Samantha can make 15 pizzas in 2.5 hours. What is Samantha's rate per

Mathematics

1 answer:

anyanavicka [17]3 years ago

5 0

Samantha can make 48 pizza’s in an 8 hour work day.

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Justify each step in solving the equation 4X equals seven times X -3

torisob [31]

4x = 7(x-3)

1. Distribute that multiplicand 7: 4x = 7x - 21

2. Group the x terms together: Subtract 4x from both sides: 0 = 3x - 21

3. Solve for x: Add 21 to both sides: 21 = 3x

4. Divide both sides by 3 to obtain x = 7 (answer)

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3 years ago

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Which number produces a rational number when added to 0.3?

Monica [59]

A rational number is an algebraic term expressed as a fraction. The fraction can also be in decimals but only if the decimal places are not repeating or not infinitely long. If they aren't, then these are called irrational numbers.

Let's try each of the choices:

A. The term 2/4 is a rational number. Now, when 0.3 or 3/10 is added to it, the sum would be 4/5 or 0.8. This is a rational number.

B. √7 is an irrational number because its exact value is 2.645751311.... Even if you add 0.3 to it, the answer would still be irrational

C. Obviously, this is an irrational number

D. The exact value of π is <span>3.14159...... If 0.3 is added to it, the answer would be 3.441592654. This is irrational.

Therefore, the answer is A.</span>

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3 years ago

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Describe an example of a situation when the graph would be represented with a constant interval.

timofeeve [1]

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during intesrt amrkets

Step-by-step explanation:

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3 years ago

Find a number C such that the polynomial p(x)= -x+4x^2+Cx^3-8x^4

Ksenya-84 [330]

Answer:

C = 2

Step-by-step explanation:

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3 years ago

Montrell saves 8% of each paycheck for his college fund. This week he saved $18.80 from his paycheck, how much was he paid?

castortr0y [4]

8% of x = $18.80
x = 18.80/8%
x = 18.80/0.08
x = $235

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3 years ago