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kirill115 [55]
3 years ago
9

If a = b, then a - c = b - c. This is the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ property of equality.

Mathematics
2 answers:
inessss [21]3 years ago
4 0

Answer:

<u>The correct answer is Subtraction property of the equality.</u>

Step-by-step explanation:

Let's recall that it's possible to perform the same operation on each side of an equivalent linear equation without changing the equality.

That's why we can add, subtract, multiply (same non-zero number) and divide (same non-zero number) the same number to each side of a linear equation and, that operation,gives us an equivalent equation .

In this particular case, we are subtracting c at both sides of the equation and this a representation of the<u> Subtraction property of the equality.</u>

Whitepunk [10]3 years ago
3 0

Answer:

Associative Property

Step-by-step explanation:

Associative property involves computations that has to do with regrouping of quantities. That is simply the technique employed there.

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(x^4)^2 please answer I need an A
scoray [572]

Answer:

x^8

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Determine whether the bolded numerical value is a parameter or a statistic. Explain your reasoning.The average annual salary of
sergey [27]

Answer:  F. Statistic​, because the data set of salaries of 50 employees is a sample.

Step-by-step explanation:

A parameter gives measure of a characteristic for the entire population where as a statistic gives measure of a characteristic for the subset of population (sample).

Given : The average annual salary of 50 of a company's 800 employees is $54,000.

It means the sample size = 50 and the sample mean salary= $54,000.

i.e $54,000 is giving the measure for mean salary for the sampled 50 employees.

It means $54,000 is a statistic .

Hence, the correct answer is option (F).

7 0
3 years ago
What operation does the bar between the numerator and denominator of a fraction represent?
atroni [7]
The bar between the numerator and denominator of a fraction represent division.
6 0
3 years ago
- 1/2 (- 3/2x + 6x + 1) - 3x
zepelin [54]

Answer: = -2/4x + -1/2

Step-by-step explanation:

hope this helped

5 0
2 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
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