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Nina [5.8K]
4 years ago
7

Hong drove 648 miles in 9 hours.

Mathematics
2 answers:
ioda4 years ago
6 0

Answer:

864 miles

Step-by-step explanation:

648/9 = 72 mph

72 x 12 = 864

koban [17]4 years ago
3 0

Answer:

he drive 864 miles

Step-by-step explanation:

\frac{648}{9}  \times 12 = 864miles

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The price of a technology stock was $9.66 yesterday. Today, the price fell to $9.55. Find the percentage decrease.
Fittoniya [83]
So the decrees would be 0.11 because if you add 9.55 with 0.11 you would get 9.66 then to make sure it’s right you subtract 9.66 by 0.11 and you would get 9.55. So the answer is 0.11
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3 years ago
Increase a price of £25 by 10%
saul85 [17]
27.5 Is the answer of the increased price
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4 years ago
The population of a type of local frog can be found using an infinite geometric series where a one equals 84 and the common rati
kodGreya [7K]
A=84 and r=1/5

Since r, the common ratio squared is less than one, the sum will converge to a limit.  Rule:  if  r^2<1 infinite series converges, otherwise it diverges.

Since the sum of any geometric sequence is:

s(n)=a(1-r^n)/(1-r)

And if r^2<1, (1-r^n) becomes 1-0=1 as n approaches infinity.

So whenever r^2<1 the sum of the infinite series is just:

s(n)=a/(1-r)

Since a=84 and r=1/5 this infinite series has a sum of:

s(n)=84/(1-1/5)

s(n)=84/(4/5)

s(n)=5(84)/4

s(n)=105
5 0
3 years ago
Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation 2 l plus 2 w equals 48 can
AVprozaik [17]
2I + 2w = 48
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Have a great day/night
7 0
3 years ago
Y= x^3 + 8x^2 +5x<br> work out the coordinates of the two turning points
aliya0001 [1]

Answer:

(-5, 50) and (-1/3, -0.815)

Step-by-step explanation:

The equation is;

y = x³ + 8x² + 5x

Now the turning point will occur at where dy/dx = 0.

Thus;

dy/dx = 3x² + 16x + 5

At dy/dx = 0, we have;

3x² + 16x + 5 = 0

From quadratic formula, we can get;

x = -5 or -⅓

Thus, let's find y at this points.

y = -5³ + 8(-5)² + 5(-5)

y = -125 + 200 - 25

y = 50

Also,at x = -⅓, we have;.

y = (-⅓)³ + 8(-⅓)² + 5(-⅓)

y = -1/27 + 8/9 - 5/3

y = -0.815

Thus,the coordinates of the turning points are;

(-5, 50) and (-1/3, -0.815)

6 0
3 years ago
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