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Step2247 [10]
3 years ago
8

Round the following problems to the nearest hundred.

Mathematics
2 answers:
AlekseyPX3 years ago
7 0
1. 200
2. 400
3. 400
4. 400
5.700
6.500
MatroZZZ [7]3 years ago
4 0

Answer:

1. 200

2. 400

3. 400

4. 400

5. 700

6. 500

Step-by-step explanation:

When rounding to the nearest hundred, look at the TENS DIGIT of the number.

If that digit is 0, 1, 2, 3, or 4, you will round down to the previous hundred.

If that digit is 5, 6, 7, 8, or 9, you will round up to the next hundred.

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The sum of two numbers is thirteen, and the sum of<br> their squares is 89. Find the two number
Murljashka [212]

Answer:

Suppose~that~the~two~numbers~are~x~and~y.\\According~to~question,\\Sum~of~the~numbers = 13\\or, x+y=13........(1)\\or, y = 13-x.......(2)\\Again,\\Sum~of~their~squares=89\\or, x^2+y^2=89\\or, (x+y)^2-2xy=89\\From~eq^n(1)~and~(2),\\13^2-2x(13-x)=89\\or, 169-26x+2x^2=89\\or, 2x^2-26x+169-89=0\\or, 2x^2-26x+80=0\\or, x^2-13x+40=0\\or, x^2-8x-5x+40=0\\or, x(x-8)-5(x-8)=0\\or, (x-5)(x-8)=0\\i.e. x=5~or~8\\When~x=5,~y=13-x=13-5=8\\When~x=8,~y=13-x=13-8=5\\So,~the~two~numbers~are~5~and~8.

8 0
3 years ago
(PLS HELP?) Quadrilateral WXYZ is a rectangle. The perimeter of triangle XYZ=24, XY+YZ=5x-1, and XZ=13-x. Find the length of WY.
otez555 [7]
P_{\Delta XYZ}=24;\ |XY|+|YZ|=5x-1;\ |XZ|=13-x\\\\P_{\Delta XYZ}=|XY|+|YZ|+|XZ|\\\\subtitute\\\\24=(5x-1)+(13-x)\\\\5x-1+13-x=24\\\\4x+12=24\ \ \ |subtract\ 12\ from\ both\ sides\\\\4x=12\ \ \ \ |divide\ both\ sides\ by\ 4\\\\x=3\\\\WXYZ\ is\ a\ rectangle\ therefore\ |WY|=|XZ|\\\\|WY|=13-x\\\\Answer:\boxed{|WY|=13-3=10}
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3 years ago
Correct answer gets brainliest
Igoryamba

Witch one do you need help with?

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3 years ago
300 x 10 explain step by step like that I did this now please
postnew [5]

3000

Step-by-step explanation:

when you multiply by a ten (10, 100, 1000, etc.), just add a zero for each zero. it's the same when you divide: for every zero in the ten, you remove a zero.

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2 years ago
Reshawn is buying 3 books in a trilogy set for $24.81. He will save $6.69 by buying the trilogy set instead of buying individual
gulaghasi [49]

$10.50

Explanation:

Let x be the cost of the individual books. Then 24.81=3x−6.69

3x= 24.81+ 6.69 =31.50

x=31.50/3=10.50

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