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Alborosie
3 years ago
9

Frank is practicing for a 5 km race his normal time is 31 minutes 17 seconds yesterday it took him only 29 minutes and 49 second

s how much faster with Frankie yesterday than his normal time
Mathematics
1 answer:
Vesna [10]3 years ago
6 0

Answer:

2 minutes and 8 seconds faster.

Step-by-step explanation:

Hope this hel;ps

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In how many minutes will a heart beat in 140 times?
matrenka [14]
The answer is 5 minutes
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3 years ago
Read 2 more answers
The are of a rectangular city park is 25/54 square miles. The length of the park is 5/9 mile. What is the with, in miles, of the
Afina-wow [57]
A=L•W
25/49=5/9•W

25/49=5/9•W
/ 5/9. / 5/9. (Divided by 5/9)




Answer- about .918 miles
4 0
4 years ago
Which graph represents the function f(x)=−4x−3?
Evgen [1.6K]
<h2>Answer:</h2>

The graph on the top left.

<h2>Step-by-step explanation:</h2>

f(x) = -4^x - 3

That means that when x = 0...

f(0) = -4^0 - 3

f(0) = -1 - 3

f(0) = -4

So, the function will have a point at (0, -4). We can eliminate the two graphs on the right.

When x = 1...

f(1) = -4^1 - 3

f(1) = -4 - 3

f(1) = -7

So, the function will have a point at (1, -7). That corresponds to the graph on the top left.

<h2>Hope this helps! </h2>
6 0
4 years ago
99 Points.
kvasek [131]

The product of the sum of two perfect cubes:

a³ + b³ = (a + b)(a² - ab + b²)

The product of the difference of two perfect cubes:

a³ - b³ = (a - b)(a² + ab + b²)

----------------------------------------------------------------------------------------------------------------

Remember to follow FOIL:

(b^2 + 8)(b^2 - 8)

(b^2)(b^2) = b^4

(b^2)(-8) = -8b^2

(8)(b^2) = 8b^2

(8)(-8) = -64

b^4 - 8b^2 + 8b^2 - 64

Combine like terms:

b^4 (-8b^2 + 8b^2) - 64

b^4 - 64

b^4 - 64 is your answer

hope this helps

6 0
4 years ago
Read 2 more answers
Can someone please help
EastWind [94]
You basically just switch it around and subtract the fractions

7 0
3 years ago
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