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4 years ago

Need help please!forgot how to do this

Mathematics

2 answers:

asambeis [7]4 years ago

7 0

The diameter is double the radius so 5x2=10

Veronika [31]4 years ago

3 0

It should be 10mm bc the diameter is all the way across

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The profit of a cell-phone manufacturer is found by the function y = -2x^2 + 108x + 75 , where x is the cost of the cell phone.

vodomira [7]

Maximum price is 1

Put 1 in equation

$\\ \rm\hookrightarrow y=-2(1)^2+108(1)+75$

$\\ \rm\hookrightarrow y=-2+183$

$\\ \rm\hookrightarrow y=181$

3 0

2 years ago

Shayla is tracking the weight of the smallest puppy in a litter. Use the table to write a linear function that models the puppy'

Pani-rosa [81]

Answer:

y=3x+3

Step-by-step explanation:

Lets say that week weight in ounces is 'y' variable, and the week number is 'x' variable

Lets also remember the equation for a line, y=mx+b, where m is the slope and b is an offset (the value the function has when x=0), the slope is obtained from equation (y2-y1) / (x2-x1)

The selected points will be (1,6) as Point 2 and (0,3) as Point 1. We have m=3

And from the point 1 we can also obtain the value for b.

So y=3x+3

8 0

4 years ago

14/54=21/m what is the number for m?

Zolol [24]

Answer:

m=81

Step-by-step explanation:

14 x 1.5 = 21

54 x 1.5 = 81

3 0

3 years ago

Read 2 more answers

What is an equation in point-slope form for the line that passes through the points (-3,5) and (2, -3)?

zloy xaker [14]

Answer:

y - 5 = -8/7(x + 3)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

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

Point-Slope Form: y - y₁ = m(x - x₁)

x₁ - x coordinate
y₁ - y coordinate
m - slope

Step-by-step explanation:

Step 1: Define

Point (-3, 5)

Point (2, -3)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute [SF]: $m=\frac{-3-5}{2+5}$
Subtract/Add: $m=\frac{-8}{7}$

Step 3: Write Equation

Plug in variables into the general form.

y - 5 = -8/7(x + 3)

y + 3 = -8/7(x - 2)

3 0

3 years ago

The highest point in the United States is Mount McKinley in Alaska. Its summit is 20,335 feet above sea level. Badwater, a basin

miss Akunina [59]

Answer:

20,053

Step-by-step explanation:

20,335 - 282 = 20,053

5 0

3 years ago

Read 2 more answers

Need help please!forgot how to do this​

Need help please!forgot how to do this