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Assoli18 [71]
3 years ago
14

Answer plzzzzzzzzzzzzzz

Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Slope-intercept form:  y = mx + b

(m is the slope, b is the y-intercept or the y value when x = 0 --> (0, y) or the point where the line crosses through the y-axis)

To find the slope (m), use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}        And plug in the two points

(3, -8) = (x₁, y₁)

(6, -4) = (x₂, y₂)

m=\frac{-4-(-8)}{6-3}     (two negative signs cancel each other out and become positive)

m=\frac{-4+8}{6-3}

m=\frac{4}{3}       Now that you know the slope, substitute/plug it into the equation

y = mx + b

y=\frac{4}{3} x+b     To find b, plug in either of the points into the equation, then isolate/get the variable "b" by itself. It doesn't matter which. I will use (3, -8)

-8=\frac{4}{3} (3)+b

-8 = 4 + b      Subtract 4 on both sides to get "b" by itself

-12 = b

y=\frac{4}{3}x-12

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2. Find the volume of the cylinder pictured below. Use 3.14 for pi. Give your answer to the nearest tenth. Show your work to rec
Blababa [14]
Question 2

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Formula
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Volume of the cylinder = πr²h

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Find Radius
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Radius = Diameter ÷ 2
Radius = 10 ÷ 2
Radius = 5 ft

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Find Volume
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Volume = πr²h
Volume = 3.14 x 5² x 21
Volume = 1648.5 ft³

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Answer: Volume = 1648.5 ft³
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Question 3

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Formula
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Volume of a sphere = 4/3πr³

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Find Volume
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Volume = 4/3 x 3.14 x 20³
Volume = 33493.3 ft³ (nearest tenth)

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Answer: Volume = 33493.3 ft³ 
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7 0
3 years ago
Plz help I need help
Kamila [148]

Answer:

Sub to XxDuckyxX it has 225

Step-by-step explanation:

5 0
3 years ago
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What is fraction equivalent to 4/4? explain how you know
Helen [10]

Answer:

1, 2/2, 3/3, 5/5, etc.

Step-by-step explanation:

4/4 is a whole number because it's four over four. It can be any number that has the same number on top of it, or one.

I hoped this is what you wanted.

^_^

8 0
3 years ago
Find this shape’s area
natali 33 [55]

Answer:

90ft

Step-by-step explanation:

I draw it out and add a dotted line to make a triangle and rectangle then you find the area of them individually and add the two together.

Rectangle:

6*3=18

Triangle:

Add the 6+6 together to get the height of the triangle and subtract the 3 from the 15 to get the base

(12*12)\frac{1}{2}

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6 0
3 years ago
For questions 1 and 2 graph the exponential function:<br> 1. y=3^x<br> 2. y=2(4.5)^x
Mumz [18]
First, we should know exponential formula, for example exp (LnA) =A, for all A>0, and as for logarythm, LnA^p=pLnA, for all A>0, and for all value of p
so y=3^x=exp[Ln(3^x)]=exp(xLn3), let's search the graph of f(x)=exp(xLn3) f is defined in R, and its teminals limits are 0, and + infinity, f' (x) = Ln3.exp(xLn3), it is positif for all value of x, the function is strictly increasing, f(0)=Ln3, please look at the figure 1
the same method with y=2(4.5)^x, we find y=exp[Ln (2(4.5)^x)]=
exp[Ln (2) +Ln(4.5)^x)], because (LnAB=LnA + LnB), so y=2.exp[Ln(4.5)^x)]=2.exp(x[Ln(4.5)]), which domain is R, nd its teminals limits are 0, and + infinity, f' (x)=2.Ln(4.5) exp(x[Ln(4.5)]), which is positif for all value of x, the function is strictly increasing,and then f(0)=2Ln(4.5)
please look the figure 2

5 0
2 years ago
Read 2 more answers
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