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Phoenix [80]
3 years ago
15

PLZ HELP FOR MATH CLASS PLZzz

Mathematics
1 answer:
scZoUnD [109]3 years ago
7 0

Answer:

trump2020 I love him so much

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Find one value of xxx that is a solution to the equation:
alisha [4.7K]

Answer:

-3/2

Step-by-step explanation:

Given the funtion

(2x+3)² - 6x+9 = 0

(2x+3)² = 6x + 9

Expand

4x²+12x+9 = 6x + 9

4x²+12x - 6x = 0

4x²+6x = 0

4x² = -6x

4x = -6

x = -6/4

x = -3/2

Hence the value of x is -3/2

4 0
3 years ago
PLEASE HELP!!! Blue whales eat an average of 5,000 pounds of fish daily, with a standard deviation of 850 pounds. Approximately
REY [17]

Answer:

15.87% of blue whales eat more than 5,850 pounds of fish

Step-by-step explanation:

Mean = 5000

Standard Deviation = 850

We need to find P(x>5850) = ?

We can find using z-score

z = x - mean/ standard deviation

z = 5850 - 5000/850

z = 850/850

z = 1

Now, P(x>5850) = P(z>1)

Finding value of P(z>1) by looking at the z-score table

P(z>1) = 0.8413

The normal distribution gives area to the left , so subtracting it from 1 to gain the answer

1-0.8413 = 0.1587

Now, to find percentage multiply it with 100

0.1587 * 100 = 15.87 %

15.87% of blue whales eat more than 5,850 pounds of fish

5 0
3 years ago
Read 2 more answers
Given f(x)= 4x^4 find f^-1(x) Then state whether f^-1(x) is a function
PIT_PIT [208]

Answer:

The inverse is

f^-1(x) = (1/√2)x^¼

And it is a function

Step-by-step explanation:

Given f(x) = 4x^4

Let y = f(x), so that

y = 4x^4

Then dividing both sides by 4

x^4 = y/4

Taking the fourth root of both sides

x = (y/4)^¼

x = (1/√2)y^¼ = f^-1(y)

Put y = x

y = (1/√2)x^¼ = f^-1(x)

This is the inverse.

f^-1(x) is a function.

4 0
4 years ago
What is larger a hectometer or a yard?
elena-s [515]
Hectometer is larger

8 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME
I am Lyosha [343]
The y-intercept is where the curve crosses through the y axis (it intercepts it). In this case the y intercept would be worth three dollars at year 0. As years are time, and time is generally placed along the x axis.
3 0
4 years ago
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