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olga_2 [115]
3 years ago
7

You have 30 quarters. You find ​20% more quarters in your room. Then you go shopping and spend ​75% of the total number of quart

ers. Write an expression to represent the total number of quarters you take with you shopping.​ Calculate, in​ dollars, the amount of money you have left.
Mathematics
2 answers:
Nadusha1986 [10]3 years ago
7 0

You have 27 quarters (6 dollars and 75 cents) left. You took 36  quarters when shopping.

just olya [345]3 years ago
7 0
27 quarters sidbsishshdbdhd dndjxjxjx
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The table below shows selected points from a function.
FrozenT [24]

Answer:

<em>True </em>

Step-by-step explanation:

<em>Rate Of Change Of Functions </em>

Given a function y=f(x), the rate of change of f can be computed as the slope of the tangent line in a specific point (by using derivatives), or an approximation by computing the slope of a secant line between two points (a,b) (c,d) that belong to the function. The slope can be calculated with the formula

\displaystyle m=\frac{d-b}{c-a}

If this value is calculated with any pair of points and it always results in the same, then the function is linear. If they are different, the function is non-linear.

Let's take the first two points from the table (1,1)(2,4)

\displaystyle m=\frac{4-1}{2-1}=3

Now, we use the second and the third point (2,4) (3,9)

\displaystyle m=\frac{9-4}{3-2}=5

This difference in values of the slope is enough to state the function is non-linear

Answer: True

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4 years ago
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3 years ago
Mei has 8 jars of soup. Each jar contains 300 milliliters of soup. What is the smallest pot Mei can use to heat all the soup.[PL
Kobotan [32]

Answer: A pot of 2400ml

Step-by-step explanation: Ok, mei has 8 jars, and each jar has 300ml of soup, so the total amount of soup is 8 times 300ml

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So the smallest pot that mei can use to heat the soup is a pot that has exactly that volume. 2400ml, (discarding the fact that the volume of the soup will change as it is heated up)

7 0
4 years ago
Question 11
dem82 [27]

Answer:

There were 49 questions on this Geometry test.

Step-by-step explanation:

You can start by setting up a proportion:

x = total number of questions on Geometry test

\frac{37}{x} = \frac{75.51}{100}

Now, to solve for x, cross multiply:

75.51x = 3700

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This is very close to 49.

3 0
3 years ago
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valentina_108 [34]

Answer:

12/16 is your answer.

Step-by-step explanation:

12/16=3/4 when reduce it is equivalent to 3/4.

12/16 is your answer.

4 0
3 years ago
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