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FromTheMoon [43]
2 years ago
5

Solve the following system of equations. Carefully show how you arrived at your answers.

Mathematics
1 answer:
____ [38]2 years ago
7 0

Answer:

um

Step-by-step explanation:

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Simplify (Remember to simplify means to write an equivalent expression that uses each variable on')
DaniilM [7]

Answer:

A) x^{3} y^{4}

B) -\frac{5x^{2} }{y}

C) 9m^{4}n^{4}

D)\frac{1}{x^{3} }

Step-by-step explanation:

Hope this helps.

6 0
2 years ago
The roosevelt middle school band is having a fundraiser. They sold a total of 300 hotdogs and hamburgers. Hot dogs were sold for
STALIN [3.7K]

Answer:

180 hamburgers

120 hotdogs

Step-by-step explanation:

In this question, we are asked to calculate the number of hamburgers and hotdogs sold by a company given the amount made by them and the total number of these snacks sold

We proceed as follows;

Let the amount of hotdogs sold be x and the amount of hamburgers sold be y.

We have a total of 300 snacks sold, mathematically;

x + y = 300 ..........(I)

Now let’s look at the prices.

x number of hotdogs sold at $2, this give a total of $2x hotdogs

y number of hamburgers sold at $3, this give a total of $3y.

Adding both to give total, we have ;

2x + 3y = 780.......(ii)

This means we have two equations to solve simultaneously. From equation 1, we can say x = 300 -y

Now let’s insert this in the second equation;

2(300-y) + 3y = 780

600-2y + 3y = 780

y = 780-600 = 180

Recall; x + y = 300

x = 300 -y

x = 300-180 = 120

5 0
2 years ago
Read 2 more answers
What is 25.7 in scientific notation?​
NISA [10]

Answer:

2.57 x 10^1

is the scientific notation of 25.7

8 0
2 years ago
In a standard normal curve, what percentile corresponds to a z-score of 2.0?
Alja [10]
The percentile that corresponds to Z=2 is about 97.7.

4 0
2 years ago
Plssssssssssssssss help me
Romashka-Z-Leto [24]
Square prism

because of the two squares on the side and it’s a prism not a pyramid because it just isn’t lol
8 0
2 years ago
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