevation of the ladder = 51 degrees You then aquire the length of the ladder equals... 
x ThenCos 51 degree = 25/x0.6293
= 25/xx = 25/0.6293   = 39.72 meters≈40 meters from the above deduction, so the correct answer is D, because it is the closest, and that it is correct.
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3 years ago
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MARKIN BRAINIEST ANSWER!!!!<br>(btw slide 3 is the answers you might need to solve this)
TiliK225 [7]

Answer:

Step-by-step explanation:

I assume you need help with the first picture:

Let x=\frac{a}{b} \\y=\frac{c}{d}

Then

x+y=\frac{a}{b} +\frac{c}{d} =\frac{ad}{bd} +\frac{bc}{bd} =\frac{ad+bc}{bd} , b,d\neq 0

Clearly you can see that the sum of 2 rational numbers gives a rational number.

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How many integers satisfy each inequality? <br>-102
olga55 [171]

Answer:At integers -2 and -3 the value of the equation is zero, hence satisfies the inequality. So overall 4 integers satisfy the inequality.

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Step-by-step explanation:

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3 years ago
The point-slope form of the equation of a line that passes through points (8, 4) and (0, 2) is y – 4 = (x – 8). What is the slop
Elenna [48]
The slope-intercept formula can be written as follows:

y = mx + b

The variable "m" represents the slope of the line, while "b" represents the y-intercept. We'll start with the y-intercept.

We know that the y-intercept can be defined as the value of "y" when "x" is equal to zero. To do this, we will need to find point (0,y). The original problem gives us two points, one of which is (0,2). Because "x" is equal to zero, we know that the y-intercept is 2. Substitute this value into the slope-intercept formula:

y = mx + 2

Now we need to find the slope. Slope can be defined as the "rise" of the line over the "run" of the line. In other words, calculate the change in y-value over the change in x-value. To do this, we will use the "x" and "y" values of the two points given in the problem.

Starting with the y-values (rise), we have 2 and 4. The difference between these two values is 2. Moving on to the x-values (run), we have 0 and 8. The difference between these two values is 8. Now put rise over run and substitute this value into the slope-intercept formula:

y = (2/8)x + 2

Now simplify the right side of the equation:

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We now have a complete slope-intercept formula of the line.

I hope this helps!
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