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3 years ago

NEED HELP ASAP WILL GIVE BRAINLIEST

Mathematics

2 answers:

Monica [59]3 years ago

7 0

Answer:

step 2

Step-by-step explanation:

labwork [276]3 years ago

6 0

Answer:Step 1

Step-by-step explanation:

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Scott likes to run long distances. He can run 20 \text{ km}20 km20, start text, space, k, m, end text in 858585 minutes. He want

aleksandrvk [35]

Answer:

<em>Scott will take 221 minutes to run 52 km</em>

Step-by-step explanation:

<u>Speed</u>

The speed of an object can be calculated with the formula:

$\displaystyle v=\frac{d}{t}$

Where d is the distance traveled and t is the time taken.

Scott can run d=20 km in 85 minutes. Thus, his speed is:

$\displaystyle v=\frac{20}{85}\ km/min$

Now he wants to know how many minutes it will take him to run d=52 km. Solving the formula for t:

$\displaystyle t=\frac{d}{v}$

Since the speed has been already determined:

$\displaystyle t=\frac{52}{\frac{20}{85}}$

Multiplying by the reciprocal of the denominator:

$\displaystyle t=52*\frac{85}{20}$

t = 221 min

Scott will take 221 minutes to run 52 km

4 0

3 years ago

Read 2 more answers

Which function families have vertical symmetry?

Nady [450]

The functions which are even are symmetric to y-axis. By even functions, it means that f(x) = f(x) for all the domain values. Thus even functions for example, x^2, 1+x^2, cosx, x^4 all follow the conditions i.e. f(x) = f(x) and thus they are symmterical to y-axis.

8 0

3 years ago

Is 2/9 closest to 0 1/2 or 1

umka2103 [35]

2/9=0.222.....

it is alot closer to zero than any of ther other numbers

6 0

3 years ago

I need help with these! Thanks!!

spin [16.1K]

-2[9 - (x + 7)]
-2[9 - x - 7]
-2[-x + 9 - 7]
-2[-x + 2]
-2[-x] - 2[2]
2x - 4

The answer is C.

8 0

2 years ago