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ss7ja [257]
2 years ago
6

A sample contains 300 grams of carbon-11, which has a half-life of 20 minutes.

Mathematics
1 answer:
vladimir2022 [97]2 years ago
8 0

Answer:

Step-by-step explanation:

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I need help!!! Parallel lines p and q are cut by two non parallel lines m and n as shown in the figure the value of x is degrees
S_A_V [24]

Answer:

x = 78° , y = 115°

Step-by-step explanation:

The angle adjacent to x on the left side is corresponding to 102° , then

x = 180° - 102° = 78°

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y and 115° are corresponding angles and congruent, then

y = 115°

8 0
3 years ago
Can somebody please help me?
9966 [12]

28+28+28= 84

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hope it helps!:)

4 0
2 years ago
What will be the result of substituting 2 for x in both expressions below?
den301095 [7]
Both expressions equal 5 when substituting 2 for x because the expressions are equivalent. Hope this helped :D
4 0
3 years ago
If AB = x+ 4, BC = 2x -10 and AC
lawyer [7]

Answer:

15

Step-by-step explanation:

By the diagram, you can see the sum of segment AB and segment BC is segment AC. Adding the given expressions for AB and B is 3x-6. Simplifying the equation 3x-6=2x+1, gives x=7. Substituting x=7 in the equation for segment AC gives 15.

8 0
3 years ago
A rope is at least 21 feet long. You want to cut it into 3 pieces. The second piece is to be twice as long as the first piece,an
Yuri [45]

Answer:

the first piece of rope would be 4 feet

Step-by-step explanation:

4 + 8 + 9 = 21

5 0
3 years ago
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