MATHEMATICS MIDDLE SCHOOL

This is a function, but I need to explain why can you help me?
(-1, 1), (0, 0), (1, 1), (2, 0)

Answers

Answer 1
Answer: This is a function, because each input only has one output.

y is a function of x because for each input x, there is only one output y.

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Carlo changed 800 euros into dollars for his holiday when the exchange rate was €1=$1.50. his holiday was cancelled he changed all his dollar back into euros and he received €750. find the new exchange rate​

Answers

Answer:

€800 = $1200

New exchange rate =

750/1200 = 1.6

Lisa sale de su casa y recorre su ruta a una velocidad de 1.15m/s, que tentoma llegar a la panadería si recorre la misma distancia?​

Answers

No entiendo española

Determine which relation is a function. A.


Coordinate grid with unlabeled points at negative (two, zero), (negative one, three), (zero, two), (one, negative one), (two, zero), (three, two)

B.


Coordinate grid with unlabeled points at (negative (one, negative one), (negative (one, three), (negative four, three), (negative (two, one), (one, one), (two, negative one)

C.


Coordinate grid with unlabeled points at (negative (two, negative two), (negative two, one), (negative one, three), (zero, one), (two, zero), (two, negative two)

D.


Coordinate grid with unlabeled points at (negative two, one), (negative one, three), (zero, two), (zero, negative one), (one, three), (two, one)

Answers

I believe the answer is A.
The other values have repeated X values.

The diameter of a quarter is about 2.4 cm what is the circumference of a quarter

Answers

The circumference of a quarter is approximately 7.536 cm.

What is Circle?

A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.

The circumference of a circle is given by the formula:

C = πd

where C is the circumference, d is the diameter, and π (pi) is a mathematical constant approximately equal to 3.14.

Substituting the given diameter of a quarter, which is 2.4 cm, into the formula:

C = πd

C = π(2.4 cm)

C = 7.536 cm

Therefore, the circumference of a quarter is approximately 7.536 cm.

To learn more on Circles click:

brainly.com/question/11833983

#SPJ5
circumference = 3.14 (diameter)
3.14 x 2.4 = 7.536

At the end of june Mr kent had a Balance of $375.98 . Since then he has Written Check for $38.56 and made a deposit of $408.00. His Checkbook shows a Balance of $645.42 . Find Mr.Kent Correct Balance

Answers

$745.42 because $375.98 - $38.56 = $337.42. Since Mr. Kent deposited $408.00 into his balance at the bank, $408.00 + $337.42 = $745.42. 
 

What is the largest positive integer value of m such that the equation 3x^2 - mx + 7 = 0 has no real solutions?

Answers

use determinant
in form ax²+bx+c=0
when b²-4ac>0, it has 2 real roots
when b²-4ac=0, it has 1 real root
when b²-4ac<0, it has no real roots
so


we solve for no real roots
b²-4ac<0
a=3
c=7
b=-m

(-m)²-(4)(3)(7)<0
m²-84<0
add 84 both sides
m²<84
sqrt both sides
m<9.1 about
nearest integer
round down
m=9

answer is m=9
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