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Arada [10]
4 years ago
10

Round 13.2 to a whole number

Mathematics
2 answers:
omeli [17]4 years ago
8 0
13 because decimal is 4 or below let it rest or 5 or more go up one more
MAVERICK [17]4 years ago
7 0
13.... the tenth decides if it goes up or down... 5+ next number, 4- you leave the whole number and erase the decimals.
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[(y+4)/(y+7)]+1=(y+3)/(y+1)
Sunny_sXe [5.5K]
<span>First note that y cannot equal -7 or -1 as division by zero is undefined.  So that if it comes up in our solution we know that it is not a real solution.

[(y+4)/(y+7)]+1=(y+3)/(y+1)  make the left side have a common denominator

(y+4+y+7)/(y+7)=(y+3)/(y+1)  combine like terms on left side

(2y+11)/(y+7)=(y+3)/(y+1)  cross multiply 

(2y+11)(y+1)=(y+3)(y+7)  expand

2y^2+13y+11=y^2+10y+21  subtract y^2 from both sides

y^2+13y+11=10y+21  subtract 10y from both sides

y^2+3y+11=21 subtract 21 from both sides

y^2+3y-10=0  expand so factoring is easier

y^2-2y+5y-10=0  factor

y(y-2)+5(y-2)=0  which is equal to

(y+5)(y-2)=0

y=-5 or 2</span>
6 0
3 years ago
_______ uses properties of similar polygons to find distances or lengths that are difficult to measure directly
BlackZzzverrR [31]

Indirect measurement uses properties of similar polygons to find distances or lengths that are difficult to measure directly

3 0
4 years ago
one rectangle has a length 10 cm and width 5 cm the second rectangle has length 12 cm and width 4 cm are the two rectangles simi
tatuchka [14]

Answer:

No, they aren't similar.

Step-by-step explanation:

<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

\frac{10}{5} = \frac{12}{4}

=> 2 ≠ 3

So, they are not similar.

8 0
4 years ago
Figure A maps to figure B with a scale factor of point 8
stepan [7]

Answer:

Please you didn't provide the coordinates of figure A and figure B, only the scale factor. If you provide the coordinates,I will be able to solve it.

Thank you.

5 0
3 years ago
if there is a number 6 in the tens digit, 3 in the ones place, 1 in the tenths place and 8 in the hundred the place the number i
Vesna [10]

Answer:

brainliest answer

Step-by-step explanation:

63.81 if 8 was in the hundredths place

863.1 if 8 was in the hundreds place

7 0
3 years ago
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