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SpyIntel [72]
2 years ago
8

Help! M/J Grade 8 Pre-Algebra

Mathematics
1 answer:
OleMash [197]2 years ago
3 0

Answer: i dont know

Step-by-step explanation: i thought i did.

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How do I solve this problem
Ronch [10]

\overline{LK}\cong\overline{MK}\\LK=MK=7x-10\\KN=x+3\\MN=9x-11\\KJ=28\\\\MN=MK+KN\\\text{therefore we have the equation:}\\9x-11=(7x-10)+(x+3)\\9x-11=8x-7\ \ \ |+11\\9x=8x+4\ \ \ \ |-8x\\x=4

LJ=LK+KJ\\\\LK=7x-10\to LK=7(4)-10=28-10=18\\\\\text{therefore}\\LJ=18+28=46

Answer: LJ = 46.

4 0
3 years ago
The sum of two consecutive odd numbers is 52. what are the two odd numbers
schepotkina [342]
Let assume two consecutive odd numbers 2x+1 and 2x+3
It is given their sum is 52.
So we can write equation as
2x+1 + 2x+3 = 52
4x+4 = 52

On subtraction 4 on both sides of equation

4x+4 - 4 = 52-4
4x = 48
\frac{4x}{4} =  \frac{48}{4}
x = 12
So the numbers are
first number is = 2*12 + 1 = 25
Second number is = 2*12 + 3 = 27

So the required numbers are 25 and 27.
6 0
4 years ago
43.017 round to the nearest hundredth
spayn [35]

Answer:

43.02

Step-by-step explanation:

tens  ones.  tenths hundredths  thousandths

4          3     .   0          1                   7


The one is in the hundredths place, so we need to look at the 7

7>= 5 so we need to round the 1 up to 2

43.017 rounds to 43.02

7 0
3 years ago
Read 2 more answers
What is the surface area of the shape in the diagram?<br> 7 cm<br> 6 cm<br> 12 cm<br> 4 cm
QveST [7]
You need photos of the assignments/ question
6 0
3 years ago
Hi does anyone know the answer
damaskus [11]

Answer:

3.7

Step-by-step explanation:

3 0
3 years ago
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