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iVinArrow [24]
3 years ago
10

Ned calculated 17 divided by 4=4.25.Use estimation to see if her answer is reasonable.How con you use multiplication to check hi

s answer?
Mathematics
1 answer:
yanalaym [24]3 years ago
8 0
Do 4.25x4 and if it equals 17 he is correct, otherwise he is incorrect
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7x-4y=-7 5x+y=22 please show work
Keith_Richards [23]
What exactly are you finding 

3 0
3 years ago
1 and 16/24 + 1 and 21/24
AlexFokin [52]

Answer:

turn into improper fractions

1*24+16=40

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1*24+21=45

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40/24+45/24=85/24

work out how many times 24 goes into 85 to get back to a mixed number.

24 goes into 85 three times with 13 left over so the answer is

3 and 13/24

6 0
2 years ago
I WILL GIVE BRAINLIEST TO WHOEVER IS CORRECT
KatRina [158]
-2, 3 is the correct answer
3 0
3 years ago
Read 2 more answers
After a 40% discount the cost of a sofa is $471 what was the original cost of the sofa?
sp2606 [1]

100% - 40% = 60%, meaning the discounted price is really just 60% of the original 100% price, let's say the 100% price is hmmmm "x".

if 60% of the original price is $471, what is the 100% or namely "x"?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 471&60\\ x&100 \end{array}\implies \cfrac{471}{x}=\cfrac{60}{100}\implies \cfrac{471}{x}=\cfrac{3}{5}\implies 2355 = 3x \\\\\\ \cfrac{2355}{3}=x\implies 785=x

8 0
2 years ago
Use the parabola tool to graph the quadratic function.<br><br> f(x)=2x^2+12x+16
viva [34]
The first thing you should know is that you need three points to be able to graph a second degree equation.
 You can create a table and plot several points to obtain the parabola
 In this case we will use a computational tool called wolfram alpha
 Answer: 
 See attached image.
 The graph is shown for two different intervals of the domain.

7 0
3 years ago
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