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3 years ago

Please help. Subject is Pythagorean theorem

Mathematics

1 answer:

pashok25 [27]3 years ago

8 0

3 because I said so and it is correct

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If a rectangle has length x and width x-2, what is the perimeter of the rectangle in terms of x?

ivolga24 [154]

Answer:

length x and width x-2

perimeter of rectangle=2[l+b]=2[(x-2)+x]=4x-4 is your answer

6 0

3 years ago

Two fair dice are thrown. Let X be a random variable giving the score on the rst die and Y be a random variable giving the large

defon

Answer:

idk

idkidk

Step-by-step explanation:

5 0

2 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

4 0

2 years ago

BRAINLIEST

kenny6666 [7]

Answer:

B. 1 1/3

Step-by-step explanation:

$\frac{5}{6} + \frac{3}{6} = \frac{8}{6}$

$\frac{8}{6} = \frac{4}{3}$

three can go into 4 once, so we have a whole number of 1 and a leftover 1/3.

= $1\frac{1}{3}$

hope this helps :)

4 0

2 years ago

Read 2 more answers

*PLS HELP

n200080 [17]

Answer:

y = 3x +4

Step-by-step explanation:

The equation for the parallel line will have the same x- and y-coefficients, but a different constant. You can put the given point values into the equation to see what the constant needs to be:

y = 3x + b

10 = 3·2 + b . . . . . . substitute x=2, y=10

4 = b . . . . . . . . . . . . subtract 6

The equation of the line is ...

y = 3x +4

3 0

2 years ago