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3 years ago

Find: 11/3 ÷ 2/3 The quotient is 5 and ?

Mathematics

2 answers:

Tamiku [17]3 years ago

6 0

Answer 1/2

Step-by-step explanation:

i think hope this helps you friend!

saveliy_v [14]3 years ago

3 0

Answer:

11/3 ÷ 2/3 = 5 1/2

Step-by-step explanation:

When doing divison of fractions, you do these steps

11/3 ÷ 2/3 you turn the division sign to a multiplication sign, but by doing that you will have to turn 2/3 to 3/2.

11/3 × 3/2. Now all you have to do is multiply

11/3 × 3/2 = 33/6, simplify that down is 5 3/6, which is 5 1/2

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aleksandrvk [35]

If the number limit is 6, then the number missing is 5, while the last number in this sequence is obviously 6.

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3 years ago

The sales of a grocery store had an average of $7,000 per day. The store introduced several advertising campaigns in order to in

Sati [7]

Answer:

a.The advertising campaigns increased the average daily sales.

Step-by-step explanation:

This is a hypothesis test for the population mean.

The claim is that the advertising campaigns increased the average daily sales.

Then, the null and alternative hypothesis are:

$H_0: \mu=7000\\\\H_a:\mu> 7000$

The significance level is 0.05.

The sample has a size n=100.

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The standard deviation of the population is known and has a value of σ=1000.

We can calculate the standard error as:

$\sigma_M=\dfrac{\sigma}{\sqrt{n}}=\dfrac{1000}{\sqrt{100}}=100$

Then, we can calculate the z-statistic as:

$z=\dfrac{M-\mu}{\sigma_M}=\dfrac{7280-7000}{100}=\dfrac{280}{100}=2.8$

This test is a right-tailed test, so the P-value for this test is calculated as:

$\text{P-value}=P(z>2.8)=0.0026$

As the P-value (0.0026) is smaller than the significance level (0.05), the effect is significant.

The null hypothesis is rejected.

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3 years ago

Suppose the supply and demand for a certain textbook are given by supply: p equals one half q squared comma demand: p equals n

vampirchik [111]

Answer:

Demand quantity: 6.3246

Supply quantity: 4.4721

Step-by-step explanation:

Supply equation:

p = (1/2) * q^2

Demand equation:

p = -(1/2) * q^2 + 30

(p is the price, q is the quantity)

If the price p is equal to 10, then we can calculate:

Supply quantity:

10 = 0.5 * q^2

q^2 = 20

q = 4.4721

Demand quantity:

10 = -0.5 * q^2 + 30

0.5 * q^2 = 20

q^2 = 40

q = 6.3246

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3 years ago

How will the solution of the system y > 2x + 2/3 and y < 2x + 1/3 change if the inequality sign on both inequalities is re

Valentin [98]

Answer:Infinite solution

Step-by-step explanation:

For Inequalities

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and $y$

3y-6x<1

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But if signs of both inequalities is changed then the system has infinite number of solution.

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and $y>2x+\frac{1}{3}$

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4 years ago

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kupik [55]

Answer:

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Step-by-step explanation:

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3 years ago

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