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4 years ago

If a polygon is a square, then it is a rectangle. True or false

Mathematics

2 answers:

nalin [4]3 years ago

8 0

The answer is TRUE :) hope this helps

LekaFEV [45]3 years ago

4 0

Answer:

TRUE

If a polygon is a rectangle, then it is a square. If a polygon is a square, then it is a rectangle. If a polygon is not a rectangle, then it is not a square.

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lys-0071 [83]

answer:

you just have to shrink it down to 4cm then to 2cm

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4 0

3 years ago

Simplify the following expression: 9^−53 ⋅ 9^37 Please also explain your answer. Thanks!

Alexus [3.1K]

Answer: 9^-16

Step-by-step explanation:

a^b*a^c= a^b+c

8 0

4 years ago

A customer works into a post office to purchase stamps. she purchases a total of 45 stamps. some of the stamps are 49cent stamps

baherus [9]

Step-by-step explanation:Let number of 49 cents =A

Let number of 33 cents=B

A+B=45 equation 1

1 $=100 cents

49 cents =.49 dollar

33 cents=.33 dollar

so .49A+.33B=17.89 equation 2

Add equation 1 and equation 2

since these are simultaneous equations

.49A+.33B=17.89

A+ B=45

so divide equation 2 by 100 we get

49A+33B=1789

A+B =45 multiply equation 1 by 33 on both the sides we get

33A+33B=1485 equation 3

so subtract equation 3 from equation 2 we get

49A+33B=1789 equation 2

33A+33B=1485 equation 3

16A+0 =304

16A=304

A=304/16

A=19

putting nalue of A in equation 1 we get

A+B=45

19+B=45

B=45-19

B=26

so number of 49 cent stamps are 19

and number of 33 cent stamps are 26

5 0

3 years ago

A council of three people is to be chosen from a group of 4 lawyers, one artist, and 3 teachers

padilas [110]

Answer: 0.2857

Step-by-step explanation:

At least one teacher means exactly 1 or exactly 2 or exactly 3 teachers. Find the probability of each and add them up.

$\text{One teacher}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{5\ others}{7\ people}\times \dfrac{4\ others}{6\ people}=\dfrac{5}{28}=0.1786\\\\\\\text{Two teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{5\ others}{6\ people}=\dfrac{5}{56}=0.0893\\\\\\\text{Three teachers}:\dfrac{3\ teachers}{8\ total\ people}\times\dfrac{2\ teachers}{7\ people}\times\dfrac{1\ teacher}{6\ people}=\dfrac{1}{56}=0.0179$

One teacher + Two teachers + Three teachers = 0.2857

4 0

3 years ago

4 to 7 equals 21 to what

Margaret [11]

Can you show the whole question

8 0

3 years ago

Read 2 more answers