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garri49 [273]
3 years ago
11

Can you answer number 1? I'm not sure if i got it right.

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0

Answer:

Step-by-step explanation:

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Can anybody help me with this?
Andrews [41]

\bf 7\times \cfrac{n}{4}>7\implies \cfrac{7n}{4}>7\implies \cfrac{n}{4}>\cfrac{7}{7}\implies \cfrac{n}{4}>1\implies n>4

whatever value "n" is, it must be greater than 4, cannot be 4 or less.

notice that simplifying inequalities is hardly any different than doing equalities, there's just one difference when using a negative factor.

\bf 7\times\cfrac{a}{b}=7\implies \cfrac{7a}{b}=7\implies \cfrac{a}{b}=\cfrac{7}{7}\implies \cfrac{a}{b}=1\implies a=b

whatever value "a" might be, it must be equal to "b".

6 0
4 years ago
Which inequality is equivalent to I x-4 I <9
Leni [432]

(B) –9 < x – 4 < 9 inequality is equivalent to Ix-4I <9.

<h3>What is inequality?</h3>
  • Inequality is a statement of an order relationship between two numbers or algebraic expressions (greater than, greater than, or equal to, less than, or less than or equal to).
  • Inequality is defined as a difference in size, amount, quality, social position, or another factor.
  • Inequality occurs when you have ten of something and someone else has none.
  • (mathematics) A statement stating that one quantity is less than (greater than) another.

So, Ix-4I <9:

  • |x-4|<9 ⇒ -9 < x-4 < 9
  • -5 < x < 13

Therefore, (B) –9 < x – 4 < 9 inequality is equivalent.

Know more about inequality here:

brainly.com/question/11613554


#SPJ9

The complete question is given below:

Which inequality is equivalent to I x-4 I <9?

A –9 > x – 4 < 9

B –9 < x – 4 < 9

C x – 4 < –9 or x – 4 < 9

D x – 4 > –9 or x – 4 < 9

4 0
2 years ago
There is 6.4% sales tax on a $1,500 television. how much tax is owed?
Pavlova-9 [17]
What you need to know before I explain is how to add percents onto numbers.  What I'm saying is what and how to do 6.4% x 1500

1. You can't do a percent and number together, that's impossible
What you can do is convert the percent (6.4%) into a decimal

2. 6.4% is equivalent to 6.4/100, which is equivalent to 0.064

3.  Now, you multiply 0.064 x 1500

You will notice, hopefully, that you have a number smaller than 1500, but do not panic, you are on the right track!

4. Using the number you got, add that to 1500, and there's your total!

But, if you want only the tax, keep that small number you started off with!
5 0
3 years ago
Neeed Helppp plzzz !
n200080 [17]

Answer:

PLANE P.......

HOPE ITS HELP YOU

4 0
3 years ago
Read 2 more answers
-1/7 is greater than all of the following expect______.<br>A. -1/3<br>B. -1<br>C. -2<br>D. -0.1
VladimirAG [237]
-0.1 is your answer <3
4 0
3 years ago
Read 2 more answers
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