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Gennadij [26K]
3 years ago
12

If 5x+2=12,then 3x=?​

Mathematics
2 answers:
Butoxors [25]3 years ago
5 0

Answer:

Step-by-step explanation:

x+10/3

wariber [46]3 years ago
3 0

Answer:

5x+2=12 then x = (12 - 2)/5 = 2

so 3x2 = 6

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What is the value of x when the richter scale rating scale is 8.4?
Vsevolod [243]

The value of x when the richter scale rating scale is 8.4 is 251188643.151

<h3>What is a richter scale?</h3>

A richter scale is a numerical scale that is used for expressing the magnitude of an earthquake in a geographical area

<h3>How the richter scale works?</h3>

The richter scale takes the amplitude of the earthquake's largest seismic as an input and calculate (and display) the magnitude of an earthquake in the geographical area using a logarithmic function

<h3>How to determine the value of x?</h3>

The formula of a richter scale is expressed as:

log(x) = n

Where n represents the scale rating of the scale

In this case, n = 8.4.

So, we have:

log(x) = 8.4

Express as an exponent

x = 10^8.4

Evaluate the exponent

x = 251188643.151

Hence, the value of x when the richter scale rating scale is 8.4 is 251188643.151

Read more about richter scale rating at

brainly.com/question/19799610

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7 0
1 year ago
Pretty please help! there are 4 graphs.
Iteru [2.4K]

Answer: The answer is D.

Step-by-step explanation: Considering that the dots represent people, all you have to do is count the dots. Graph D is the only plot that has three in both 6 and 8.

Hope this helps & Good Luck,

Melodii

8 0
3 years ago
Read 2 more answers
Write and solve an equation based off the verbal phrase. 10 less than half a number is 27
Naily [24]
Do 27 - 10 = 17∠ 10 
Your welcome
3 0
3 years ago
Which equation demonstrates the multiplicative identity property?
dedylja [7]

Answer: Further explanation

There are several number operations that involve multiplication:

1. commutative

2. associative

3. closed

Multiplication between integers will produce integers too

4. distributive property

* addition

* substraction

5. identity

The multiplicative identity property is a multiplicative property in mathematics where each number multiplied by 1 will produce the original number or can be stated simply  :

"The product of any number and one is that number"

So The Multiplicative Identity is 1

can be stated in the formula:

From the available answer choices

a) (- 3 + 5i) + 0 = -3 + 5i

this is an addition operation and not multiplication while O is an identity in the sum operation, so the statement is false

b) (-3 + 5i) (1) = -3 + 5i

this is a multiplication operation and 1 is a Multiplicative Identity of multiplication, so the statement is true

c) (-3 + 5i) (-3 + 5i) = -16-30i

d) (-3 + 5i) (-3 + 5i) = 16 + 30i

choice c and is a multiplication factor, so the statement is false

Step-by-step explanation:

5 0
3 years ago
2x - 10 = 20 pls help?
Anettt [7]

Answer:

x=15

Step-by-step explanation:

2x-10=20

2x-10+10=20+10

2x=30

2x/2 = 30/2

x=15

3 0
3 years ago
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