MATHEMATICS HIGH SCHOOL

Heidi, a jewelry salesperson, earns a commission of $55 every time she sells a diamond ring. How many rings does she have to sell to earn $605? Choose the equation that correctly calculates the amount.A. $55 × w = $605
B. $55 + w = $605
C. $605 – $55 = w
D. $55 – w = $605 – w

Answers

Answer 1
Answer: A is the answer. This is because 605/55=w  which is the same as
55 x w =605
Answer 2
Answer:

Answer:

A

Step-by-step explanation:

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Plan a recipe for 38 minutes of long distance calling using plan b she paid $4.13 for 59 minutes find the unit rate for each which plan cost more per minute

Answers

Answer:

Plan A has a unit rate of approximately $0.1087 per minute.

Plan B has a unit rate of approximately $0.0700 per minute.

Step-by-step explanation:

Plan A:

38 minutes of long-distance calling

Total cost: $4.13

To find the unit rate for Plan A, divide the total cost by the number of minutes:

Unit Rate for Plan A = Total Cost / Number of Minutes

Unit Rate for Plan A = $4.13 / 38 minutes ≈ $0.1087 per minute

Plan B:

59 minutes of long-distance calling

Total cost: $4.13

To find the unit rate for Plan B, divide the total cost by the number of minutes:

Unit Rate for Plan B = Total Cost / Number of Minutes

Unit Rate for Plan B = $4.13 / 59 minutes ≈ $0.0700 per minute

Given: B is the midpoint of AC
EB=BC

Prove: AB=BC

Answers

Answer:

Step-by-step explanation:Since B is the midpoint of AC, this means that AB and BC are equal in length, as the midpoint of a line segment divides it into two equal parts.

2. Let's assume that AB is not equal to BC. In this case, one of the line segments AB or BC would be longer than the other.

3. Since EB = BC, if AB is longer than BC, then EB would be shorter than AB. But since B is the midpoint of AC, EB and BC should be equal in length.

4. Similarly, if BC is longer than AB, then EB would be longer than BC. But again, EB and BC should be equal since B is the midpoint of AC.

5. Since assuming AB is not equal to BC leads to contradictions, our assumption is false. Therefore, AB must be equal to BC.

Use the distributive property to find the product of the rational number. -3/4 ( -1/5 - 3/5)
A. 3/5
B. 4/5
C. 9/20
D. - 3/5

Answers

After using distributive property the product of the rational number is equals to (3)/(5) .

What is rational number?

" Rational number is defined as the number which is represented in the (p)/(q) , q\neq 0 form ."

Distributive property

A ( B \± C) = AB \± AC

According to the question,

Given product of the rational number,

(-3)/(4)( (-1)/(5)-(3)/(5))

Apply distributive property to simplify the given rational number we get,

((-3)/(4))( (-1)/(5))-((-3)/(4)) ((3)/(5))\n\n= ((3)/(20))+((9)/(20))\n\n= ((12)/(20))\n\n= ((3)/(5))

Hence, Option(A) is the correct answer.

Learn more about  rational number here

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You multiply the fractions and then add the distributed fractions and you then simplify.

The answer is 3/5.

What are the zeros of (x-2)(x^2-9)

Answers

So because the factors of the equation are (x-2), (x+3) and (x-3), you set them equal to zero and you get x=2, -3, and 3
                         (x - 2)(x² - 9) = 0
          (x - 2)(x² + 3x - 3x - 9) = 0
(x - 2)(x(x) + x(3) - 3(x) - 3(3)) = 0
                 (x - 2)(x - 3)(x + 3) = 0
x - 2 = 0  or  x - 3 = 0  or  x + 3 = 0
  + 2 + 2         + 3  + 3          - 3  - 3
     x = 2             x = 3             x = -3

The number 1,563,385 rounded off to the nearest million becomes

Answers

Well the nearest million would be 2 million.

That is because 563,385 is closer to 1 million than it is to 0. So you have to move up to the next million.
It becomes 2 millions because 5 is hot number

A cylinder has a volume of 112​ cubic centimeters and a radius of 4 centimeters. What is its height?

Answers

The height of the cylinder is 7 centimeters. The volume and radius of the cylinder were used to find the height using the formula for the volume of a cylinder.

The formula for the volume of a cylinder is given by V = πr²h, where r is the radius and h is the height.

Substituting the given values, we get:

112 = π(4²)h

Simplifying:

112 = 16πh

Dividing both sides by 16π:

h = 112 / (16π)

Using a calculator to evaluate this expression, we get:

h ≈ 0.55 cm

Therefore, the height of the cylinder is approximately 0.55 centimeters.

Learn more about cylinders here: brainly.com/question/16134180

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