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Deffense [45]
4 years ago
12

Please hurry I need this fast

Mathematics
2 answers:
elena55 [62]4 years ago
7 0

Answer:

Step-by-step explanation:

Option 4

gavmur [86]4 years ago
6 0

Answer:

i think

Step-by-step explanation:

4 or 1

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2(12 - y) = 23- (2y - 1) is there a solution for this?
natali 33 [55]

Answer:

Step-by-step explanation:

Short Answer: No

2(12 - y) = 23- (2y - 1)                    Remove the Brackets on both sides

24 - 2y = 23 - 2y + 1                     Combine like terms on the right

24 - 2y = 24 - 2y                          No matter what you do, the 2ys are going to cancel. When they do, the question goes with them.

You get 24 = 24 Which is true but not relevant.

The other answer you could use is there are an infinite number of answers.

Equality will be maintained, but there is no single answer that works.

3 0
3 years ago
Read 2 more answers
8-5(12x+8) simplify the following expression
alexandr402 [8]
Due to "order of operations" rules, you MUST do the multiplication -5(12x+8) first, eliminating the parentheses long the way:

8 - 60x - 40

Now combine the 8 and -40 and rewrite the entire answer in 2 (not 3) terms.
8 0
3 years ago
If f(x) = 2x^2 - x, find f(-3).
ioda
F(-3)  = 2(-3)^2 - (-3) =  2(9)+3 = 18 + 3 = 21
4 0
4 years ago
Read 2 more answers
Arthur is conducting a study on the preferred study options of students from East County College. He randomly selected 32 studen
ELEN [110]

Answer:

D. As the sample size is appropriately large, the margin of error is ±0.15

Step-by-step explanation:

The number of students in the sample, n = 32 students

The percentage of the students that preferred studying abroad, \hat p = 25%

The confidence level for the study = 95%

As a general rule, a sample size of 30 and above are taken as sufficient

The z-value at 95% confidence level, z = 1.96

The margin of error of a proportion formula is given as follows;

M.O.E. =  z^*\times \sqrt{\dfrac{\hat{p} \cdot(1-\hat{p})}{n}}

Therefore, we get;

M.O.E = 1.96\times \sqrt{\dfrac{0.25\times(1-0.25)}{32}} \approx \pm0.15

Therefore, the correct option is that as the sample size is appropriately large, the margin of error is ±0.15.

7 0
3 years ago
1.which expression is equivalent to x² 10x 24?(x 1)(x 24)(x 4)(x 6)(x 2)(x 12)(x 3)(x 8)
Harrizon [31]

x2 − 10x − 24 x 2 - 10 x - 24 this expression is equivalent to x² 10x 24 (x 1)(x 24) (x 4)(x 6)(x 2)(x 12)(x 3)(x 8).

<h3>What are algebraic expressions?</h3>

A logarithmic articulation is a numerical expression that incorporates factors, constants, coefficients, and mathematical tasks. To increase two logarithmic articulations, we duplicate each term of the main articulation with each term of the subsequent articulation and join every one of the items. In a mathematical articulation, a term might comprise of a steady, one variable, a result of at least two factors, a result of both the variable and consistent part. Moreover, the mathematical terms can be both positive and negative. There are significantly three sorts of mathematical articulations.

Learn more about algebraic expressions, refer:

brainly.com/question/17108023

#SPJ4

6 0
2 years ago
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