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vladimir1956 [14]
3 years ago
15

Classify the triangle based on the side lengths 9, 40 and 41.

Mathematics
1 answer:
artcher [175]3 years ago
8 0

Answer: right triangle

Step-by-step explanation: 9, 40, and 41 are examples of Pythagorean triples.

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3.4+2(9.7-4.8x)=61.2
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22.8-9.6x=61.2
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Solving systems of equations algebraically.
Elanso [62]

Answer:

x = 2

y = -1

Step-by-step explanation:

Since it gives you the value of y already, just plug that into the equation, like so:

y = 4x - 9

x - 3 = 4x - 9

<em><u>Subtract the x from both sides:</u></em>

x - 3 = 4x - 9

-x       - x

__________

-3 = 3x - 9

<em><u>Then, add 9 to both sides:</u></em>

-3 = 3x - 9

+9        + 9

________

6 = 3x

<em><u>Divide both sides by 3:</u></em>

2 = x

<em><u>Now plug in x for y:</u></em>

y = x - 3

y = 2 - 3

y = -1

8 0
3 years ago
The data in the table are linear. Use the table to find the slope.
Gemiola [76]

Answer:

m = -\frac{3}{2}

Step-by-step explanation:

Given

x 2 4 6 8

y 1 -2 -5 -8

Required

Determine the slope

First, pick any two corresponding x and y values.

(x_1,y_1) =(2,1)

(x_2,y_2) =(8,-8)\\

The slope (m) is then calculated using:

m = \frac{y_1 - y_2}{x_1 - x_2}

Substitute in, the x and y values

m = \frac{1 - (-8)}{2- 8}

m = \frac{1 +8}{-6}

m = \frac{9}{-6}

m = -\frac{9}{6}

Divide numerator and denominator by 3

m = -\frac{9/3}{6/3}

m = -\frac{3}{2}

<em>Hence, the slope is -3/2</em>

8 0
3 years ago
Derek is selecting a sock from his drawer .He chooses a sock at random and then selects a second sock at random .what is the pro
enyata [817]

Answer: 1/15

Step-by-step explanation:

The number of striped socks is 2 while the number of total socks are 6. If he chooses a striped socks at first, that will be 2/6.

If he chooses it the second time, the probability will be 1/5 since there'll be 5 socks left and 1 striped.

The probability that Derek selected a striped sock both times will be:

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Isaiah went skiing in the mountains for four days. The temperatures for the four days were:
Anastaziya [24]
Your answer is -9 !
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