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Arte-miy333 [17]

3 years ago

13

30 TENS MINUS 3 TENS 3 TENTHS

2 answers:

-BARSIC- [3]3 years ago

5 0

Uhm i think its 300 - 30 + 30 so the answer is 300

ipn [44]3 years ago

5 0

In numbers,
300-30.3 is 269.7

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1. Another way to think of your net earnings is

liubo4ka [24]

Answer:

amount of your paycheck is the correct answer because the summation of all check paid to me will be my net earning.

3 0

2 years ago

An arched drainage culvert can be modelled by the function:

Zanzabum

Substitute 136.5 for y.

$136.5=\frac{x(191-x)}{60}$

$8190=x(191-x)$

$8190=191x-x^{2}$

$x^{2} -191x+8190=0$

Compare this equation with $ax^{2} +bx+c=0$

a = 1, b = - 191, c = 8190

$x=\frac{-b+\sqrt{b^{2}-4ac } }{2}$ or

$x=\frac{-b-\sqrt{b^{2}-4ac } }{2}$

$x=\frac{191+\sqrt{191^{2}-4(1)(8190) } }{2}$ or

$x=\frac{191-\sqrt{191^{2}-4(1)(8190) } }{2}$

$x=\frac{191+\sqrt{36481-32760 } }{2}$ or

$x=\frac{191-\sqrt{36481-32760 } }{2}$

$x=\frac{191+\sqrt{3721 } }{2}$ or

$x=\frac{191-\sqrt{3721 } }{2}$

$x=\frac{191+61}{2}$ or

$x=\frac{191-61}{2}$

$x=\frac{252}{2}$ or

$x=\frac{130}{2}$

x = 126 or x = 65

Hence, the points on the curve are (65, 136.5) and (126, 136.5).

The width of the air space is the distance between these points.

Width = $\sqrt{(x_{2}- x_{1})^{2} +( y_{2}- y_{1}) ^{2}$

= $\sqrt{(126- 65)^{2} +(136.5-136.5) ^{2}$

= 126 - 65

= 61

Hence, width of the air space is 61m.

5 0

2 years ago

What is 12 divided by 30

maksim [4K]

12/30 = 2/5

12/30 = 0.4

Answer: 2/5 or 0.4

*Hope that helps and Enjoy Brainly :)

3 0

3 years ago

A randomly selected sample of 100 students had an average grade point average (GPA) of 3.2 with a standard deviation of 0.2.

alexdok [17]

Answer:

A. 0.020

Step-by-step explanation:

we calculate the standard error of the sample mean with the formula,

$E=\frac{s}{\sqrt{n} }$ ,

with E= standard error of the sample mean

s= standard deviation

n= sample

So,

s= 0.2

n= 100

$E=\frac{0.2}{\sqrt{100} } =\frac{0.2}{10}=0.02$

5 0

3 years ago

Tina is saving to buy a notebook computer. She has two options. The first option is to put $200 away initially and save $10 ever

Daniel [21]

It would be 5 months until the price for the notebook computer would be the same. Here are the steps to solving the problem:

1. Step up the equation, 200 + 10x = 100 + 30x
2. Subtract 100 from both sides and Subtract 10 from both sides,
100 - 200 = 10x + 30x, 100 = 20x
3. Solve for x, 100/20 = 20x/20, x= 5

3 0

3 years ago

Read 2 more answers