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Gre4nikov [31]
3 years ago
12

Shin used a doubling and halving strategy to solve 25 times 68. Fill in the blanks in the arrays and the equations to represent

her work
Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0

Answer:

25 * 68 = 1700

Step-by-step explanation:

Given

25 * 68

Required

Fill the array using doubling and halving

Question is incomplete, as the array is not given.

However, the solution is as follows:

25 * 68

Double 25 and half 68

25 * 68 = 50 * 34

Double 50 and half 34

25 * 68 = 100 * 17

The above is now easy to solve

25 * 68 = 1700

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Plz help with this question
likoan [24]

Answer:i dont know to do this stuff but i think you have to divide i think ???

Step-by-step explanation:

6 0
3 years ago
There are some red and blue balls in a bag of 21 balls and the probability of picking 2 red balls out in a row is 1/14 how many
Over [174]

Answer:

6 red balls

Step-by-step explanation:

The probability in the first pick

6/21

The probability in the second pick (without replacement)

5/20

the requested probability

(6/21)(5/20) = 30/420

simplification

30/420 = 3/42 = 1/14

Hope this helps

8 0
2 years ago
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A pizza shop sells pizzas that are 10 inches (in diameter) or larger. A 10-inch cheese pizza cost $8. Each additional inch cost
Katyanochek1 [597]

A pizza shop sells pizzas that are 10 inches orr larger. A 10-inch cheese pizza costs $8 and each additional costs $1.50 and each additional topping costs $0.75.

The equation that represents the cost of a pizza is:

P = $10 + $1.50a + $0.75b

Where 'a' represents the number additional inches and 'b' represents the number of additional toppings.

4 0
2 years ago
The locations, given in polar coordinates, for two ships are (8 mi, 63º) and (8 mi, 123º). Find the distance between the two shi
PolarNik [594]
The arrangement forms an isosceles triangle with equal legs of 8 mi. The angle between the legs is,

123-63 = 60°. Therefore, the other two angles ares:

Angles = (180-60)/2 = 120/2 = 60°

It can therefore be noted that all angles are equal and thus the resulting triangle is actual an equilateral triangle and thus all the sides are equal.

It can be concluded that the ships are 8 miles apart.
8 0
3 years ago
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Can someone explain this to me please? I will give brainliest to the best answer!
mojhsa [17]

The volume of a cylinder is V = \pi r^{2} h

  • r is the radius (half of the diameter which is 34m) --> 17m
  • height: 27m
  • \pi: 3.14

Thus the volume = \pi (17)^2*27=3.14*17^2*27=24501.42m^{3}

Hope that helped!

8 0
2 years ago
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