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Contact [7]
3 years ago
5

(3/2×3 1/2)÷(6/5-1)​

Mathematics
2 answers:
schepotkina [342]3 years ago
8 0

Answer:

Step-by-step explanation:ou

scoundrel [369]3 years ago
4 0

Answer:

\frac{105}{2} (if you need the answer as a fraction)

and if you need it as a mixed number it will be 52 \frac{1}{2}

or

52.5 (if you need it as a decimal)

Step-by-step explanation:

(3/2 x 7/2)÷(6/5-5/5)      because 3 1/2 has to become an improper fraction in

                                       in order to be multiplied by 3/2; and 1 has to become    

                                       5/5 in order to be subtracted from 6/5.

(21/2)÷(1/5)

(105/10)÷(2/10)                because in order to divide you must have a

                                       common denominator.

so i believe the answer is 52.5, unless you have to cross multiply. if you have to cross multiply then here are the rest of the steps:

\frac{105}{2}×\frac{10}{2}

the tens cancel out so you are left with \frac{105}{2} which still if you divide it you still get 52.5.

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A survey measures the motivation, attitudes, and study habits of freshman in college. Freshmans’ scores on this survey range fro
MrRissso [65]

Answer:

Option A) 0.0074    

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 110

Sample mean, \bar{x} = 20

Sample size, n = 100

Alpha, α = 0.05

Population standard deviation, σ = 115.35

First, we design the null and the alternate hypothesis

H_{0}: \mu = 110\\H_A: \mu \neq 110

We use two-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{115.35 - 110}{\frac{20}{\sqrt{100}} } = 2.675

Now, we calculate the p-value from the standard normal table.

P-value  = 0.0074

Thus, the correct answer is

Option A) 0.0074

5 0
4 years ago
5. What Ouadrant would this ordered pairs go in? 5.3)*
liubo4ka [24]

Answer:

1st quadrant

Step-by-step explanation:

6 0
3 years ago
Andy,Taylor and Ben share their team payment in a ratio of 1:3:4. What % dies Andy receive
matrenka [14]
Andy receives 1 share out of 8 total.

\frac{1}{8} *100=12.5 \text{ percent}
7 0
4 years ago
Read 2 more answers
Write an equation for each graph in a slope<br> Intercept form
Andrew [12]

Answer:

y = -3x + 2

Step-by-step explanation:

y = mx + b

m = rise/run = -6/2 = -3

(negative graph = negative slope)

b = y-intercept = 2

5 0
3 years ago
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Janis used the sum of cubes formula to factor 27x^3+8 Her answer is (3x+2)(9x^2-6x+2^2) Identify her error if any.
kicyunya [14]

Answer:

According to the sum of cubes formula, Janis is correct

Step-by-step explanation:

The sum of cubes formula is given as follows;

x³ + y³ = (x  + y)·(x² - x·y + y²)

The given expression is presented as follows;

27·x³ + 8

The given expression can be expressed as 27·x³ + 8 = (3·x)³ + 2³

Therefore, using the sum of cubes formula, we have;

(3·x)³ + 2³ = (3·x + 2)·((3·x)² - 3·x·2 + 2²) = (3·x + 2)·(9·x² - 6·x + 2²)

∴ 27·x³ + 8 = (3·x)³ + 2³ = (3·x + 2)·(9·x² - 6·x + 2²)

Therefore, Janis is correct, by the sum of cubes formula, we get;

27·x³ + 8 = (3·x + 2)·(9·x² - 6·x + 2²).

5 0
3 years ago
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