MATHEMATICS MIDDLE SCHOOL

I’m on problem #2. I need help because this is worded weird. Would I multiply all of those ingredients by 10? Or add them all together then multiply by 10? Please help me!
I’m on problem #2. I need help because this is - 1

Answers

Answer 1
Answer:

Answer:

$3.33

Step-by-step explanation:

The costs listed are the cost for the total dinner (all 10 people).  You need to add up all the costs, then divide by 10 to find the cost per person.

12.50 + 2.29 + 1.89 + 2.47 + 1.29 + 1.65 + 2.25 + 8.98 = 33.32

33.32 / 10 = 3.332

Rounded to the nearest cent, each serving costs $3.33.
Answer 2
Answer:

Answer:

Hello there, you would multiply.

Step-by-step explanation:

You can't add by 10 if there are 10 more people, because all the ingredients would have to be timed

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The cross section of a metal ingot is a trapezoid. The cross section has an area of 39 square centimeters. The top base of the cross section is 12 centimeters. The length of the bottom base is 2 centimeters greater than the top base. How tall is the metal ingot?

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A park charges $7.50 per hour to rent a bike. The table shows the relationship between the number of hours, h, and the total cost, c. With the information in the table, which expression can be used to find c?

Answers

C=7.50h. C represents cost and h represents the amount of hours. The cost per hour is 7.50.

Answer:

let n be no of hours

7.5x n = c

Step-by-step explanation:

in a walk for charity, you walk at a rate of 100 meters per minute. how long does it take to walk 2 kilometers?

Answers

The rate that you are walking at is 100 meters per minute. In two kilometres there are 2000 meters. It takes 10 min to walk one kilometre. Therefore the answer is 20 minutes. Just divide 2000 by 100 to get the time

To walk 2 kilometers, it will take a total of 20 minutes.

If 1 kilometer is 1000 meter. 2 kilometers will be 2000 meters.

Divide 2000 meters by 100 to get how long it will take to walk 2 km.

2000/100=20

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All professional athletes earn a lot of money.Wes plays professional football so he makes a lot of money. What type of reasoning is this ?

Answers

This is an example of deductive reasoning.

Deductive reasoning is when a conclusion is reached based on logic.The first statement says that football players make a lot of money. Since Wes plays football logically it follows that he makes a lot of money. 

Suppose f(x) =
{x}^(2)
. What is the graph of g(x)=1/2f(x)?​

Answers

Option-D will represent the required graph of the function g(x) = (1)/(2)f(x).

What is a function?

"A function is defined as a relation between a set of inputs having one output each."

The given function:

f(x) = x^(2)

Therefore the required function is:

g(x)\n= (1)/(2)f(x)\n= (1)/(2)x^(2)

By putting the values of 'x' as -2, -1, 0, 1, 2 etc. we get:

g(-2) = (-2)^(2) = 4\n g(-1) = (-1)^(2) = 1\n g(0) = (0)^(2) = 0\n g(1) = (1)^(2) = 1\n g(2) = (2)^(2) = 4

By plotting this value, we get option-D is the graph that represents the function g(x).

Learn more about a function here: brainly.com/question/12251916

#SPJ2

Answer:

It's D.

Step-by-step explanation:

The 1/2 stretches the graph horizontally of x^2 by a factor 1/2.

In right triangle ABC, where C is the right angle : b = 12 and B = 33°. Find A, a, and c to the nearest tenth.

Answers

Answer:

A= 57° , a= 7.79  and c = 14.30

Step-by-step explanation:

In a given right triangle,

We have, b =12 ,B =33° and C =90°

We can find Angle A.

Angle sum property of triangle:

i.e A + B + C = 180°

A + 33° + 90° = 180°

A = 57°

Next, by using trigonometry

tanB = Perpendicular /Base  = a /b

Here B =33° , a = ? , b = 12

So, tan 33° = a/12

0.6494 = a/12

a = 7.79

So we got a and b. By using Pythagoras theorem we determine c.

c^2 = a^2 + b^2

c^2 = 7.79^2 + 12^2

c = √(2046841) = 14.30
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