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malfutka [58]
3 years ago
13

Which expression is equivalent to 6 (3.1 + 4)?

Mathematics
1 answer:
yawa3891 [41]3 years ago
7 0

Answer: 42.6

Step-by-step explanation:

First you would  distribute the outer number to all the inner numbers:

6*3.1 + 6*4 = 18.6 + 24

Next you would add the numbers you just got:

18.6 + 24 = 42.6

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Find the value of each expression. Show your work. 10c4
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I think you forgot to add the other part of the question
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3 years ago
What is the value of "c" in the following quadratic? (Make sure the equation is in
garri49 [273]

               \rule{50}{1}\large\blue\textsf{\textbf{\underline{Given question:-}}}\rule{50}{1}

           <em>What is the value of c in the quadratic </em>\large\text{$x^2+28=-11x$}?

          \rule{50}{1}\large\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}

           Before starting to solve, you should notice something - the

quadratic is not in its standard form!

We can easily fix it by adding \large\textit{11x} on both sides:-

\large\text{$x^2+28-11x=0$}

We can switch the order of 28 and -11x:-

\large\text{$x^2-11x+28=0$}

  Now, the quadratic is in its standard form, so we can get down to

finding the value of "c".

Remember, the standard form of a quadratic looks like so:-

  •  \large\text{$ax^2+bx+c=0$}

Now we can just write our <u>quadratic</u> here:-

  • \large\text{$x^2-11x+28=0$}

Now, can you see what the value of "c" is?

An easy way to <u>remember</u> "c" in quadratics is:-

The "c" in quadratics is the constant.

   

Henceforth, we conclude that the value of "c" in the given quadratic is:-

 \Large\textbf{28}\Large\checkmark

<h3>         Good luck with your studies.</h3>

        \rule{50}{1}\smile\smile\smile\smile\smile\smile\rule{50}{1}    

5 0
2 years ago
A circular flower bed is 17 m in diameter and has a circular sidewalk around it that is 2 m wide. Find the area of the sidewalk
djverab [1.8K]

Answer: 56.55 m^2

Step-by-step explanation:

4 0
3 years ago
So far, Rachel has burned 117.2 calories. She wants to burn a total of 300 calories. How many more calories must Rachel burn?
Wittaler [7]

Answer:

Step-by-step explanation:

No of calories Rachael burns = 117.2

No of calories Rachael has to burn = 300

Remaining calories = 300 - 117.2 = 182.8

6 0
3 years ago
A class consists of 55% boys and 45% girls. It is observed that 25%
xeze [42]

Answer:

B 0.4545

Step-by-step solution

25/100 are boys and got an A

35/100 are girls got an A

so there are 25/55 students that got an a

if you convert to decimal its

0.4545...

8 0
3 years ago
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