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2 years ago

14

Given f(x), match each expression to its correct value

2 answers:

larisa [96]2 years ago

6 0

Number 1 is 2

Number 2 is 1

Number 3 is -11

Number 4 is 7

What you do is see the value of x in each question and see if it satisfies the requirement.
If x is less than -2(like in number 1), you substitute it into that equation and solve for x

If x is greater than or equal to -2(like in number 2,3, and 4), you substitute the value of x into the second equation.

Hope you understand!

Murljashka [212]2 years ago

5 0

Answer:

-11, f(-5) 1

Step-by-step explanation:

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En una camioneta se pueden transportar 28.5 kilogramos. ¿ Cuántas camionetas se necesitan para transportar 484.5 Kg?

r-ruslan [8.4K]

Answer:

The number of trucks required is 17.

Step-by-step explanation:

28.5 kilograms can be transported in a van. How many trucks are needed to transport 484.5 Kg?

For the transportation of 28.5 kg, one truck is required.

Total mass = 484.5 kg

The number of trucks required is

n = total mass/ mass of one

$n=\frac{484.5}{28.5}\\\\n = 17$

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3 years ago

The standard deviation for a set of data is 8.5. The mean is 215.

mixas84 [53]

The answer to your question is 2.5 hope this helps

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3 years ago

Marie, Shelia, and Martha bought snacks for a girl's sleepover. They each bought the items shown in the following table at the l

creativ13 [48]

Using a system of equations, it is found that the unit prices are:

$2.25 for a bag of chips.

$1.50 for a liter of pop.

$1.75 for a chocolate bar.

For the system:

x is the unit price of a bag of chips.

y is the unit price of liter of pop.

z is the unit price for a chocolate bar.

From the table, the equations are:

$2x + 2y + z = 9.25$

$3x + 4y + z = 14.50$

$x + 3y + 3z = 12$

Replacing the <u>first equation on the second and the third:</u>

$z = 9.25 - 2x - 2y$

$3x + 4y + z = 14.50$

$3x + 4y + 9.25 - 2x - 2y = 14.50$

$x + 2y = 5.25$

$x = 5.25 - 2y$

$x + 3y + 3z = 12$

$x + 3y + 3(9.25 - 2x - 2y) = 12$

$-5x - 3y = -15.75$

$5x + 3y = 15.75$

Since $x = 5.25 - 2y$ :

$5(5.25 - 2y) + 3y = 15.75$

$-7y = -10.5$

$y = \frac{10.5}{7}$

$y = 1.5$

Then:

$x = 5.25 - 2y = 5.25 - 2(1.5) = 2.25$

$z = 9.25 - 2x - 2y = 9.25 - 2(2.25) - 2(1.5) = 1.75$

The unit prices are:

$2.25 for a bag of chips.

$1.50 for a liter of pop.

$1.75 for a chocolate bar.

A similar problem, also solved using a system of equations, is given at brainly.com/question/14183076

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3 years ago

Cody and his friends stated playing a game at 6:30 P.M. it took them 37 minuntes to finish the game at what time did they finish

gavmur [86]

Answer:

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Step-by-step explanation:

Add 37 minutes to 6:30

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3 years ago

Read 2 more answers

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zhuklara [117]

Answer:

yes

Step-by-step explanation:

because to find every combination of $\frac{p}{q}$ , where p is a factor of the constant and q is a factor of leading coefficient

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3 years ago