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Yuki888 [10]
3 years ago
11

A liter of water contains about 3.35•10^25 molecules. A certain river discharges about 2.3•10^7 litter of water every second. Ab

out how many molecules does the river discharge every minute. Write your answer in scientific notation.
Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

Jaylynn draws a hen with a scale of

2

22 units on her graph paper represents

6

cm

6cm6, space, c, m. The hen is

1

6

1616 units tall in the drawing.

A hen on graph paper. A 16-unit long line is labeled, "height." A 2-unit long scale is labeled, "6 centimeters."

6

cm

6 cmheight

What is the height, in

cm

cmc, m, of the actual hen?

Step-by-step explanation:

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Which values of a and b make the following equation true? (5x7y2)(-4x4y5)=-20xayb
Kaylis [27]

Answer:

The values of a and b are a = 11 , b = 7

Step-by-step explanation:

* Lets explain how to solve the problem

* In the exponential functions we have some rules

1-  In multiplication if they have same base we add  the power

# Ex: b^m  ×  b^n  =  b^(m + n) ⇒ b is the base , m and n are the powers

2- In division if they have same base we subtract  the power

# Ex: b^m  ÷  b^n =  b^(m – n) ⇒ b is the base , m and n are the powers

3- If we have power over power we multiply them

# Ex: (b^m)^n = b^(mn) ⇒ b is the base , m and n are the powers

* Lets solve the problem

∵ The equation is (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{a}y^{2} ⇒ (1)

- At first multiply the coefficients

∵ -4 × 5 = -20

- Multiply the base x

∵ (x^{7})(x^{4})=x^{7+4}=x^{11}

- Multiply the base y

∵ (y^{2})(y^{5})=y^{2+5}=y^{7}

∴ (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{11}y^{7} ⇒ (2)

- By comparing (1) and (2)

∴ a = 11 and b = 7

* The values of a and b are a = 11 , b = 7

5 0
3 years ago
Read 2 more answers
Minimize the objective function P = 45x + 48y for the given constraints.
BabaBlast [244]

Answer:

Following are the solution to the given equation:

Step-by-step explanation:

The graph file and correct question are defined in the attachment please find it.

According to the linear programming principle, we predict, that towards the intersections of the constraint points in the viability area, and its optimal solution exists.  The sketch shows the points that are (0,16), (3,1), and (6,0).

by putting each point value into the objective function:

\to P(0,16) = 768\\\\\to P(3,1) = 183\\\\\to P(6,0) = 270

Thus, the objective of the function is reduced with a value of 183 at (3,1).

5 0
3 years ago
What is the area of the wall that will be painted
svp [43]

Answer:

B. 104

Step-by-step explanation:

Just find the area of the wall and subtract the area of the window. The area of the wall is 10 times 11 which is 110. The area of the window is 2 times 3 which is 6. 110 minus 6 is 104.

6 0
3 years ago
Help me please, it would be highly appreciated! Please also explain how you got your answer.
GalinKa [24]

Answer:

answer number 2

Step-by-step explanation:

8 0
3 years ago
Can someone plz help!!!! :(
Hunter-Best [27]

Answer:

60 degress

Step-by-step explanation:

How I got it:

1. Find out the angel of each side. 360 divded by 6 = 60

2. Get the answer of 60

Advice:

-Make an polygon using paper and rotate it. (Use protractor and ruler if your gonna do it)

6 0
3 years ago
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