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3 years ago

How can I understand derivation better?

1 answer:

7 0

In mathematics, the derivative of a function of a real variable measures the sensitivity to change of the function value with respect to a change in its argument.

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rhombus has sides of length 10 cm. and the angle between two adjacent sides is 76 degrees. Find the lengths of the other diagona

lisabon 2012 [21]

Let the length of one of the diagonals be 2x and the other be 2y, then
cos (76/2) = x/10
x = 10 cos 38 = 7.88 cm

sin (76/2) = y/10
y = 10 sin 38 = 6.16 cm

3 0

4 years ago

This week at the farmer's market the price of oranges per pound has decreased by 20% compared to last week. If the price of oran

stira [4]

Answer:

$4.8625

Step-by-step explanation:

$3.89 + 20%

$3.89 = 80%

$3.89 × ¼ = $0.9725

$0.9725 × 5 = $4.8625

7 0

3 years ago

Will mark brainliest, answer please !!!!

iren [92.7K]

Answer:

its the first one 3rd one (brainliest please) (hope this helped)

Step-by-step explanation:

your 7s all equal 7^6

first one you keep 7 and subtract 2 from 8 which is 6 and you get 7^6

exponent distributes to the 2 so its 7^2 times 3 so its 7^6 which is the same

8 0

4 years ago

Read 2 more answers

Pls answer for brainliest

lana66690 [7]

Answer: Choice B

$(x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)$

=========================================================

Explanation:

When dilating with respect to the origin, any point of the form (x,y) moves to (kx, ky) for some real number k. The k is the scale factor.

Point C is at (-2,2). It moves to C ' (-5,5)

The jump from x = -2 to x = -5 is "times 5/2" since kx = (5/2)*(-2) = -5

The same scale factor is used when going from y = 2 to y = 5.

Both x and y coordinates are multiplied by 5/2 to move from (-2,2) to (-5,5)

Therefore, the dilation rule we use is $(x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)$

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We could have these steps to confirm

$(x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)\\\\(-2,2) \to \left(\frac{5}{2}*(-2),\frac{5}{2}(2)\right)\\\\(-2,2) \to (-5,5)\\\\$

5 0

3 years ago

If a toaster produces 12ohms of resistance in a 120-volt circuit. What is the amount of current in the circuit

tensa zangetsu [6.8K]

Answer:

10 amps.

Step-by-step explanation:

According to Ohm's Law, V=IR, and, dividing both sides by R, we have $V/R=I$ , where V is the amount of volts, R is the amount of resistance, and I is the current in amps.

Plugging the values into the formula, we have $120/12 = 10$ .

Therefore, there is 10 amps of current in the circuit.

6 0

3 years ago

How can I understand derivation better? ​

How can I understand derivation better?