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ryzh [129]
3 years ago
15

*

Mathematics
2 answers:
jasenka [17]3 years ago
6 0

Answer:

- 14 = integer \\ 1.758 = rational

plzz mark it as brainliest..

MissTica3 years ago
3 0
1. Integer

2. Rational
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8/25 write as a percent
emmainna [20.7K]
32%, because you divide 8 by 25, which is 0.32. You then multiply it by 10 to achieve the percentage.
6 0
3 years ago
Solve the equation. -11=1+3r+3
luda_lava [24]

Answer:

r = -5

Step-by-step explanation:

-11 = 1+3r+3

-11 = 3r + 4

3r = -15

r = -5

7 0
3 years ago
The half-life of radioactive cobalt is 5.27 years. Suppose that a nuclear accident has left the level of cobalt radiation in a c
sweet [91]

Answer:

  35 years

Step-by-step explanation:

The proportion p that remains after y years is ...

  p = (1/2)^(y/5.27)

In order for 1/100 to remain (the level decays from 100 times to 1 times), we have ...

  .01 = .5^(y/5.27)

  log(0.01) = y/5.27·log(0.5) . . . take logs

  y = 5.27·log(0.01)/log(0.5) ≈ 35.01 ≈ 35 . . . . years

5 0
3 years ago
Will mark brainliest! Please help!
ValentinkaMS [17]

Answer:

The dimensions are:

3(2x+1) by (7x+5)

Step-by-step explanation:

The area of the rectangle is given as

A=42x^2+51x+15

The factored form of this quadratic trinomial gives the dimensions of the rectangle.

We factor 3 first to obtain;

A=3(14x^2+17x+5)

We split the middle term to get;

A=3(14x^2+10x+7x+5)

We factor within the parenthesis to get;

A=3(2x(7x+5)+1(7x+5))

We factor further to get;

A=3(2x+1)(7x+5)

The dimensions are:

3(2x+1) by (7x+5)

Then the perimeter will be

2(6x+3+7x+5)=26x+16\:\:\:\boxed{\sqrt{} }

4 0
3 years ago
What would be the amount of his last monthly bill in order. The bill amount to be 110 for all 12 months
meriva
Add up all the numbers the divide by the amount of numbers in the set.
1199/11 = 109
B. 109 answer
8 0
2 years ago
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