MATHEMATICS MIDDLE SCHOOL

How many centimeters are there in 3.5 inches?
1 inch = 2.54 cm

Answers

Answer 1
Answer: there are 8.89 centimeters in 3.5 inches
Answer 2
Answer: 3.5 inches* (2.54 cm/ 1 inch)= 8.89 cm.
(Note that the unit cancels out so you get the answer)

The answer is 8.89 cm~

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Heeeeeeeeeelp......​

Answers

Answer:

x+7

Step-by-step explanation:

So it's been a while since I took Geometry, so I don't know what principle makes these angles equal to each other, but I know that they are in fact equal. So that means that 6x +3 = 45. Subtract 3 from each side gets you 42+6x, then divide each side by 6, which gets you your answer of x=7.

Round 19.98 to the nearest whole number

Answers

19.98 rounded to the nearest whole number is 20. 
In the number 19, 9 round the 1 to a 2 and the 9 becomes a 0 because of the 9 behind the decimal. 
OR
You could think of a percent being 100. 98 is only 2 numbers away from 100 and thus you can round 19 up to 20.

Hope this helps! (:
The answer is 20. To make problems like this easier for you to understand, if the number is greater than 5 round up. If the number is 4 or less, round down.
 I hope you get what I am saying.

3.Adriana is downloading a file and notices this image. How
much of the file has been downloaded?
Total 32 KB
40% downloaded

Answers

40%, or 4/10 has been downloaded

Answer/Step-by-step explanation:

40%, or 4/10 has been downloaded

|(8.6x107):(9.1x10-8)

Answers

Answer:

9.45054*10^(14)

Step-by-step explanation:

we have

(8.6*10^(7) )/(9.1*10^(-8))=(8.6)/(9.1)*( 10^(7))*(10^(8))\n \n= (8.6)/(9.1)*( 10^(7+8))\n \n= (8.6)/(9.1)*( 10^(15))\n \n=0.945054*( 10^(15))\n \n=9.45054*10^(14)

Answer:

\large\boxed{9.45\cdot10^(14)}

Step-by-step explanation:

(8.6*10^7):(9.1*10^(-8))\n\n=(8.6)/(9.1)\cdot(10^7)/(10^(-8))\qquad\text{use}\ (a^n)/(a^m)=a^(n-m)\n\n=(86)/(91)\cdot10^(7-(-8))\n\n=(86)/(91)\cdot10^(7+8)\n\n=(86)/(91)\cdot10^(15)\n\n\approx0.945\cdot10^(15)\n\n=9.45\cdot10^(-1)\cdot10^(15)\qquad\text{use}\ a^n\cdot a^m=a^(n+m)\n\n=9.45\cdot10^(-1+15)\n\n=9.45\cdot10^(14)

a video game enthusiast saved $750 to spend on a video game player and games. The player costs $400. the games cost $49 each. at most, how many games can the enthusiast buy along with the player

Answers

the answer is you could by 6 games. mostly because you would have 10 dollors left . so now you can add me as a friend my name is angel1600 yessss.

What is the value of 2x to the third power+4x to the second power 3x to the second power-6x when x=3?

Answers

Hi! So to solve for these, all you have to do is keep PEDMAS in mind. For example, for 2x^3 (Just a fancy way of writing "to the third power") first plug in 3: 2(3)^3 and take it to the third power because E (exponent) comes before M (multiplication) in PEDMAS. You should get 2(27) which then equals 54. Hope this helps:)
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