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In-s [12.5K]
3 years ago
6

Which statement is always true for a square, but not always true for a rhombus?

Mathematics
2 answers:
Karolina [17]3 years ago
6 0
<span>- <u>Two angles are obtuse</u>.
No.  There are no obtuse angles in a square.

- <u>All sides are equal</u>.
No.  It's true of squares AND rhombuses.

- <u>Two or more angles are right angles. </u>
Yes.  Always true for a square, sometimes true for a rhombus.

- <u>More than two sides are parallel.</u></span>
Confusing, so call it a 'no'. 
In both squares and rhombuses, every one of the four sides
is parallel to ONE other side.

<u>Another important note:</u>
Look at the statement that's true always for a square and sometimes for a rhombus:
"Two or more angles are right angles".
WHEN does a rhombus have right angles in it ?  Fasten your seat belt and hold on tight:
A square is a special kind of rhombus.  It's a rhombus that has right angles in it.
So a rhombus has right angles in it <u>when it's a square</u>.
bezimeni [28]3 years ago
5 0
two or more angles are right angles. Because a square always has 4 right angles to be a square, however a rhombus has no right angles because that would be a lame rhombus if its a square. Um yeah.
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The circumference of circle 1 is 16 pi units. The circumference of circle 2 is 6 pi units. Which of the following is true about
Yanka [14]

Answer:

Area of Circle 1=>64(pi) units^2

Area of Circle 2=>9(pi) units^2

Step-by-step explanation:

Circumference=2(pi)r

Circle 1: 2(pi)r=16(pi)

Divide by 2(pi) on both sides

r=8 units

Area=(pi)r^2

Area of circle 1=>(pi)*(8^2)

Area of Circle 1=>64(pi) units^2

Circle 2: 2(pi)r=6(pi)

Divide by 2(pi) on both sides

r=3 units

Area=(pi)r^2

Area of circle 2=>(pi)*(3^2)

Area of Circle 2=>9(pi) units^2

3 0
3 years ago
What is the slope of the line whose equation is y - = 0? slope = slope = - slope = 0
sasho [114]

Answer:

the slope is 0

Step-by-step explanation:

7 0
3 years ago
Please answer this question I need this urgent Help meeeee
iren [92.7K]

Answer:

\frac{s}{2t}

Step-by-step explanation:

When you have exponents above a like term and they are being multiplied together, you add them.

For example:

a^{x} *a^{y} = a^{x + y}

So let's group like terms in the numerator:

4r^{3} r^{-5} s^{-2} s^{-1}t   We can add terms like in the example.

4 r^{-2} s^{-3} t

Let's rearrange the denominator.

8r^{-2} s^{-4} t^{2}

Now we have:

\frac{4r^{-2} s^{-3}t}{8 r^{-2} s^{-4} t^{2} }  Cancel like terms

4/8 = 1/2    

r^{-2} /r^{-2} = 1  So it cancels

s^{-3} / s^{-4} = s^{-1} = s Since s is raised to the -1 it goes on top and becomes s.

t / t^{2}  = 1/t

Now we combine everything back together:

\frac{s}{2t}

8 0
3 years ago
The proportion of items in a population that possess a specific attribute is known to be 0.45. a. If a simple random sample of s
yanalaym [24]

Answer: 0.05

Step-by-step explanation:

  • Sampling error is the error occurs by considering sample for study instead of entire population.

Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.

Sample size : n= 100

Sample proportion of items in a population that possess a specific attribute : \hat{p}=0.48

Now, the formula to find the sampling error :

\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

\text{Sampling error} =\sqrt{\dfrac{0.48(1-0.48)}{100}}

=\sqrt{\dfrac{0.48(0.52)}{100}}\\\\=\sqrt{0.002496}\approx0.05

Hence, the sampling​ error =0.05

4 0
3 years ago
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