Which situation is best represented by the equation below?x - 3.5 = 4.75

A. Alta had $4.75. She paid $3.50 for a snack and drink. What is x, the amount of money Alta has left?
B. Julia found a scarf with a sale price of $4.75 The discount was $3.50. What is x, the original price of the scarf.
C. Rocio drew a line segment that was 3.5 inches long. Renee drew a line segment that was 4.75 inches long. What is x, the difference in the lengths of the two line segments?
D. Ami completed a math problem in 3.5 minutes. Giovanni completed the same problem in 4.75 minutes. The time limit was 5 minutes. What is x, the difference in Ami's time and the time limit?

The required point that is common for all lines of symmetry for a given circle is the center of the circle.

What is a circle?

The circle is the locus of a point whose distance from a fixed point is constant i.e center (h, k). The equation of the circle is given by

(x - h)² + (y - k)² = r²

where h, k is the coordinate of the center of the circle on the coordinate plane and r is the radius of the circle.

Here,
For the given circle, Each and every line of symmetry in the circle is termed to be diameter and each diameter of the circle passes through the center.

Thus, the required point that is common for all lines of symmetry for a given circle is the center of the circle.

Learn more about circle here:

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Answer:

The answer is 19%

Step-by-step explanation:

In order to determine the snack bar with lowest calories from fat, we have to express the three values in a same notation way.

First value is expressed in fraction, second one in decimal and the last one in percentage.

Which one is the easiest way? The easiest way is in percentage notation because we only have to multiply the value by 100.

So, the values and will be multiplying by 100. The last value is already in percentage notation.

Then:

%

%

%

Finally, the snack bar, that it contains the least amount of calories from fat, is the last one with 19%.

To solve for x, you need to isolate/get x by itself in the equation:

      Square ² both sides to get rid of the square root √

x - 2 = 0           Add 2 on both sides

x - 2 + 2 = 0 + 2

x = 2

Answer:

p(x) = 0.1x + 1

Step-by-step explanation:

Pressure at sea level = 1 atmosphere

Depth dove by Sydney = 23 meters

Pressure at a depth of 23 meters = 3.3 atmospheres

So,

Pressure at a depth of 23 meters = Pressure at sea level + k * Depth dove by Sydney

where k is  the diving rate constant

=> 3.3 = 1 + k(23)

=> 3.3 = 23k + 1

Subtracting 1 from both the sides, we get

3.3 - 1 = 23k + 1 -1

Cancelling out the +1 and -1 from the right side, we get

2.3 = 23k

=> 23k = 2.3

Dividing both sides by 23, we get

Cancelling out the 23's from the top and bottom of the left side, we have

k = 0.1

Plugging in the value of k in the equation, we get

Pressure at a particular depth = Pressure at sea level + k * Depth dove by Sydney

p(x) = 1 + k(x)     [where p(x) is the pressure at a depth x]

=> p(x) = 1 + 0.1(x)

=> p(x) = 0.1x + 1

Answer:

0.1x + 1

Step-by-step explanation: