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3 years ago

10

If you run 10 minutes a day but don’t walk 45 minutes a day, and you don't find yourself living up to age of 90, then is the cla

im true or false? Why?

1 answer:

Neporo4naja [7]3 years ago

8 0

Answer:

need more info

Step-by-step explanation:

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When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f

nasty-shy [4]

Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

<u>With the current (current helps):</u>

Distance = 10 km

Time = 2 hours

Rate = x + y km/h

$10=2(x+y)$

<u>Against the current:</u>

Distance = 8 km

Time = 2 hours

Rate = x - y km/h

$8=2(x-y)$

Divide both equations by 2:

$x+y=5\\ \\x-y=4$

Add these equations:

$x+y+x-y=5+4\\ \\2x=9\\ \\x=4.5\ km/h$

Subtract these two equations:

$(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h$

4 0

2 years ago

Select the correct answer<br> Solve this equation<br> X+4/6x = 1/x

laila [671]

Answer:

A) x = 0, 2

Step-by-step explanation:

(x + 4) / 6x = 1 / x

this is a proportion, so you can cross-multiply and get:

x(x + 4) = 6x

x² + 4x = 6x

x² - 2x = 0

x(x - 2) = 0

x = 0

x - 2 = 0 so, x = 2

5 0

2 years ago

PLEASE HELP ASAP IM PANICKING :(((

Inessa [10]

Answer:

A

Step-by-step explanation:

7 0

2 years ago

Identify the property that the statement illustrates

oksian1 [2.3K]

Answer:

6 units away from 0.

Step-by-step explanation:

when move to 6 you count the units.

5 0

3 years ago

Solve for b.<br><br> 8b−1=24b+4

Allushta [10]

8b - 1 = 24b + 4
8b - 1 + 1 = 24b + 4 + 1
8b = 24b + 5
8b - 24b = + 5
-16 = + 5
-5/16

Answer: b = -5/16

3 0

3 years ago

Read 2 more answers