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Nat2105 [25]
3 years ago
12

Select all of the following 2D shapes that may be formed by slicing a square pyramid?

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:

A and D

Step-by-step explanation:

Ok so first, if you slice parallel to the base, you can get a square.

If you slice parallel to a face, you get a triangle.

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75 students at MS 577 play soccer. 25% of MS 577 students play soccer. How many students attend MS 577 in total?
mart [117]
300 students
75 x 4 = 300
5 0
2 years ago
Solve for y<br> –6 − 8y = 2 − 7y
OLEGan [10]

Answer:

y = -8

Step-by-step explanation:

4 0
2 years ago
Lg(10x+200)=lg<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20" id="TexFormula1" title=" {x}^{2} " alt=" {x}^{2} "
Oksana_A [137]

Answer: x = {-4, 5}

<u>Step-by-step explanation:</u>

log (10x + 200) = log (x²) + log (10)

log (10x + 200) = log (10x²)

     10x + 200 = 10x²

                   0 = 10x² - 10x - 200

                   0 = x² - x - 20

                   0 = (x - 5)(x + 4)

                   0 = x - 5    0 = x + 4

                  x = 5           x = -4

Check for extraneous solutions:

             10x + 200 > 0                  x² > 0

x = 5      10(5) + 200 > 0               (5)² > 0        both are satisfied

x = -4     10(-4) + 200 > 0             (-4)² > 0        both are satisfied

            Both solutions are valid!

 

8 0
3 years ago
The radius of circle O is 28, and OC =9. What is the length of AB?
aksik [14]
The answer:
the complement of the question proposed one of the choices given beneath:
a) 58.8
b) 53.0
c) 29.4
d) 26.5

as we observe at the figure, AOB an isosceles triangle, and OCB is a right triangle

consider OCB
OC =9, OB= radius = 28
the problem is how to find the length of CA, for that C is a midpoint of segment AB, so AC=BC

BC can be found by using pythagorean theorem
OB²= OC² + CB²,  this implies CB² = OB² - OC²

CB² = 28² - 9² = 784 - 81=703, therefore CB= sqrt (703)=26.51

CB=26.51, since CB= AC, so  AC=CB= 26.51

finally the <span>the length of AB is AB = 2 x CB = 2x AC= 2x 26.51= 53.0
</span>
the answer is b) 53.0

7 0
3 years ago
Tony has twice as much money as Alicia. She has $16 less than Ralph. Together they all total $200. How much money does Tony have
svetoff [14.1K]

Tony has $62

hope this helps :)

8 0
3 years ago
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