3 years ago

How many km per hour must you swim if you want to cross a 5km channel in 7 hours

1 answer:

5 0

$v=\dfrac{s}{t}=\dfrac{5}{7}\;[\dfrac{km}{h}]$

Answer: You must swim 5/7 km per hour to cross a 5km channel in 7 hours.

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How did u get the area of the trapezoids tho.

GarryVolchara [31]

Answer:

To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

Step-by-step explanation:

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3 years ago

What is the value of n in the relationship 8n+9=-n+5

vitfil [10]

Subtract 5 from both sides.

$8n + 4 = -n$

Subtract 8n from both sides.

$4 = -9n$

Divide both sides by -9 to solve for n.

$- \frac{4}{9} = n$

The value of n is -4/9.

8 0

3 years ago

O número 2021 tem resto 5 quando dividido pelo nmr 6, 7, 8, e pelo nmr 9. Quantos múmeros inteiros positivos menores do que 2021

Leokris [45]

336

Step-by-step explanation:

2021-5=2016÷6=336

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2 years ago

Multiply. Write your answer as a mixed number in simplest form<br> 4 3\8 x 2 1\7 =

scoundrel [369]

The answer is 9 3/8 :)

5 0

2 years ago

You keep track of the daily hot chocolate sales and the outside temperature each day. The data you gathered is shown in the data

vazorg [7]

Answer:

There is a negative correlation.

Step-by-step explanation:

The point on the scatter plot are downwards sloping. This implies that there is a negative relationship between the variables temperature and sales. Thus, there is a negative correlation.

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1 year ago