MATHEMATICS HIGH SCHOOL

Multiply. Enter your answer in scientific notation.
(7 x 10^*13) (3.39 x 10^*5)=

Answers

Answer 1
Answer:

Step-by-step explanation:

(7 x 10^*13) (3.39 x 10^*5)

= 23.73 × 10¹⁸

=2.373 × 10¹⁹
Answer 2
Answer:

Hello there!

(7x10^13)(3.39x10^5)

70,000,000,000,000

339,000

2.373x10^19

Hope this helps!

#HaveAnAmazingDay

(: GraceRosalia :)

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2x+5y=16 -5x-2y=2Solve the following system of equations. Express your answer As an ordered pair in the format (a,b), with no spaces between the numbers or symbols.
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state whether the lines represented by the equations y=1/2x-1 and y+4=-1/2(x-2) are paraller, perdendicular, or neither

Answers

The lines represented by the equations y=1/2x-1 and y+4=-1/2(x-2) are neither parallel nor perpendicular.

What is an equation?

An equation is slope-interceptthat shows the relationship between two or more numbers and variables.

The first equation y=1/2x-1 is already in the slope intercept form. The slope is, 1/2, and the y-intercept is -1.

The second equation y+4=-1/2(x-2)

From this equation, the slope is -1/2 and the y-ina tercept is -3.

When two lines ara e parallel, they have the same slope. one has slope of 1/2 and the other has slope of -1/2 thus these are not the same our lines are not parallel.

When lines are perpendicular, the slope of one is the negative reciprocal of the other which is not satisfied in the given equations.

Thus, we conclude that the lines represented by the equations y=1/2x-1 and y+4=-1/2(x-2) are neither parallel nor perpendicular.

Learn more about equations here;

brainly.com/question/25180086

#SPJ2
The easiest way to tell whether lines are parallel, perpendicular, or neither is when they are written in slope-intercept form or y = mx + b. We will begin by putting both of our equations into this format.

The first equation, y = (1)/(2)x - 1 is already in slope intercept form. The slope is 1/2 and the y-intercept is -1.

The second equation requires rearranging.
y + 4 = -(1)/(2)(x - 2) \n y + 4 = -(1)/(2)x + 1 \n y = - (1)/(2) x- 3
From this equation, we can see that the slope is -1/2 and the y-intercept is -3.

When lines are parallel, they have the same slope. This is not the case with these lines because one has slope of 1/2 and the other has slope of -1/2. Since these are not the same our lines are not parallel.

When lines are perpendicular, the slope of one is the negative reciprocal of the other. That is, if one had slope 2, the other would have slope -1/2. This also is not the case in this problem.

Thus, we conclude that the lines are neither parallel nor perpendicular.

Two of your friends, Matt and Karen, both run to you to settle a dispute. They were working on a math problem, and got different answers. Wisely, you decide to look at their work to see if you can spot the source of confusion.Matt

6 – 4(3 – 5)2 + 30 ÷ 5
6 – 4(–2)2 + 30 ÷ 5
6 – 4(4) + 30 ÷ 5
6 – 16 + 30 ÷ 5
−10 + 30 ÷ 5
20 ÷ 5
4
Karen

6 – 4(3 – 5)2 + 30 ÷ 5
6 – 4(–2)2 + 30 ÷ 5
6 – 4(−4) + 30 ÷ 5
6 + 16 + 30 ÷ 5
6 + 16 + 6
22 + 6
28 Explain to Matt and Karen who, if either, is correct, and identify errors that you find. Provide the correct manner to fix those solutions, and identify the correct answer. Use complete sentences.

Answers

so in matt's equation, he made a mistake in the a transision from line 2 to line 3 
in line 2:  -4(-2)2
in line 3: -4(4) 
the mistake is that -2 times 2 is not equal +4 it is equal to -4
also from lines 5 to 6 he made a mistake in order of opperations (mulit division then addition and subtract)
line 5: -10+30/5
line 6: 20/5

so he first subtracted 10 then divided, he should have divided then subtracted
so the equation should have equaled 

Karen used the correct (-) times (+) property and the order of operations
so Karen is correct and Matt is wrong.
Karen is correct. (-2)2 is -4, not 4 in Matt's answer. Also, Karens, order of operations on the 4th line is correct. She does her division first, and Matt completes his subtraction first. PEMDAS, parenthesis, exponents, multiplication, division, addition, subtraction.

Which equation is true when b = -4?A b/4 + 5.5 = 4.5
B -54 + 2b = -46
С 7b - 8 = -20
D b/8 - 6 = -8

Answers

Answer:

A

Step-by-step explanation:

-4/4 = -1

-1+5.5

=4.5
The answer is B. -54+2b=-46

PLEASE PLEASE HELP IVE BEEN DOING THIS FOR AN HOUR​

Answers

Answer:

Use: sin

h= 78.8

Step-by-step explanation:

The x coordinate of the point that contains is always 0

Answers

The x coordinate of the point that contain always zero is- 0
Your question is in the answer...0.

Like Conejsuarez said.

David Howell was shopping for a leather jacket. He found one at the department store that was selling for $395. He learned that an inflation rate of 4.5% has occurred since the jacket was originally priced. What was the original price of the jacket?

Answers

David Howell was shopping for a leather jacket and found one on the dept. store that costs 395 dollars.
Now, he learned that an inflation rate of 4.5% has occurred since the jacket was originally priced.
=> 395 dollars * .045 = 17.775
=> 395 dollars - 17.775  = 377.23 is the original price of the jacket.
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