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3 years ago

Find the work done by a force that is given by the vector (2,6) in moving an object in a straight line from point

Mathematics

1 answer:

bekas [8.4K]3 years ago

6 0

Answer:

B. 54 Joules

Step-by-step explanation:

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A can do a piece of work in 3 days and B in 6 days. In how many days will they do it together?

Sladkaya [172]

Answer:

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2 years ago

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I have no idea what the answer is

Digiron [165]

Sin is opposite over hypotenuse so the answer would be sqrt3\2

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3 years ago

Solve, 6 (5x -2) + 12 = 30

jeyben [28]

Step-by-step explanation

6 (5x -2) + 12 = 30

30x-12+12=30

30x=30

x=30/30

x=1

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3 years ago

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The diameter of a circle is 6.8 m. Find the circumference to the nearest tenth

matrenka [14]

Answer:

21.4m

Step-by-step explanation:

Circumference : x diameter

is approximately 3.142

3.142 x 6.8 = 21.3656

Nearest tenth = 21.4m

5 0

2 years ago

The table gives the relative frequencies of recipes that contains sugar and salt, contain at least one of those ingredients, or

tigry1 [53]

Answer-

The probability that a randomly selected recipe does not contain sugar, given that it contains salt is 22.4%

Solution-

The given table in the link shows the relative frequencies of recipes that contains sugar and salt, or contains at least one of those ingredients, or contains neither of those ingredients.

We have to find the conditional probability that the recipe doesn't contain sugar, given that it contains salt.

We know that, the conditional probability of occurrence of A given that B occurs is,

$P(A|B)=\frac{P(A\ and\ B)}{P(B)} =\frac{P(A\bigcap B)}{P(B)}$

$P(\text{Doesn't contain sugar}\ |\ \text{Contains salt})=\frac{P(\text{Doesn't contain sugar}\ and\ \text{Contains salt})}{P(\text{Contains salt})}$

$P(\text{Doesn't contain sugar}\ and\ \text{Contains salt})=\frac{0.15}{1} =0.15\\P(\text{Contains salt})=\frac{0.67}{1}=0.67$

Putting these values,

$P(\text{Doesn't contain sugar}\ |\ \text{Contains salt})=\frac{0.15}{0.67} =0.224=22.4\%$

5 0

3 years ago