Explain how multiplying with 6 is like multiplying with 3

2 answers:

7 0

Because if you multiply 3 twice it equals 6 so therefore if you are multiplying 6×2 then it will equal 12 so it is 4 times more

kozerog [31]4 years ago

4 0

So you are trying to multiply 6 times 3 so how can you multiply is how we know that 6×3 Is 18 so what you have to do is multiply

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70% of what number is 21 and how do you do it

tester [92]

The answer is 30 because you put 21/x= 70/100
you cross multiply 100 and 21 you get 2100 and you divide it by 70 you should get 30 cause you take out one 0 from both numbers and end up with 210 divided by 7 then you get 30

4 0

3 years ago

Read 2 more answers

(Very urgent i could die help) Simone ran on a tredmail for a 6 mile per hour pace if she ran 8 miles at the same rate how long

vodka [1.7K]

Answer:

1 hour and 20 minutes

Step-by-step explanation:

6mph= 6 miles every hour

1 mile = 10 minutes

2 miles = 20 minutes

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3 years ago

Find each missing measure in the diagram below.

lys-0071 [83]

Answer:

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Step-by-step explanation:

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3 years ago

express the limit as a definite integral on the given interval. lim n → [infinity] n ∑ i = 1 cos x i x i δ x , [ 2 π , 4 π ]

Lemur [1.5K]

The limit as a definite integral on the interval $\lim _{n \rightarrow \infty} \sum_{i=1}^n \frac{\cos x_i}{x_i} \Delta x$ on [2π , 4π] is $\int_{2\pi}^{4 \pi} \frac{\cos x}{x} d x$$ .

<h3>What is meant by definite integral?</h3>

A definite integral uses infinitesimal slivers or stripes of the region to calculate the area beneath a function. Integrals can be used to represent a region's (signed) area, the cumulative value of a function changing over time, or the amount of a substance given its density.

Definite integral, a term used in mathematics. is the region in the xy plane defined by the graph of f, the x-axis, and the lines x = a and x = b, where the area above the x-axis adds to the total and the area below the x-axis subtracts from the total.

If an antiderivative F exists for the interval [a, b], the definite integral of the function is the difference of the values at points a and b. The definite integral of any function can also be expressed as the limit of a sum.

Let the equation be

$\int_a^b f(x) d x=\lim _{n \rightarrow \infty} \sum_{i=1}^n f\left(x_i\right) \Delta x$