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3 years ago

Draw a quick pic to show 2.46+0.78

2 answers:

4 0

2.46+0.78=? Ok first take the decimal points out so 2.46 becomes into 246 then 0.78 becomes 78

246
+ 78
-------
324

NOW put the decimal point back in which becomes 3.24. So, 2.46+0.78= 3.24

?= 3.24

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Mashcka [7]3 years ago

3 0

Just draw like the 2 hundredths, 4 tens, and 6 ones
And then draw 7 tens and 8 ones

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Rasida ran 5 more miles than 2 times the number of miles Diallo ran this week. Rasida ran 27 miles this week.

Sholpan [36]

Answer:

Step-by-step explanation:

Rasida ran 27 miles total. she ran 5 more miles than double what Diallo ran.

27-5=22

Now divide 22 by 2 to get how many miles Diallo ran.

7 0

2 years ago

Find the volume of the following solid. The solid between the cylinder f(x,y)equals=e Superscript negative xe−x and the region

PilotLPTM [1.2K]

It is hard to comprehend your question. As far as I understand:

f(x,y) = e^(-x)

Find the volume over region R = {(x,y): 0<=x<=ln(6), -6<=y <= 6}.

That is all I understood. It would be easier to understand with a picture or some kind of visual aid.

Anyways, to find the volume between the surface and your rectangular region R, we must evaluate a double integral of f on the region R.

$\iint_{R}^{ } e^{-x}dA=\int_{-6}^{6} \int_{0}^{ln(6)} e^{-x}dx dy$

Now evaluate,

$\int_{0}^{ln(6)}e^{-x}dx$

which evaluates to, 5/6 if I did the math correct. Correct me if I am wrong.

Now integrate this w.r.t. y:

$\int_{-6}^{6}\frac{5}{6}dy = 10$

So,

$\iint_{R}^{ } e^{-x}dA=\int_{-6}^{6} \int_{0}^{ln(6)} e^{-x}dx dy = 10$

7 0

2 years ago

Challenge: You buy 3.19 pounds of Oranges, 1.25 pounds of Grapes, and 1.82 pounds of Pears. What is your total bill?

cluponka [151]

Answer:

3.17 pounds of apples

1.25 pounds of pears 2

2.56 pounds of oranges

add = 7.98

I think...?

;-;

4 0

3 years ago

Read 2 more answers

Find the range of the product. 34 x 47

stepladder [879]

34 x 47 = 1598 so that’s the range

7 0

3 years ago

GUYS HELP PLSS, I SWTG

n200080 [17]

Step-by-step explanation:

#1 equals 1 1/4

The common denominator for 1/6, 2/3, and 5/12 would be 12. So I made the denominators 12 which means 1/6 would turn into 2/12, 2/3 turns into 8/12, and 5/12 stays the same. When I add them all up I get 15/12. I can turn that into a mixed number which would be 1 3/12. I can simplify that down to 1 1/4.

#2 equals 3/4

The first thing you have to do is turn 2 2/3 and 1 3/4 into improper fractions. Which would turn 2 2/3 into 24/3 and 1 3/4 into 21/12. The next thing is you have to find a common denominator which would be 12. Next you have to turn the denominators into a 12 and change the numerator. Which makes the fractions: 24/12, 6/12, and 21/12. When you add 24/12 and 6/12 together you get 30/12 minus 21/12 you get 9/12. You can then simplify that to 3/4. 

#3 equals -1 17/36

The first thing you do is turn 3 5/18 into an improper fraction which would be 59/18. then you find a common denominator which would be 36 and make the denominators of those numbers into 36 which would be 11/36, 54/36, and 118/36. When you add up 11/36 and 54/36 you get 65. but when you - 65 by 118 you get -53 / 36. you can lend turn that into -1 17/36. 

I'm not sure about number 4 and I don't want to give you the wrong answer. Hopefully what I did show you helped!

4 0

2 years ago