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fenix001 [56]
3 years ago
12

le" class="latex-formula">
Whats the answer corectly​
Mathematics
2 answers:
Sliva [168]3 years ago
8 0

Answer:

Whats X and what y

Step-by-step explanation:

Klio2033 [76]3 years ago
7 0

Answer:

7y(x^49)

Step-by-step explanation:

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Zucchini weights are approximately normally distributed with mean 0.8 pound and standard deviation 0.25 pound. Which of the foll
Charra [1.4K]

Answer:

0.81859

Step-by-step explanation:

We solve using z score method

The formula for calculating a z-score is is z = (x-μ)/σ,

where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Mean 0.8 pound

Standard deviation 0.25 pound

For x = 0.55 pound

z = 0.55 - 0.8/0.25

= -1

Probability -value from Z-Table:

P(x = 0.55) = 0.15866

For x = 1.3 pounds

Z = 1.3 = 0.8/0.25

= 2

Probability value from Z-Table:

P(x = 1.3) = 0.97725

The probability that a randomly selected zucchini will weigh between 0.55 pound and 1.3 pounds is

P(x = 1.3) - P(x = 0.8)

0.97725 - 0.15866

0.81859.

6 0
3 years ago
3x^2-x=4 <br>please help​
sdas [7]

Answer:

x=1 4/3

Step-by-step explanation:

3 0
2 years ago
Solve for X then find the measure of
Savatey [412]

Answer:

x=11

m<a=80º

m<b=80º

Step-by-step explanation:

They are congruent so

8x-8=5x+25

8x=5x+33

3x=33

x=11

6 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!!!!!!!!1
skelet666 [1.2K]
A. Let x = cheese and
y = chocolate
2x + y = 25
x + y = 20

B. Subtract the second equation from the first.
2x + y = 25
-(x + y = 20)
-—————
x = 5

Plug 5 back in to the second equation and solve for y.
x + y = 20
5 + y = 20
Subtract 5 from both sides.
y = 15
5 cheese and 15 chocolate

Used elimination method because coefficients on the y values were both 1 so it was easy to subtract the equations and eliminate the y variable.


5 0
3 years ago
In the equation y = 6.7x, what is the constant of proportionality
devlian [24]

The constant in an equation would be the number multiplied to x,

In the equation y - 6.7x, the constant would be 6.7

4 0
3 years ago
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