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2 years ago

A pastry chef can create 18 muffins in 2 hours. What is the unit rate per minute at which this pastry chef can create muffins?

Mathematics

2 answers:

rosijanka [135]2 years ago

4 0

Answer:

0.15 min

Step-by-step explanation:

60 x 2 = 120

18/120=0.15

Alja [10]2 years ago

3 0

18 muffins in 2 hours
We want minutes
Tell me how many minutes in 2 hours

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On Tuesday at 8:00am the temperature was 38 degrees. By 2:30pm, the temperature had fallen to (-12). What was the total drop in

steposvetlana [31]

Answer:

26 degrees

Step-by-step explanation:

so you do 8:00 - 2:30 which is 5:70. then you subtract 12 from 38 to get 26. The total drop was 26 degrees!

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3 years ago

Prove algebraically that r = 10/2+2sinTheta is a parabola

Xelga [282]

Answer:

$y = - \frac{ 1 }{10} {x}^{2} + \frac{5}{2}$

Step-by-step explanation:

We want to prove algebraically that:

$r = \frac{10}{2 + 2 \sin \theta}$

is a parabola.

We use the relations

${r}^{2} = {x}^{2} + {y}^{2}$

and

$y = r \sin \theta$

Before we substitute, let us rewrite the equation to get:

$r(2 + 2 \sin \theta) = 10$

$r(1+ \sin \theta) = 5$

Expand :

$r+ r\sin \theta= 5$

We now substitute to get:

$\sqrt{ {x}^{2} + {y}^{2} } + y = 5$

This means that:

$\sqrt{ {x}^{2} + {y}^{2} }=5 - y$

Square:

${x}^{2} + {y}^{2} =(5 - y)^{2}$

Expand:

${x}^{2} + {y}^{2} =25 - 10y + {y}^{2}$

${x}^{2} =25 - 10y$

${x}^{2} - 25 = - 10y$

$y = - \frac{ {x}^{2} }{10} + \frac{5}{2}$

This is a parabola (0,2.5) and turns upside down.

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3 years ago

Imagine you are having a potluck at your church this week. You are going to bring a dessert to share. This project includes a re

harina [27]

Answer: You will need to multiply them by 5

Step-by-step explanation: 120÷24=5. So you would need to multiply all ingredients by 5 to get enough for 120 people.

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3 years ago

Which function is represented by the graph?

Arisa [49]

Answer:

D the answer it D I just did this

Step-by-step explanation:

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2 years ago

Really Need Help ! ASAP

SCORPION-xisa [38]

Answer:

hope the above solution will help you

5 0

3 years ago