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AlladinOne [14]

3 years ago

9

Find the value of given expression

title=" \sqrt{22\times 22} " alt=" \sqrt{22\times 22} " align="absmiddle" class="latex-formula">

2 answers:

Leno4ka [110]3 years ago

5 0

Answer:

<u>hello</u>!!

your answer is 22

Step-by-step explanation:

Usimov [2.4K]3 years ago

4 0

Answer:

$\sqrt{22 \times 22} \\ = > \sqrt{484} \\ = > 22$

Hence,22 is the required value.

Thank You!

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What is 9-3y=x I don't know this one

torisob [31]

The answer is
y= - x-9/3 I believe.
1- Subtract 9 from both sides.
-3y = x - 9
2- Divide both sides by -3
y = - x-9/3

4 0

4 years ago

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Dmitry [639]

Answer:

The average rate will be -11000 dollars per year.

Step-by-step explanation:

The price of a house in 2005 = $250,000

The price of a house in 2010 = $195,000

at x₁ = 2005, f(x₁) = 250,000

at x₂ = 2010, f(x₂) = 195,000

Using the formula to determine the average rate of change for the

house each year.

Average rate = [f(x₂) - f(x₁)] / [ x₂ - x₁]

= [195,000 - 250,000 ] / [2010-2005]

= -55000 / 5

= -11000

Therefore, the average rate will be -11000 dollars per year.

3 0

4 years ago

4 less than the quotient of x and -5

Lesechka [4]

Answer:

(x/-5)-4

Step-by-step explanation:

quotient means division

so the quotient of x & -5 can be written as x/-5

4 less than this is (x/-5)-4

5 0

4 years ago

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Jaime en un joven que vive en puyo con su padre. A jaime le gusta cosechar chonta con su padre los sabados en la mañana jaime ha

xenn [34]

Answer:

$\large \boxed{\text{23 s}}$

Step-by-step explanation:

Jaime is at point A and wants to get across the river to Point B.

They must head upstream towards Point C.

1. Calculate the net speed across the river.

∆ABC is a right triangle, so

$\begin{array}{rcl}AB^{2} + BC^{2} & = & AC^{2} \\AB^{2} +10^{2} & = & 12^{2} \\AB^{2}+100& = & 144 \\AB^{2}& = & 44\\AB & = & \sqrt{44}\\& = & 2\sqrt{11}\\& \approx &\textbf{6.633 m/s}\\\end{array}$

2. Calculate the time to cross the river

$\text{Time} = \text{150 m} \times \dfrac{\text{1 s}}{\text{6.633 m}} \approx \textbf{23 s}\\\\\text{It will take $\large \boxed{\textbf{23 s}}$ to cross the river.}$

7 0

3 years ago

Doreen Schmidt is a chemist. She needs to prepare 32 ounces of a 13% hydrochloric acid solution. Find the amount of 16% soluti

klasskru [66]

Answer:

She should mix <u>20 ounces</u> of 16% solution and <u>12 ounces</u> of 8% solution.

Step-by-step explanation:

Given:

Doreen Schmidt needs to prepare 32 ounces of a 13% hydrochloric acid solution.

Now, to find the amount she should mix of 16% solution and of 8% solution.

Let the 16% solution amount be $x.$

And let the 8% solution amount be $y.$

<em>So, the total ounces of solution:</em>

$x+y=32$

$y=32-x$ .......(1)

Now, to solve the equation to get the solution she should mix:

$16\%\ of\ (x)+8\%\ of\ (y)=13\%\ of\ (32)\\\\\frac{16}{100}\times x+\frac{8}{100}\times y=\frac{13}{100}\times 32$

$0.16x+0.08y=0.13\times 32$

Substituting the value of $y$ from equation (1) we get:

$0.16x+0.08(32-x)=4.16$

$0.16x+2.56-0.08x=4.16$

$2.56+0.08x=4.16$

Subtracting both sides by 2.56 we get:

$0.08x=1.6$

Dividing both sides by 0.08 we get:

$x=20.$

<em>The 16% solution amount = 20 ounces.</em>

Now, substituting the value of $x$ in equation (1) we get:

$y=32-x\\\\y=32-20\\\\y=12.$

<em>The 8% solution amount = 12 ounces.</em>

Therefore, she should mix 20 ounces of 16% solution and 12 ounces of 8% solution.

6 0

4 years ago