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Vanyuwa [196]
3 years ago
10

Simplify each expression involving signed numbers.

Mathematics
1 answer:
Kitty [74]3 years ago
6 0

Answer: Solving Problems Involving Rational Numbers Edgenuity 2020

-9

-8

-48

-6

Step-by-step explanation:

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Rona mixes 2 pounds of meat with some chopped vegetables to make a mixture. She divides the mixture into 4 equal portions. Each
vodomira [7]
Well if each portion is 3 pounds and there is 4 portions all together it would be 12 pounds. you already know know that the meat is 2 pounds so you subtract 2 from the whole and you are left with 10. The chopped vegetables are 10 pounds in total.
The answer is
4x3=12-2=10

6 0
3 years ago
Cheryl can travel 21.6 miles on one gallon of gas. How far can Cheryl travel on 6.2 gallons of gas? __________ miles
Nina [5.8K]
21.6 x 6.2 = 133.92

Cheryl can travel on 133.92 miles 
3 0
3 years ago
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Suppose that S is the set of successful students in a classroom, and that F stands for the set of freshmen students in that clas
lora16 [44]

Answer:

b) 24

Step-by-step explanation:

We solve building the Venn's diagram of these sets.

We have that n(S) is the number of succesful students in a classroom.

n(F) is the number of freshmen student in that classroom.

We have that:

n(S) = n(s) + n(S \cap F)

In which n(s) are those who are succeful but not freshmen and n(S \cap F) are those who are succesful and freshmen.

By the same logic, we also have that:

n(F) = n(f) + n(S \cap F)

The union is:

n(S \cup F) = n(s) + n(f) + n(S \cap F)

In which

n(S \cup F) = 58

n(s) = n(S) - n(S \cap F) = 54 - n(S \cap F)

n(f) = n(F) - n(S \cap F) = 28 - n(S \cap F)

So

n(S \cup F) = n(s) + n(f) + n(S \cap F)

58 = 54 - n(S \cap F) + 28 - n(S \cap F) + n(S \cap F)

n(S \cap F) = 24

So the correct answer is:

b) 24

3 0
3 years ago
Find the mean of this set of numbers.
Lilit [14]
The answer would C. You must remember for the mean you need to add up all of the numbers, then divide the answer by the number of numbers you have.
Ex:
5,3,7,2,1
All of these numbers added up together is 18.In order to find out the mean, we need to divide the answer(18) by 5 because there are 5 numbers.
Hope this helps!
4 0
3 years ago
In the equation y=ab^(x-h) +k how does the value of k affect the graph
Ainat [17]

Answer:

  • if k > 0 then the graph of the given equation will get shifted upward by k units.
  • if k< 0 then the graph of the given equation will get shifted downward by k units.

Step-by-step explanation:

We have been given the equation  y=ab^(x-h) +k and we have to state that how the value of k affect the graph.

We know that if we add/subtract some constant in the function value then the translation of the parent graph occurs in the vertical direction.

In other words, the parent graph either get shifted upward or downward depends on the value of the constant.

Therefore, we have

  • if k > 0 then the graph of the given equation will get shifted upward by k units.
  • if k< 0 then the graph of the given equation will get shifted downward by k units.
3 0
3 years ago
Read 2 more answers
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