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Mrrafil [7]
3 years ago
15

Find the value of this expression if x=-1 and y=-5 x^2y/4

Mathematics
1 answer:
REY [17]3 years ago
4 0

Answer:

\large\boxed{-\dfrac{5}{4}=-1\dfrac{1}{4}}

Step-by-step explanation:

\text{Put the values of x = -1 and y = -5 to the expression}\ \dfrac{x^2y}{4}:\\\\\dfrac{(-1)^2(-5)}{4}=\dfrac{(1)(-5)}{4}=\dfrac{-5}{4}

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Help me please help pleaseeeeeeeeeeeee
LenaWriter [7]

Answer:

(8,3)

Step-by-step explanation:

Point c is seven units away from the line x = 1

So we move seven units to the right of the line x = 1

the x value = 8

y value = 3

Coordinates = (8,3)

If my answer is incorrect, pls correct me!

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3 0
3 years ago
Walleye is a common game fish. Adult walleye have a length with a mean of 44 cm and a standard deviation of 4 cm, and the distri
Ostrovityanka [42]

Answer:b. 0.22

Step-by-step explanation:

Since the lengths of adult walleye fishes are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = lengths of walleye fishes.

µ = mean length

σ = standard deviation

From the information given,

µ = 44 cm

σ = 4 cm

We want to find the probability or fraction of fishes that are greater than 41 cm in length. It is expressed as

P(x > 41) = 1 - P(x ≤ 41)

For x = 41,

z = (41 - 44)/4 = - 0.75

Looking at the normal distribution table, the probability corresponding to the z score is 0.22

4 0
3 years ago
I need help for number 22.
boyakko [2]
EHRP, EHFG, EFPQ  Does that make sense?
8 0
3 years ago
What is the slope of y-5 = 4 ( x+3)
Tanya [424]

Answer:

slope -5/4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
find the product of (3x − 4)(2x2 2x − 1). 6x3 2x2 − 5x 4 6x3 14x2 − 11x 4 6x3 − 14x2 − 5x 4 6x3 − 2x2 − 11x 4
zheka24 [161]
(3x - 4)(2x^2 + 2x - 1) = 3x(2x^2 + 2x - 1) - 4(2x^2 + 2x - 1) = (6x^3 + 6x^2 - 3x) - (8x^2 + 8x - 4) = 6x^3 + 6x^2 - 3x - 8x^2 - 8x + 4 = 6x^3 - 2x^2 - 11x + 4
4 0
3 years ago
Read 2 more answers
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