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alexira [117]
3 years ago
12

Just number 9 not the other one please help

Mathematics
2 answers:
vazorg [7]3 years ago
7 0

Answer:

c 10

Step-by-step explanation:

If we want to know how much bigger object A is than object B is we take object A and divide it by object B

object A        4 * 10^-3

-----------   = -------------

Object B        4 * 10 ^-4

When dividing exponents with the same base

We can subtract them.  The numbers out front get divided

4/4 * 10 ^ (-3- -4)

1 * 10 ^(-3+4)

1 * 10 ^1

10

Paladinen [302]3 years ago
4 0

Answer:

I do believe the answer is C

Step-by-step explanation:

.004 / .0004 =

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One of the tables shows a proportional relationship. Graph the line representing the proportional relationship from this table i
Mkey [24]

Answer:

Table C

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Find the value of the constant of proportionality in each table

Table A

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-3 ------>k=-3/-1=3  

This table has different values of k

therefore

the table A does not represent a proportional relationship

Table B

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=3 ------>k=3/1=3  

This table has different values of k

therefore

the table B does not represent a proportional relationship

Table C

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=2 ------>k=2/1=2  

For x=2, y=4 ------>k=4/2=2  

This table has the same value of k

therefore

the table C  represent a proportional relationship

Table D

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=2 ------>k=2/1=2  

For x=2, y=6 ------>k=6/2=3  

This table has different values of k

therefore

the table D does not represent a proportional relationship

3 0
3 years ago
Read 2 more answers
Use the quadratic formula to find the roots of y = x2 + 5x + 6 :
Katena32 [7]

Answer: x = -2 and x = -3

Step-by-step explanation:

y = x^2 + 5x + 6 *FACTOR*

(x+2) (x+3) = 0

x + 2 = 0

  -2     -2

x = -2

x + 3 = 0

    -3   -3

x = -3

7 0
3 years ago
Read 2 more answers
What is the factored form of this expression?<br> 18x^2- 50
jenyasd209 [6]

Answer:

2 ( 3²x² - 5² )

Step-by-step explanation:

it is the answer

7 0
3 years ago
PLEASE!!! ASAP!!! WILL GIVE BRANLIEST!!! SHOW &amp; EXPLAIN!!
pashok25 [27]

Answer:

365 messages

Step-by-step explanation:

x = # text messages)

16.5 = 10 + .10(x - 300)

6.5 = .10x - 30

36.5 = .10x

x = 365

6 0
3 years ago
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Smallville High School scored more than 30 points in their last football game entirely from safeties and field goals. (In
Reika [66]

Inequalities help us to compare two unequal expressions. The inequality for this scenario in standard form is 2x + 3y > 30.

<h3>What are inequalities?</h3>

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed.

It is mostly denoted by the symbol <, >, ≤, and ≥.

Let the safety counts be represented by x, while the field goal count is represented by y.

Part A: The inequality for this scenario in standard form.

2x + 3y > 30

Part B: The inequality in slope-intercept form.

2x + 3y > 30

3y > 30 - 2x

y > 10 - (2/3)x

y < (2/3)x - 10

PartC: The inequality is represented below.

Learn more about Inequality:

brainly.com/question/19491153

#SPJ1

7 0
1 year ago
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