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choli [55]
3 years ago
10

Ill mark brainlest need help asap

Mathematics
1 answer:
Assoli18 [71]3 years ago
4 0
Lin is moving faster than Andre because she covered more distance in the same amount of time as Andre.
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The half life of a particular radioactive substance is 1 year. If yiu started with 50 grams of this substance, how much of it wo
Alenkinab [10]

Answer:

Remaining amount is 6.25 grams

Step-by-step explanation:

I had the same question not to long ago

one year what you would be left with is 50/2 which is 25 gram

second year, you would be left with 50/4 which is 12.5

third year what's left is 50/8 i.e 6.25

5 0
3 years ago
Use the remainder theorem to find the remainder of 2x^4 + x^2 - 10x -1 divided by x +2.
I am Lyosha [343]

Answer:

The remainder is 55

Step-by-step explanation:

Let

p(x)= 2 {x}^{4}  +  {x}^{2}  - 10x - 1

According to the remainder theorem, if p(x) is divided by x+a, the remainder is p (-a).

The given divisor is x+2, therefore the remainder is given by:

p( - 2)

We substitute x=-2 to get:

p( - 2)= 2 {( - 2)}^{4}  +  {( - 2)}^{2}  - 10( - 2) - 1

We simplify to obtain:

p( - 2)= 2  \times 16 +  4  +  20- 1

We multiply to get:

p( - 2)=3 2  +  4  +  20- 1 = 55

Therefore the remainder is 55

4 0
3 years ago
What is the missing statement in step 4
Inga [223]
Is there a picture? I can't answer without knowing what you're asking
4 0
4 years ago
Read 2 more answers
Help, it’s quite confusing.
Olegator [25]
Lowkey, I'm not sure what this is. 
6 0
3 years ago
Solve for X<br><br> 4X-(9-3X)=8X-1
Nataliya [291]
4x - (9 - 3x) = 8x - 1

4x - (9) - -(3x) = 8x - 1

4x - 9 + 3x = 8x - 1

7x - 9  = 8x - 1        (-8x from each side)

-x - 9 = -1                (+9 to each)

-x = 8                     (divide -1 from each side)

x = -8
7 0
3 years ago
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