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3 years ago

SOLVE 3x²-7x-12=0 correct answer to 2 decimal places

Mathematics

1 answer:

Bas_tet [7]3 years ago

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Write this ratio as a fraction in simplest form without any units. 28 quarts to 9 gallons You can use the table below to help co

jolli1 [7]

Answer:

7/9

Step-by-step explanation:

In order to write the fraction without any units (as a pure number), we must have units in the numerator and denominator that are the same. Then the units cancel.

<h3>Convert to gallons</h3>

We are given the conversion ...

4 quarts = 1 gallon

Multiplying by 7, we see ...

28 quarts = 7 gallons

<h3>Ratio</h3>

This lets us write the desired fraction as ...

(28 quarts)/(9 gallons) = (7 gallons)/(9 gallons) = 7/9

The ratio in simplest form is 7/9.

4 0

2 years ago

A statistics practitioner in a large university is investigating the factors that affect salary of professors. He wondered if ev

uysha [10]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The null hypothesis is $H_o : \beta_1 = 0$

The alternative hypothesis is $H_1 : \beta_1 \ne 1$

Step-by-step explanation:

From the question we are told that

The number observations is $n = 100$

The annual salary (in dollars) is y

The mean score on teaching evaluation is x

The the relationship between the y and x is

$y = \beta_0 + \beta _1 x + \epsilon$

Where $\beta _1$ is the mean of the equation so

The null hypothesis is $H_o : \beta_1 = 0$

The alternative hypothesis is $H_1 : \beta_1 \ne 1$

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3 years ago

The factory has 6 cutting machines. Each cutting machine cuts 105 parts every 3 minutes. How many parts can all 6 cutting machin

Murrr4er [49]

Answer:28

Step-by-step explanation:

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3 years ago

Which of these numbers is a rational number?

Ymorist [56]

Answer:

the answer is A and C

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

How do i get this ?

ser-zykov [4K]

Sinx=1/2
sin30=1/2
therefore x=30 degree

7 0

3 years ago

Read 2 more answers