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Anna71 [15]
3 years ago
6

How do u divide a number with a fraction??​

Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0

Step-by-step explanation:

ex

1)

3 \div  \frac{1}{2}

=

3 \times  \frac{2}{1}

= 6

2)

5 \div  \frac{5}{3}

=

5 \times  \frac{3}{5}

= 3

ddd [48]3 years ago
3 0
You do keep change flip
Like this 3-1/2
Keep the 3
Change the sign to a plays so the opposite + and flip the numbers
3+2/1
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3 0
3 years ago
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There are stars to circle there are 4 stars and 2 circles how much is the ratio
kakasveta [241]

Answer:

2:1

Step-by-step explanation:

The original ratio is 4:2. Divide both sides by 2. Then you get 2:1.

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3 years ago
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Ilya [14]

Answer:

12989.9236 m

Hope this helps!!!

6 0
3 years ago
Consider the curve defined by the equation y=6x2+14x. Set up an integral that represents the length of curve from the point (−2,
torisob [31]

Answer:

32.66 units

Step-by-step explanation:

We are given that

y=6x^2+14x

Point A=(-2,-4) and point B=(1,20)

Differentiate w.r. t x

\frac{dy}{dx}=12x+14

We know that length of curve

s=\int_{a}^{b}\sqrt{1+(\frac{dy}{dx})^2}dx

We have a=-2 and b=1

Using the formula

Length of curve=s=\int_{-2}^{1}\sqrt{1+(12x+14)^2}dx

Using substitution method

Substitute t=12x+14

Differentiate w.r t. x

dt=12dx

dx=\frac{1}{12}dt

Length of curve=s=\frac{1}{12}\int_{-2}^{1}\sqrt{1+t^2}dt

We know that

\sqrt{x^2+a^2}dx=\frac{x\sqrt {x^2+a^2}}{2}+\frac{1}{2}\ln(x+\sqrt {x^2+a^2})+C

By using the formula

Length of curve=s=\frac{1}{12}[\frac{t}{2}\sqrt{1+t^2}+\frac{1}{2}ln(t+\sqrt{1+t^2})]^{1}_{-2}

Length of curve=s=\frac{1}{12}[\frac{12x+14}{2}\sqrt{1+(12x+14)^2}+\frac{1}{2}ln(12x+14+\sqrt{1+(12x+14)^2})]^{1}_{-2}

Length of curve=s=\frac{1}{12}(\frac{(12+14)\sqrt{1+(26)^2}}{2}+\frac{1}{2}ln(26+\sqrt{1+(26)^2})-\frac{12(-2)+14}{2}\sqrt{1+(-10)^2}-\frac{1}{2}ln(-10+\sqrt{1+(-10)^2})

Length of curve=s=\frac{1}{12}(13\sqrt{677}+\frac{1}{2}ln(26+\sqrt{677})+5\sqrt{101}-\frac{1}{2}ln(-10+\sqrt{101})

Length of curve=s=32.66

5 0
3 years ago
-18 - 14= whats the answer help
AveGali [126]

Answer:

-32 :) is the answer just think about it as your adding the sum of these numbers then putting a negative in front of it.

Step-by-step explanation:

5 0
2 years ago
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