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melamori03 [73]
2 years ago
6

Determine whether each statement is true or false. If false, give a counterexample.

Mathematics
1 answer:
bezimeni [28]2 years ago
7 0
This statement is true, or else you wouldn't have a sphere.
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If an item is discounted by 5 percent, and the final price is 57, what is the original price of the item?
ollegr [7]

Answer:

$59. 85  or rounding, $60   (I AM NOT COMPLETELY SURE)

Step-by-step explanation

I changed the percentage into a decimal (.05) and then multiplied it by the final price (57). After multiplying, I got, $2.85. I then added that to the final price to get, $59.85.

6 0
2 years ago
What is the value of the expression 10 + (fraction 1 over 2)4 ⋅ 48?
djverab [1.8K]
10 + 1/2*4*48 => 10 + 2*48 => 10 + 96 = 106.
3 0
3 years ago
Read 2 more answers
An 8-sided die is formed when two square pyramids are attached by their bases. The perimeter of the base shape is 6 centimeters.
lawyer [7]

Answer:

7.5cm²

Complete question:What is the surface area of the 8-sided figure?

Step-by-step explanation:

Consider the half of the 8-sided die i.e the pyramid ABCDE:

As the base is 6 of the perimeter, so each side of the base is 6/4=3/2

Now, the distance between the tallest points is 2 cm, so the height of Pyramid ABCDE is 1 cm.

Considering the right triangle EOM:

EO=1, OM= 3/4 (it is half of AB=3/2) and EM is the hypothenuse, so by the pythagorean theorem length of EM is 

\sqrt{1+ ( \frac{3}{4} )^{2} }=  \sqrt{1+ \frac{9}{16} }= \sqrt{ \frac{25}{16} }= \frac{5}{4}   (cm)

5. So side EBC has area  

\frac{1}{2}BC*EM=  \frac{1}{2}* \frac{3}{2}* \frac{5}{4}= \frac{15}{16}

6. The total area is 8*Area(EBC)=8* \frac{15}{16}= \frac{15}{2}=7.5 ( cm^{2} )

3 0
3 years ago
What is the recursive formula for this geometric sequence?
iogann1982 [59]
B is the answer because first number is 2 and common ratio is - 5
8 0
3 years ago
Read 2 more answers
Help me with this math homework
sp2606 [1]

Answer:

1.) 2 over 5

2.)7.5 over 50

3.)1 1/2

5.)0.95%

6.)2.5%

7.)0.94

i cant read 9 and ten

11.)61 over 100

12.)7 over 25

13.)207 over 1000

15.)14 over 25

16.)13 over 50

17.)3 over 500

19.)5 over 8

20.)42 over 125

21.)3 over 250

I tried my best!! hope this helps you out


5 0
3 years ago
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