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zheka24 [161]
3 years ago
6

Please help faster please???!!!!?!!

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:

This is a conditional probability.

Step-by-step explanation:

Note that we have in total 25+5+5=35 senior students.  And, from   the 35 senior students, we have 5 students that work.

Hence,

P(\text{work}|\text{Senior})=\frac{5}{25}=\frac{1}{5}

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tresset_1 [31]

a) distance

b) displacement

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3 years ago
Rearrange then factorise x^2-5x+19=5x+3
Tema [17]

Answer:

x = ±4i or x = ±√-16

Step-by-step explanation:

x² - 5x + 19 = 5x + 3

x² + 16 = 0

x² = -16

x = ±√-16  (a negative square root is an imaginary number)

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3 years ago
If anyone has a graphing calculator with them and can help me do these two problems<br> Algebra 1
katrin2010 [14]

Answer:

3a) y = -0.1x +26000

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Step-by-step explanation:

3a) y = -0.1x +26000

3b) If the odometer reads 95000 we need to plug in that value for x: y = -0.1(95000) + 26000 = $16500

4a) y = 8.2x - 16451.27

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A triangle has the coordinates
fiasKO [112]

Answer:

coordinates of its image

A' = ( -4, -1)

B' =( -3, -3)

C' = ( 0, 2)

Step-by-step explanation:

Reflect in y-axis means mirror it's points in the y -axis.

This means that the x coordinate of each point, changes only. Any mirrored point in the y-axis, will change only, by multiplying the x-coordinate by -1.

(Remember, zero multiplied by -1 remains 0).

Given are these points A, B, and C.

A = (4, -1)

B = (3,-3)

C = (0, 2)

After mirroring in the y- axis you get:

A' = ( -4, -1)

B' =( -3, -3)

C' = ( 0, 2)

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