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defon
3 years ago
11

PLEASE HELP ME FOR 10 PTS

Mathematics
2 answers:
alex41 [277]3 years ago
5 0
1. 49 * 0.06 = $2.94

He paid $2.94 in sales tax.

2. 20 * 0.06 = $1.20, $1.20 + $20.00 = $21.20

He paid $21.20 total for the basketball (including sales tax).

 


Rina8888 [55]3 years ago
3 0
1.Zachariah paid $51.94
2. Sam paid 21.20
Im not sure tho.
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Bob drew a line he thought was close to many of the points and found the equation of the line. He used the points (165, 168) and
ioda

We will see that the linear equation is:

y = 1.1*x  -13.5

b) The predicted height is 164.7cm

<h3>How to get the linear equation?</h3>

A general linear equation is:

y = a*x + b

Where a is the slope and b is the y-intercept.

If we know that the line passes through (x₁, y₁) and (x₂, y₂), then we can write the slope as:

a = (y₂ - y₁)/(x₂ - x₁)

In this case, the line passes through (165, 168) and (174, 178), then the slope is:

a = (178 - 168)/(174 - 165) = 10/9 = 1.1

Then the line is:

y = 1.1*x + b

To get the value of b, we use one of the given points, for example if we use the first one (165, 168) we must have x = 165 and y = 168, replacing that we get:

168 = 1.1*165 + b

168 -  1.1*165  = b = -13.5

The equation is:

y = 1.1*x  -13.5

Now we want to find the height of a person with an arm span of 162cm, then we replace x by 162 to get:

y = 1.1*162 -13.5 = 164.7

The predicted height is 164.7cm

If you want to learn more about linear equations, you can read:

brainly.com/question/1884491

8 0
2 years ago
What are all the names that apply to 1/8 Irrational,Integer,Whole,Real, Or irrational
inessss [21]

Answer:

  1. Rational Number
  2. Real numbers

Step-by-step explanation:

6 0
3 years ago
This is my math assignment can someone pls help..... u can pick more than one
hoa [83]
I believe it might be “b” however im nor sure
3 0
3 years ago
What is the value of M? 14 2m = 4m -16 Please help!
astra-53 [7]
16-4=12
4+12=16
I think this right.
4 0
3 years ago
|0.375|+|-5/8| What is the answer
zheka24 [161]
-5/8 = -.625
so .375 + -.625 = -.25

6 0
3 years ago
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