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kap26 [50]
3 years ago
8

Explain whether the following statement is a valid definition: “A square is a figure with four right angles.” Use the converse,

biconditional, and at least one Euler diagram to support your answer.
Mathematics
1 answer:
denpristay [2]3 years ago
8 0
The statement is correct because if you were to take a protractor to each corner, it will measure exactly 90°
You might be interested in
Shape A and Shape B are each made from 5 identical squares.
Morgarella [4.7K]

Answer:

Perimeter of shape B = 50 cm

Step-by-step explanation:

Perimeter of shape A = 60 cm

Let the length of each square = x cm

Total length of free boundaries of shape A = 12x

Therefore, 12x = 60

x = 5 cm

Now length surfaces of shape B = 10x

Perimeter of shape B = 10x

                                    = 10(5)

                                    = 50 cm

4 0
3 years ago
Selena is planning a birthday party for her little sister at a local zoo. The price depends on the number of children that atten
pentagon [3]

Answer:

WHY TO A ZOO

Step-by-step explanation:

1. zoos keep animals in captivity when they shouldnt be

2. the animals didnt just walk up to a zoo and was like oh yea imma stay there they were forced to be in there

4 0
2 years ago
If every pair of consecutive angles of a quadrilateral are supplementary, then the quadrilateral must be parallelogram? True or
vredina [299]
Hey br here is yr answer
its true

6 0
3 years ago
Read 2 more answers
I BEG OF YOU HELPPPP Twice last​ month, Judy Carter rented a car in​ Fresno, California, and traveled around the Southwest on bu
sineoko [7]

Answer:

the daily fee =33 dollars

and the mileage charge.=0.35

Step-by-step explanation:

let d: be daily fee and m for mileage

cost of rental =(d*number of days)+ (m*number of mileage)

her first trip: 4d+440m=286

her second trip: 3d+190m=165.5

solve by addition and elimination

4d+440m=286 ⇒ multiply by 3 ⇒12d +1320m=(3)286

3d+190m=165.5⇒ multiply by 4⇒12d+190(4)m=4(165.5)

12d+1320m=858

12d+760m=662

subtract two equation to eliminate d

12d+1320m-12d-760m=858-662

560m=196

m=7/20=0.35 for on mileage

d: 4d+440m=286

4d=286-440(0.35)

d=(286-154)/4 33 dollars

8 0
4 years ago
What is the value of h(a) when a = 2 in the
Ivahew [28]
<h3>Answer:   3</h3>

=========================================================

Explanation:

This is the given piecewise function

h(a) = \begin{cases}3a+2 \text{ when } a > 3\\4a+5 \text{ when } a = 3\\3 \text{ when } a < 3\\\end{cases}

We can rewrite things like this

\text{when } a > 3, \ \  h(a) = 3a+2\\\text{when } a = 3, \ \  h(a) = 4a+5\\\text{when }a < 3, \ \  h(a) = 3\\

I personally prefer this format better because it mentions the inputs first, and that leads to which function definition we go for.

The input a = 2 fits the description of a < 3 since 2 < 3 is a true statement. Therefore we go for the third line and can see that h(a) = 3 becomes h(2) = 3

-----------

As another example, if we had the input a = 7, then we'd go for the first line (since 7 > 3) and get

h(a) = 3a+2

h(7) = 3(7)+2

h(7) = 23

4 0
2 years ago
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