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nata0808 [166]
3 years ago
7

What is the value of x? ​

Mathematics
1 answer:
Aliun [14]3 years ago
7 0

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

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Why is the answer not all of them?<br><br> (look at image)
JulsSmile [24]
Just use quiz lit and it’ll give you all the answers you need for your answers
8 0
3 years ago
What is the sign of the product (-5)(-3)(-8)(-6)? (5 points) Positive, because the products (-5)(-3) and (-8)(-6) are negative,
Hatshy [7]
<h3>Answer: Choice B</h3>

Positive, because the products (-5)(-3) and (-8)(-6) are positive, and the product of two positive numbers is positive

=======================================================

Explanation:

Recall we have these rules

  • positive times positive = positive
  • positive times negative = negative
  • negative times negative = positive

Here is one example for each rule

  • 8*7 = 56
  • 5*(-9) = -45
  • -2*(-4) = 8

So based on that, we know that (-5)(-3) is positive. The two negatives cancel each other out so to speak. The same goes for (-8)(-6). Then multiplying any two positive numbers produces another positive outcome.

4 0
2 years ago
There is a 15% discount on all items in a store. You buy a $12 shirt and $45 jeans. What will be your total cost?
Nina [5.8K]

Answer:

The total cost of the shirt and Jean's together with a 15% discount would be $48.45.

Step-by-step explanation:

if you at 12 and 45 you get 57 now if you multiply that by .15 which would be 15% you would get $48.45.

6 0
3 years ago
Read 2 more answers
What are the solutions of the equation 4x2 3x = 24 – x? –3, 2, or 4 –3 or 2 –2, 3, or 4 –2 or 3
Sedbober [7]

Answer:

2 and - 3

Step-by-step explanation:

I've attached my work...

- 4 + 20 / 8 -> 16/8 = 2

- 4 - 20 / 8 -> -24/8 = -3

Please give me feedback on my repsomse by commenting,

any way i can improve showing my work?

Hope it helps, let me know if you have questions !

Have a nice rest of your day :)

5 0
2 years ago
What is the place value for 318,472,008
Crank
Salutations!

What is the place value for 318,472,008

The number 3 is in the place as hundred million.

In the numeric form, we can write this as---------

300, 000, 000

Hope I helped.
3 0
3 years ago
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