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Natasha2012 [34]
3 years ago
9

A box contains 36 counters. There are twice as many red counters as yellow, how many yellow counters are there?

Mathematics
1 answer:
EastWind [94]3 years ago
4 0

Answer:

Double it, aka multiply

Step-by-step explanation:

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The world record for the most number of push-ups in 60 seconds is 140 push-ups. If the record holder completed the push-ups at a
den301095 [7]

Answer:

105

Step-by-step explanation:

60s--> 140

45s---> x

=60/45 = 140/x

=105

3 0
3 years ago
When a number is decreased by 7.3%, the result is 60. What is the original number to
marishachu [46]

Answer:

Original Number = let we assume it is x

Number after decremented =  y = 60

Total decrease = z = x-y = x-60

% of decrease = ((x-60)/x)*100 = 7.3

(x-60)*100 = 7.3x

100x -6000 = 7.3x

100x-7.3x = 6000

92.7x = 6000

x = 6000/92.7 = 64.73

Original Number = 64.73

Step-by-step explanation:

4 0
3 years ago
What is - (6x + 9y) in distributed form
IRISSAK [1]

Answer: -6x + -9y

Step-by-step explanation:

You just distribute the negative with each term

5 0
3 years ago
Maria throws a softball straight up into the air with an initial velocity of 50 ft/sec. The ball leaves her hand when it is exac
Nataly_w [17]

Answer:

The equation that models the situation is s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}.

Step-by-step explanation:

Let suppose that effects from air friction and Earth's rotation can be neglected, so that the softball can be modelled experiment a free fall, that is, an uniform accelerated motion due to gravity. From we know the initial velocity and position of the position and we can determine the final position of the ball as a function of the final velocity:

v_{f}^{2} = v_{o}^{2}+2\cdot a \cdot (s_{f}-s_{o}) (1)

Where:

s_{o}, s_{f} - Initial and final position of the softball, measured in feet.

a - Acceleration, measured in meters per square second.

v_{o}, v_{f} - Initial and final velocities of the softball, measured in feet per second.

If we know that v_{o} = 50\,\frac{ft}{s}, a = -32.174\,\frac{m}{s^{2}} and s_{o} = 4\,ft, then the equation that models the situation is:

v_{f}^{2} = 2500-64.348\cdot (s_{f}-4)

Then, we clear the final position of the softball:

-\frac{v_{f}^{2}-2500}{-64.348} = s_{f}-4

s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}

The equation that models the situation is s_{f} = 4+\frac{v_{f}^{2}-2500}{64.348}.

8 0
2 years ago
the yeastie boys new album bread and the bank goes on sale next week they autographed 85% of 2000 copies before they were packag
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0.85 x 2000 = 1700 copies
8 0
3 years ago
Read 2 more answers
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