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2 years ago

Select all of the phrases that could be

Mathematics

1 answer:

Norma-Jean [14]2 years ago

3 0

The phrases that can be represented as the algebraic expression, 3n - 3 are: Option 3 and Option 5.

Let's translate each of the given phrases to algebraic expressions in order to determine which of them can be represented as 3n - 3.

Option 1:

3 fewer than n is represented as, n - 3

Option 2:

difference between n and 3 is represented as, n - 3.

Option 3:

3 times n is 3n

3 fewer than 3n is represented as 3n - 3.

Option 4:

product of 3 and n is represented as 3n.

Option 5:

3 less than 3n is represented as 3n - 3.

Therefore, the phrases that can be represented as the algebraic expression, 3n - 3 are: Option 3 and Option 5.

Learn more about algebraic expression on:

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2 years ago

What is the discounted price for a watch that is regularly $58.00 and 30% off?

lukranit [14]

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$40.60

Step-by-step explanation:

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3 years ago

The fraction of defective integrated circuits produced in a photolithography process is being studied. A random sample of 300 ci

4vir4ik [10]

Answer:

(a) The confidence interval is: 0.0304 ≤ π ≤ 0.0830.

(b) Upper confidence bound = 0.0787

Step-by-step explanation:

(a) The confidence interval for p (proportion) can be calculated as

$p \pm z*\sigma_{p}$

$\sigma=\sqrt{\frac{\pi*(1-\pi)}{N} }\approx\sqrt{\frac{p(1-p)}{N} }$

NOTE: π is the proportion ot the population, but it is unknown. It can be estimated as p.

$p=17/300=0.0567\\\\\sigma=\sqrt{\frac{p(1-p)}{N} }=\sqrt{\frac{0.0567(1-0.0567)}{300} }=0.0134$

For a 95% two-sided confidence interval, z=±1.96, so

$\\LL = p-z*\sigma=0.0567 - (1.96)(0.0134) = 0.0304\\UL =p+z*\sigma= 0.0567 + (1.96)(0.0134) = 0.0830\\\\$

The confidence interval is: 0.0304 ≤ π ≤ 0.0830.

(b) The confidence interval now has only an upper limit, so z is now 1.64.

$UL =p+z*\sigma= 0.0567 + (1.64)(0.0134) = 0.0787$

The confidence interval is: -∞ ≤ π ≤ 0.0787.

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3 years ago

May I know the answer of number 1 pls quick

tino4ka555 [31]

n=9 would be your answer. Hope I helped

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3 years ago

Read 2 more answers

Mary has 6 pairs of blue pants which represents 40% of slacks in her closet. What is the total number of pants she owns

Anastaziya [24]

Answer:

The total number of pants in Mary's closet = 15

Step-by-step explanation:

Here, given:

40% of slacks in her closet = 6 pairs

Let us assume the total pants in her closet = m

So, according to the given data:

40% of m = 6 pairs

$\implies \frac{40}{100} \times m = 6\\\implies m = 6 \times \frac{100}{4} = 15$

⇒ m = 15

Hence the total number fo pants in her closet = 15

6 0

3 years ago