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3 years ago

What is the following product?

Mathematics

2 answers:

Black_prince [1.1K]3 years ago

5 0

Answer:

its A, 10:)

Step-by-step explanation:

andrey2020 [161]3 years ago

4 0

Answer:

2,000,000

Step-by-step explanation:

First of all, I think that you are asking:

$\sqrt{10}*\sqrt{10}*10*10\sqrt{10}*100*2\sqrt{10}$ =?

So, because multiplication is commutative, we are allowed to group together what we know and what we will deal with later:

$\sqrt{10}*\sqrt{10}*10*10\sqrt{10}*100*2\sqrt{10}$ can be rewritten as

$(10*10*100*2)*\sqrt{10}* \sqrt{10}*\sqrt{10}*\sqrt{10}$

10*10*100*2=20,000

$20,000(\sqrt{10}*\sqrt{10}*\sqrt{10}*\sqrt{10})$

So, what we do know is that when we take the square root of a number and multiply it by itself (or "square" it) we will get back the number that we started with.

So:

$\sqrt{10}*\sqrt{10} =10$

We can rewrite what we had up top as:

$20,000((\sqrt{10})*(\sqrt{10}))*((\sqrt{10})*(\sqrt{10}))$

$20,000(10)(10)$

$20,000(100)$

$20,000(100)=2,000,000$

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In five minutes, you observe that the angle of elevation of a hot air balloon, climbing vertically, changes from 25° to 60°. If

Anna71 [15]

Answer:

379.72 meters

Step-by-step explanation:

At first, the balloon was 300 m away at 25°, so its height can be determined as:

$H_{1} = 300*tg(25)\\H_{1} = 139.89 m$

After 5 minutes, the balloon was at 60°, so its height can be determined as:

$H_{2} = 300*tg(60)\\H_{1} = 519.61 m$

To find the distance traveled by the balloon during that period, simply subtract the second height by the first one:

$d= H_{2} -H_{1} \\D= 519.61 - 139.89 \\D=379.72$

The balloon traveled 379.72 meters in that time.

5 0

3 years ago

If (sin(()−1))p =2cos(()−1)q , show that p^2 =4q^2 (1− q^2) ?.

Papessa [141]

Likely the equation is

$\sin^{-1}p=2\cos^{-1}q$

For either side to be defined, we require $|p|\le1$ and $|q|\le1$ . Under these conditions, we can take

$\sin(\sin^{1}p)=\sin(2\cos^{-1}q)$
$\implies p=2\sin(\cos^{-1}q)\cos(\cos^{-1}q)$
$\implies p=2q\sin(\cos^{-1}q)$
$\implies p=2q\sqrt{1-q^2}$
$\implies p^2=4q^2(1-q^2)$

as required.

8 0

4 years ago

Determine the domain

weeeeeb [17]

Answer:

(-8,8)

Step-by-step explanation:

3 0

3 years ago

In the 2011 season, drew brees of the New Orleans saints completed 468 passes. This was 71.2% of his attempts. How many attempts

mariarad [96]

He complete 468 passes and this represents 71.2% of his attempted passes. Set this up as a ratio. 468 71.2---- = ------ x 100 cross multiply and solve46800 = 71.2xx = 657.3He attempted 657 passes.

8 0

4 years ago

17. A company wanted to determine what percentage of its employees stayed for at least 1, 2, and

Vikki [24]

Answer:

Option B. 0.71

Step-by-step explanation:

There are 200 males and 300 female employees in the company.

The percentage of its employees are given who stayed for at least 1, 2 and 3 years.

1 year 2 years 3 years

Male 0.67 0.45 0.20

Female 0.73 0.64 0.39

Number of male employees who stayed at least one year = 0.67 × 200

= 134

Number of female employees who stayed at least 1 year = 0.73 × 300

= 219

Total employees who stayed at least 1 year = 134 + 219 = 353

Total employees in the company = 200 (males) + 300 (females)

= 500 employees

Probability that an employee stayed for at least one year = $\frac{353}{500}$

= 0.706 ≈ 0.71

Option B 0.71 is the answer.

8 0

3 years ago

Read 2 more answers