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3 years ago

15

Jiro uses fabric to make costumes for a show choir

1 answer:

Mnenie [13.5K]3 years ago

7 0

Answer:

Print it

Step-by-step explanation:

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The run times of a marathon runner are approximately normally distributed. The z-score for his run this week is – 2 . Which one

marissa [1.9K]

Answer:

2 standard deviation under his average time

Step-by-step explanation:

6 0

3 years ago

Monty invested 8600 in a savings account with a yearly interest rate of 5% for 12 years how much simple interest did he earn

docker41 [41]

I=prt
I=8,600×0.05×12
I=5,160

4 0

3 years ago

Read 2 more answers

What is vaule of y when x=4'5

Degger [83]

Answer:

$y = 2.096$ or $y = \frac{2\sqrt5+6}{5}}$

Step-by-step explanation:

Given

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

$x = \frac{4}{5}$

Required

Find y

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

Substitute $x = \frac{4}{5}$

$y = \frac{4}{4/5} + \sqrt{4/5} + 0.2 - 5 * 4/5$

$y = 5 + \sqrt{4/5} + 0.2 - 4$

Collect like terms

$y = \sqrt{4/5} + 5 + 0.2 - 4$

$y = \sqrt{\frac{4}{5}} + 1.2$

Split the surd

$y = \frac{\sqrt4}{\sqrt5}} + 1.2$

$y = \frac{2}{\sqrt5}} + 1.2$

Rationalize

$y = \frac{2\sqrt5}{\sqrt5*\sqrt5}} + 1.2$

$y = \frac{2\sqrt5}{5}} + 1.2$

Take LCM and add

$y = \frac{2\sqrt5+1.2*5}{5}}$

$y = \frac{2\sqrt5+6}{5}}$

or solve as:

$y = \frac{2*2.24+6}{5}}$

$y = \frac{10.48}{5}$

$y = 2.096$

7 0

3 years ago

What are the slope and y-intercept of the equation 2x - 5y = -10?

sergiy2304 [10]

Answer:

Step-by-step explanation:

y=2/5x+2

x= 5/2y-5

hopefully this works

7 0

3 years ago

The product of 2 and a number x is 3/4. What is the value of x? x=5/4 x=3/8 x=1 1/4 x=3/2

Masja [62]

Answer:

x=3/8

Step-by-step explanation:

2*x=3/4

x=3/4*2

x=3/8

7 0

3 years ago