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dimaraw [331]
4 years ago
15

Please help ! Will mark brainliest!

Mathematics
1 answer:
kow [346]4 years ago
3 0

1/2^3 would be the answer!

Hope this helps!

You might be interested in
The sum of the roots of 3x 2 + 11x - 4 = 0 is<br><br> -11/3<br> -4/3<br> 11/3<br> 4/3
givi [52]

Answer:

The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0             .... (1)

Then the sum of the roots is -b/a and the product of roots is c/a.

The given equation is

3x^2+11x-4=0          ... (2)

From (1) and (2) we get a=3, b=11 and c=-4.

The sum of roots is

\frac{-b}{a}=-\frac{11}{3}

The sum of roots is -\frac{11}{3}.

Therefore the correct option is 1.

5 0
4 years ago
If the initial amount of iodine-131 is 537 grams , how much is left after 10 days?
viktelen [127]

Answer:

225.78 grams

Step-by-step explanation:

To solve this question, we would be using the formula

P(t) = Po × 2^t/n

Where P(t) = Remaining amount after r hours

Po = Initial amount

t = Time

In the question,

Where P(t) = Remaining amount after r hours = unknown

Po = Initial amount = 537

t = Time = 10 days

P(t) = 537 × 2^(10/)

P(t) = 225.78 grams

Therefore, the amount of iodine-131 left after 10 days = 225.78 grams

4 0
3 years ago
Which angles are vertical to each other ?
ankoles [38]

Answer:

5 and 7

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A factory-made 100,000 jars of peanut butter. 50,000 of the jars contained creamy peanut butter. What percentage of the jars of
snow_tiger [21]

Answer:

50%

hope this answer helps you!

3 0
3 years ago
5x+10=7x+4 what is the answer to this equation
Gennadij [26K]

<u>answer:</u>  x = 5

<u>work:</u>

5x+10=7x+4  | subtract 5x and move it over to the 7x, and solve

10 = 2x + 4  | subtract 4 and move it over to the 10, and solve

6 = 2x  | divide by 2

3 = x  | final answer

hope this helps! ❤ from peachimin

4 0
4 years ago
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