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sukhopar [10]
3 years ago
13

Sammy can roll a bowling ball at a rate of 5 miles in 30 seconds. How fast can he

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

600 mph

Step-by-step explanation:

Given that,

Distance covered by ball, d = 5 miles

Time taken, t = 30 seconds

1 second = (1/3600) hour

Speed = distance/time

v=\dfrac{5\ \text{miles}}{30\times \dfrac{1}{3600}\ \text{hour}}\\\\v=600\ mph

So, the speed of the ball is 600 mph.

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SOMEONE HELP ME PLEASE
Novay_Z [31]
Y - 5 = -1/2(x-1)

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3 0
3 years ago
Evaluate (-2 4/5)-(-1 5/6)​
iragen [17]

Answer:

(-29)/30

Step-by-step explanation:

Simplify the following:

-(2 + 4/5) + (1 + 5/6)

Put 2 + 4/5 over the common denominator 5. 2 + 4/5 = (5×2)/5 + 4/5:

-(5×2)/5 + 4/5 + 1 + 5/6

5×2 = 10:

-(10/5 + 4/5) + 1 + 5/6

10/5 + 4/5 = (10 + 4)/5:

-(10 + 4)/5 + 1 + 5/6

10 + 4 = 14:

-14/5 + 1 + 5/6

Put (-14)/5 + 1 + 5/6 over the common denominator 30. (-14)/5 + 1 + 5/6 = (6 (-14))/30 + 30/30 + (5×5)/30:

(6 (-14))/30 + 30/30 + (5×5)/30

6 (-14) = -84:

(-84)/30 + 30/30 + (5×5)/30

5×5 = 25:

(-84)/30 + 30/30 + 25/30

-84/30 + 30/30 + 25/30 = (-84 + 30 + 25)/30:

(-84 + 30 + 25)/30

| 3 | 0

+ | 2 | 5

| 5 | 5:

(55 - 84)/30

55 - 84 = -(84 - 55):

(-(84 - 55))/30

| 7 | 14

| 8 | 4

- | 5 | 5

| 2 | 9:

Answer: (-29)/30

6 0
3 years ago
suppose the sales tax rate in your area is 7.5%. explain how to determine the total cost, including tax, of an eReader that cost
BartSMP [9]
To find the tax you first move the decimal place 2 places to the left giving you the exact percent in decimal form. .075 is the correct decimal for this percent. You then multiply that percent by the cost of the product. (125) After multiplying you get the product $9.375. Then you round to the nearest tens place giving you $9.38
7 0
3 years ago
How do you solve for ? 1/5(x-4)=5
zepelin [54]
\frac{1}{5} *(x-4) =5
(x-4) = \frac{5}{ \frac{1}{5}}  (take 1/5 to right hand side, thus it will divide by 5)
(x-4) = 25 (simplify)
x = 29
6 0
3 years ago
Read 2 more answers
Find x (7x-11) (2x-3) (5x-2)
Tomtit [17]

Answer:

x = 14

Step-by-step explanation:

Total angle measure of a triangle - 180°

Add all the angles together and make them equal to 180.

Solve for x.

7x - 11 + 5x - 2 + 2x - 3 = 180

14x - 16 = 180

14x - 16 + 16 = 180 + 16

14x = 196

\frac{14x}{14} = \frac{196}{14}

x = 14

3 0
3 years ago
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