2 years ago

HELP PLEASE I NEED THIS FOR A TEST!!1 Is this a function yes or no?

Mathematics

2 answers:

sukhopar [10]2 years ago

6 0

No, because the input repeated 4 twice and the output repeated 3 twice

enot [183]2 years ago

3 0

Answer:

Step-by-step explanation:

Hope this helps.

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F(n)=-4n-3; find f(-1)

prohojiy [21]

Maybe it’s 4, I’m not quite sure

3 0

2 years ago

A Normal distribution has mean µ = 61.6. Find it’s standard deviation if 20% of the values are greater than 70. (Hint--use the z

statuscvo [17]

Answer:

The value is $\sigma = 9.976$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 61.6$

Given that 20% of the values are greater than 70, the z-score to the right of the curve corresponding to 20% (0.2) of the values is

$z-score = 0.842$

Generally this z-score is mathematically represented as

$z-score = \frac{x - \mu }{\sigma }$

Here x = 70

$0.842 = \frac{70 - 61.6 }{\sigma }$

=> $\sigma = 9.976$

4 0

3 years ago

Here is a division equation: 4/5 ÷ 2/3 = ? Write a multiplication equation that corresponds to the division equation.

Finger [1]

Answer:

4/5 * 3/2

Step-by-step explanation:

fraction division = multiplying the first fractions by the reciprocal of the second fractions (the tops are bottoms are flipped).

5 0

2 years ago

Write the slope-intercept form of the equation of the line perpendicular to the graph of y=-3/2x-7 that passes through (3,-2)

ozzi

Graph of y = -3/2x - 7 has a slope of -3/2.
For perpendicular lines the product of the slopes is -1.
m1m2 = -1
-3/2m2 = -1
m2 = -1/(-3/2) = 2/3

The required equation,
y - (-2) = 2/3(x - 3)
y + 2 = 2/3x - 2
y = 2/3x - 4

8 0

3 years ago

Can someone help me out :P

ladessa [460]

Answer:

Step-by-step explanation:

i think it is c bec 1ft is 6m

6 0

2 years ago