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raketka [301]
3 years ago
8

Mr Murray’s distance away (in meters) from his classroom after t seconds can be modeled by the following equation: M(t) = 3.5t +

2. After 3 seconds, how far is Mr Murray away from his classroom?
Mathematics
1 answer:
Vaselesa [24]3 years ago
5 0
Substitute the given value of three into the equation so that it becomes

M= 3.5*3+2

M= 12.5

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Plz answer this!!! A triangle with sides 11 m , 13 m and 18 m is a right triangle. True or false
Nata [24]

Answer:

It depends on what sides equal which measurement. But it could be true.

6 0
3 years ago
The cake density is 0.454 ounce per cubic inch and the fair price is $0.20 per ounce. What should be a fair price for each cake?
aleksklad [387]

Answer:

price = x * 0.2

or

price = x * 0.454 * 0.2

Step-by-step explanation:

In this case we must know either the mass of the cake or its volume.

Given the case that we know the mass of the cake, it would be:

price = x * 0.2

where x is the mass of the cake in ounces, that is to say if for example a cake has a mass of 10 ounces, it would be:

price = 10 * 0.2 = 2

which means that each cake costs $ 2

Given the case of the volume, we must first multiply the density by this volume in order to calculate the mass and finally the price.

price = x * 0.454 * 0.2

where x is the volume of the cake in cubic inches, if for example the volume is 10 cubic inches it would be:

price = 10 * 0.454 * 0.2 = 0.908

which means that each cake costs $ 0.9

5 0
3 years ago
What is decrease £20 by 15%
Charra [1.4K]
15\%\cdot\pounds20=0.15\cdot\pounds20=\pounds3\\
\pounds20-\pounds3=\pounds17
3 0
3 years ago
Read 2 more answers
What expression is equivalent to 10(2p+q)
boyakko [2]
There aren't any answer options so I will just simplify the expression:
10(2p+q)
20p+10q

7 0
3 years ago
According to​ psychologists, IQs are normally​ distributed, with a mean of 100 and a standard deviation of 15 . a. What percenta
Angelina_Jolie [31]
Answer: 34%.

By definition of normal distribution, ≈68% of the data is within 1 standard deviation of the mean. Therefore 68% of IQs are between 85 and 115, and half of that is on the lower end, 85 to 100.
3 0
3 years ago
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