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IRINA_888 [86]
3 years ago
11

Determine whether each number is rational or irrational

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

<span>A is rational</span>

<span>B is irrational</span>

<span>Product of a and b is irrational.</span>


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5(–9x + 1) + 5 = –10x + 5(–7x + 2)
nikklg [1K]

Answer:-

here's the answer

3 0
2 years ago
Which best describes a transformation that preserves the size, shape, and angles of an object? A. congruent transformation B. no
Harrizon [31]

Answer:

Your answer would be D: isometry

Step-by-step explanation:


6 0
3 years ago
Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment
Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

6 0
3 years ago
Ype the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
rewona [7]

Answer:

4/8 or 1/2

Step-by-step explanation:

Convert all size to x/8

1/4=2/8 and 1/2=4/8

Multiply size of beaker by how many there are filled

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then add all of them together = 28/8

convert 4 liters to 32/8

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4 0
2 years ago
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Nadusha1986 [10]
-2 is the answer because you do the change of y over the change of x.
3 0
3 years ago
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