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kodGreya [7K]
2 years ago
14

[15 POINTS] Please help me!

Mathematics
2 answers:
steposvetlana [31]2 years ago
8 0

Answer:

1) y=2x+7      2) y=4 and y=3

Step-by-step explanation:

1) you start knowing that the slope-intercept equation is y=mx+b. M stands for your slope so you just plug 2 in for m. Then you plug in the x to see how to make it equal 1. As you look at it you realize that 2*-3 is -6 and you need to add 7 to get to one. Therefore the seven would be the B.

2) Since there is no slope the lines just go on the horizon at the y point of 4 or 3.

kari74 [83]2 years ago
5 0
Hello i don't know the answer
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A bowl contains 7 pennies, 9 nickels, and 4 dimes. Elyse removes one coin at random from the bowl and does not replace it. She t
Vlad [161]

Answer:

The probability is 3/95

Step-by-step explanation:

Okay this is a probability without replacement question.

Firstly we calculate the total number of coins = 7 + 9 + 4 = 20 coins

The probability that the first coin will be a dimes = number of dimes/total number of coins = 4/20 = 1/5

Now she removes a coin without replacement, if it was a dime, total number of coins becomes 19 and the total number of dimes becomes 3; Thus the probability of the second coins being a dimes = 3/19

Thus, the probability of both coins being dimes = probability of first coin being dimes * probability of second coins being dimes

= 1/5 * 3/19 = 3/95

6 0
3 years ago
What is the vertex of a parabola defined by the equation <br> x = 5y2?
QveST [7]

Find the critical points of f(y):Compute the critical points of -5 y^2
To find all critical points, first compute f'(y):( d)/( dy)(-5 y^2) = -10 y:f'(y) = -10 y
Solving -10 y = 0 yields y = 0:y = 0
f'(y) exists everywhere:-10 y exists everywhere
The only critical point of -5 y^2 is at y = 0:y = 0
The domain of -5 y^2 is R:The endpoints of R are y = -∞ and ∞
Evaluate -5 y^2 at y = -∞, 0 and ∞:The open endpoints of the domain are marked in grayy | f(y)-∞ | -∞0 | 0∞ | -∞
The largest value corresponds to a global maximum, and the smallest value corresponds to a global minimum:The open endpoints of the domain are marked in grayy | f(y) | extrema type-∞ | -∞ | global min0 | 0 | global max∞ | -∞ | global min
Remove the points y = -∞ and ∞ from the tableThese cannot be global extrema, as the value of f(y) here is never achieved:y | f(y) | extrema type0 | 0 | global max
f(y) = -5 y^2 has one global maximum:Answer: f(y) has a global maximum at y = 0

3 0
3 years ago
How to solve 8/x^2-1=6/x+1
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8 0
2 years ago
What is the volume of the square pyramid with base edges 12cm height 10cm
Alina [70]

V=480cm³ . 10 and 12

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3 years ago
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MakcuM [25]

Answer:

= 15/4 as fraction

Step-by-step explanation:

5 0
2 years ago
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