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3 years ago

11

you have 20$ to spend on taxi fare. the ride costs 5$ plus 2.50$ per mile what is the maximum whole number of miss you can ride

for 20$

1 answer:

NARA [144]3 years ago

5 0

You can go 6 miles with 20$

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The value of the correlation coefficient is always in the range<br> a. 0 to 1 b. 1 to 1 c. 1 to 0

dlinn [17]

Answer:

-1 to 1

Step-by-step explanation:

The correlation Coefficient gives the degree of relationship between two variables while also giving an hint about the type of relationship between them, (positive or negative). Correlation Coefficient could take any value bwuqwen - 1 and 1. With values closer to - 1 or 1 indicating a strong relationship between the variables, Coefficient of 0 means no relationship and a negative value means negative relationship while a positive value plies a positive relationship.

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Determine the equation for the quadratic relationship graphed below.

kap26 [50]

Answer:

$\large \boxed{\sf \bf \ \ y=3x^2-6x-1 \ \ }$

Step-by-step explanation:

Hello, please consider the following.

We can read from the graph that the vertex is (1,-4) , it means that the equation is, a being a real number.

$y=a(x-1)^2-4$

And the point (0,-1) is on the graph so we can write.

$a\cdot 1^2-4=-1 \\\\a-4+4=-1+4\\\\a = 3$

So the equation is.

$y=3(x-1)^2-4\\\\=3(x^2-2x+1)-4\\\\=3x^2-6x+3-4\\\\=3x^2-6x-1\\\\=\boxed{3}x^2\boxed{-6}x\boxed{-1}$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

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3 years ago

• Write an expression for the perimeter of a

Ksenya-84 [330]

Answer:

10 (X+1)

Step-by-step explanation:

Length = 2x + 5

Width = 3x

Perimeter of rectangle= 2(L + W)

P= $2\times (2x+5+3x)$

P= $2\times (5x+ 5)$

Now, taking 5 as common

P= $2\times 5 (x + 1)$

∴ Perimeter of rectangle= $10\times (x+1)$

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What is the measure of the highlighted angle

IgorLugansk [536]

Angle on a straight line sums up to 180
so
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2x = 180-72-130
2x =-22
x= -11

so Angle on the LHS is 61°
while angle on the RHS is 119°

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3 years ago

A cylinder has a volume of 321.536 cubic centimeters. The diameter of the cylinder is 8 cm. What is the height of the cylinder?

xeze [42]

Answer:

I think maybe 6 inches!

Step-by-step explanation:

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3 years ago