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3 years ago

Which point represents the value of -(-2) on the number line

Mathematics

2 answers:

Nata [24]3 years ago

6 0

Answer:

the answer should be c Point C

Step-by-step explanation:

Anvisha [2.4K]3 years ago

5 0

Answer:

Point C.

Step-by-step explanation:

We are given that a number

-(-2)

We have to find the point that represents the value of -(-2) on the number line

We have a figure in which point A, B,C and D are represented .The point A is represents (-4) , B represents (-2), C represents positive 2 and D represents positive 4.

When we have (-2) and negative sign

It means we have to multiply (-2) with negative sign

We know that when we multiply a negative number with negative sign then the value of a negative number should be positive.

Therefore, When we multiply (-2) and negative sign then we get the value is 2.

-(-2)=2

Therefore, the point C represent the value of -(-2).

Answer : Point C.

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The box plots show the weights, in pounds, of the dogs in two different animal shelters.

zimovet [89]

*see attachment below for the box plots that is being referred to

Answer:

*The median weight for shelter A is greater than that for shelter B

*The data for shelter B are a symmetric data set

Step-by-step explanation:

Let's take each stated option and examine the box plot to see which is TRUE or NOT.

OPTION 1: "The median weight for shelter A is greater than that for shelter B."

The median for shelter A = 21,

Median for shelter B = 18

Median weight for shelter A (21) is greater than that for shelter B.

This statement in this option is TRUE.

OPTION 2: "The median weight for shelter B is greater than that for shelter A."

Median for B (18) < median of A (21)

This statement in option is NOT TRUE.

OPTION 3: "The data for shelter A are a symmetric data set."

This is NOT TRUE because the length of both whiskers are unequal and also, the box is not divided equally. One side is longer than the other.

OPTION 4: "The data for shelter B are a symmetric data set."

This is TRUE because the length of both whiskers are relatively equal, and also, the rectangular box is divided equally.

OPTION 5: "The interquartile range for shelter A is 8"

This is NOT TRUE.

IQR = Q3-Q1

IQR for shelter A is approximately = 28-17 = 11

5 0

3 years ago

Y=2(x+1)^2 has how many real roots

oee [108]

The equation y= 2 $(x+1)^2$ has one real root and that is x=-1.

What is real roots of the equation?

We are aware that when we resolve a linear or quadratic equation, we always arrive at the value variable of the equation, or, to put it another way, we always locate the equation's solution. This "solution" is what we refer to as the real roots. For instance, when the equation $X^2$ -7x+12=0 is solved, the actual roots are 3 and 4.