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serg [7]
3 years ago
12

Kathleen says that quadrilaterals have right angles Gray says that quadrilaterals do not have to have right angles explain who i

s correct
Mathematics
1 answer:
agasfer [191]3 years ago
7 0

Answer:

Step-by-step explanation:

Some quadrilaterals do have right angles persay squares rhombus

but when a rhombus is streached creating acute or obtuse angels it still remains a quadrilateral.

all a quadrilateral means is that the shape has 4 sides 4 vertex

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chelsea takes the bus to school,but she walks home. the bus travels to the school at an average speed of 45 miles per hour. whil
jekas [21]
For this case, the first thing you should know is:
 d: v * t
 Where,
 d: distance
 v: speed
 t: time
 To go to school by bus we have:
 d = 45 * t
 To return from school we have:
 d = 2.5 * (1-t)
 how the distance is the same:45 * t = 2.5 * (1-t)
 Answer:
 the equation that will help find the time it takes chelsea to get to school on the bus is:
 45 * t = 2.5 * (1-t)
 Note: the equation will have one solution. 
4 0
3 years ago
Write four different expressions for the perimeter of a pentagon whose sides are all s-2 units long?
Masteriza [31]

Hey there!

1. 5(s-2) This is because s-2 is the length of each side, and there are 5 sides in a pentagon all of that length, so multiplying it by 5 like this shows its perimeter.

2. 5s-10 This can be found by distributing the first equation, multiplying both s and -2 by 5.

3. (s-2) + (s-2) + (s-2) + (s-2) + (s-2) Each grouping in the parenthesis represents each of the 5 sides, so adding them all together will get you the perimeter.

4. 5(s) + 5(-2) This one is most like the first one, except it's a little more spread out. Multiply the term s by the 5 sides in one grouping, and the integer -2 by 5 in the other.

Hope this helps!

4 0
3 years ago
Which are examples of unit rates?
morpeh [17]
Answers: Choice A and Choice C

Saying "$45 per ticket" is the same as saying "$45 for every single ticket" or "one ticket costs $45"

Similarly, "30 seats for every row" is equivalent to "each row has 30 seats"

-------------

choices B and D aren't unit rates because the second value mentioned isn't 1. You would have to divide to get to a unit rate. 
choice B: 5/3 = 1.67 so there are roughly 1.67 shows every week
choice D: 100/5 = 20 meaning its $20 per ticket
8 0
3 years ago
Read 2 more answers
A zoo has a total of 8 lions and tigers. The number of tigers is one less than twice the number of lions. Write a system of equa
levacccp [35]

C. 2L-1

I think. Check if its right  : )

6 0
2 years ago
Read 2 more answers
Is 11.5 equal to 11.05
azamat

Answer:

false

Step-by-step explanation:

11.05 is approximately 11

11.5 is approximately 12

so there a different, 11.5 is bigger

3 0
3 years ago
Read 2 more answers
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