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likoan [24]
3 years ago
12

Help!!!!!! 15 Points!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Pie3 years ago
5 0
Cos-1(2/5)= 66.4 degrees
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Using like terms simplify-k+2(-2k-5)
MrRa [10]

Answer:

-5k-10

Step-by-step explanation:

- k + 2 (- 2k - 5) = - k - 4k - 10 = - 5k - 10

5 0
3 years ago
What is the value of f(x)=-4 ?
Gala2k [10]
Answer : 2

Step by step walkthrough:
7 0
3 years ago
Briefly Explain what is a dependent varieble and an independent varieble.
Nikolay [14]
<span>An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age. In fact, when you are looking for some kind of relationship between variables you are trying to see if the independent variable causes some kind of change in the other variables, or dependent variables.

</span><span>Just like an independent variable, a dependent variable is exactly what it sounds like. It is something that depends on other factors. For example, a test score could be a dependent variable because it could change depending on several factors such as how much you studied, how much sleep you got the night before you took the test, or even how hungry you were when you took it. Usually when you are looking for a relationship between two things you are trying to find out what makes the dependent variable change the way it does.
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*Hope I helped!*
4 0
3 years ago
In Belmont it snowed 1 3/8 inches in the morning and 4 3/8 inches in the afternoon . What was the total amount of snowfall?
Alja [10]
<h2>Answer:</h2>

5 3/4 inches

<h2>Step-by-step explanation:</h2><h3>Known :</h3>
  • It snowed 1 3/8 in the morning
  • It snowed 4 3/8 in the morning

<h3>Asked :</h3>
  • The total amount of the snowfall

<h3>Solution :</h3>

We can add the amount of snowfall in Belmont in the afternoon and in the morning to find the total amount of snowfall.

4 3/8 + 1 3/8

= (4 + 1) + (3/8 + 3/8)

= 5 + 6/8

= 5 6/8

= 5 3/4

<h3>Conclusion :</h3>

The total amount of snowfall is 5 3/4 inches

8 0
3 years ago
A recipe for a large batch of cookies calls for 15 cups of flour are you have to measure is a container marked with ounces how m
9966 [12]

Answer:

Assuming this is in the US, you would need 120 fluid ounces of flour.

Step-by-step explanation:

In the US, a cup is 8 ounces. Thus, you simply multiply the cups of flour by 8 to get 120 fluid ounces.

4 0
3 years ago
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