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snow_tiger [21]
2 years ago
14

Why is it a good idea to check to see if your answer is reasonable?

Mathematics
2 answers:
Dahasolnce [82]2 years ago
4 0

Answer:

A. if your answer is reasonable, you have probably done the problem correctly

Step-by-step explanation:

monitta2 years ago
3 0

Answer:

D number option is the correct answer

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What does a proportion look like?
AURORKA [14]

A proportion looks like this:

a\div b = c\div d

It means that the quantity a,b,c and d are in the same proportion: the ratio between a and b is the same ratio between c and d.

They are particularly useful in situation when you have an example given, and you want to extrapolate the relationship for another couple.

For example, you can think of the following problem: "Five apples cost 2 dollars. How much will 8 apples cost?"

You can build the proportion

5\div 2 = 8\div x

And then solve it for x:

\dfrac{5}{2}=\dfrac{8}{x} \iff 5x=16 \iff x = \dfrac{16}{5} = 3.2

6 0
2 years ago
Let x = 4.<br><br><br><br> What is the value of y in the equation y = 15 + 11 + x?
marishachu [46]
Okay so you have to add up 15 and 11 and 4 so your answer is y=30


5 0
2 years ago
Slope of (-4, -3) and (14, 0)
rewona [7]

Answer:

slope of (-4,-3)- 0

slope of (14,0)- 2

Step-by-step explanation:

3 0
2 years ago
Evaluate the function for the given input values f(x)=3x-1 find f(2) f(2)=
Harman [31]

Answer:

f(2) =5

Step-by-step explanation:

We have a function f(x) = 3x-1

When we find f(2) ,let x=2

f(2) = 3*2-1

      = 6-1

    =5

8 0
3 years ago
Simplify 30 – 5(15 - 10). A. -55B. 125C.20D.5
Harrizon [31]

Simplify : 30 – 5(15 - 10).

Apply BODMAS :

B- Brackets

O-Of

D-Division

M-Multiplication

A-Adition

S-Subtraction

\begin{gathered} 30-5(15-10) \\ 30-5(5) \\ 30-25 \\ 5 \end{gathered}

Answer : D) 5

6 0
10 months ago
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