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Agata [3.3K]
3 years ago
10

Twelve more than the product of a number and four is fewer than 60. Write the above sentence as an algebraic inequality.

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0
It is 4n +12 < 60 And let n = a number
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1) any letters can change into an a
Dimas [21]
CAC can be changed into CAAC. This is because the first rule says that any letter can change into an A so
 CAC=CAA
The last condition says that when you double , you have to double all letters,
Since A has been doubled,C needs to be doubled too.So:
CAA=CAAC

4 0
3 years ago
If 3 is added to a number and multiplied the result by 5 gives 55 what is the number​
MakcuM [25]

Answer:24

Step-by-step explanation:Let the number we seek be X.

We are Given:

1). (5X+3 ) x (2) = 30

Expand and Rearrange.

(10X +6 ) = 30.

10X = 24.

2). X equals 2.4 . This is the answer for the number we seek.

Always check the answer.

This is Good Working Practice ALWAYS.

For Exams or similar remember:

Presentation (Neat & Tidy), Method & Layout (Show you understand), Accuracy.

All these count in most exams.

The first two points help greatly if your Answer is in error, but your METHOD Is CLEAR & CORECT.

Similarly, if the Check is wrong, mention this, but also, if the case, mention e.g. time ran out .. You may be credited as AWARE if your presentation and Method show you understood what to do and why.

CHECK: Substitute the answer for X into the original equation 1).

Equn. 1). (5X +3)*2 = 30.

Put in the value for X. Expand & Re-arrange.

(( 5 ).( 2.4 ) + ( 3 ).( 2 ) = 30.

( 12 + 6 ) = 30.

24 = 24. Checked & Agreed.

That’s about it.

6 0
2 years ago
I need help please!☺️
ehidna [41]
The answer is 10 hope it helps SORRY IF I’M WRONG
4 0
3 years ago
A student needs to earn 80 points on the test in order to keep an A grade for the semester. Write an equation that represents th
Annette [7]
The most simple way is to get 8 questions right on a ten question test. 8q/10q = 80%.
4 0
3 years ago
6x+6+9x+9=? Please help
Hoochie [10]

Answer:

15x + 15

Step-by-step explanation:

Combine like terms. Like terms are terms with the same amount of variables. Set the equation so that the terms are grouped:

6x + 9x + 6 + 9

Combine like terms:

(6x + 9x) = 15x

(6 + 9) = 15

15x + 15 is your answer.

~

5 0
3 years ago
Read 2 more answers
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