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Fynjy0 [20]
4 years ago
10

Twice the number n is no less than 10 units from -1

Mathematics
1 answer:
Nataly [62]4 years ago
7 0
This means that 2n is equal to or greater than -1 +10 or -1-10, which can be shown as 2n ≥ 9 and 2n ≥-11, and since 2n ≥11 encompasses both, we can therefore say  2n ≥-11 or n ≥ -5.5 by dividing both sides by 2
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Balu had a collection of coins. 1/2 of the coins are from asian countries, 1/3 of them from european countries, 36 are from amer
Georgia [21]

The total number of coins Balu had in his collection was <u>216 coins</u>, computed using the linear equation in one variable, <u>x = x/2 + x/3 + 36</u>.

Asian coins were 1/2 a fraction of this, that is, (1/2)*216 = <u>108 coins</u>.

We assume the total coins with Balu to be x.

The fraction of coins from Asian countries = 1/2.

Thus, the number of coins from the Asian countries = 1/2 of x = x/2.

The fraction of coins from European countries = 1/3.

Thus, the number of coins from the European countries = 1/3 of x = x/3.

The number of coins from America = 36.

Thus, the total number of coins = x/2 + x/3 + 36.

But, we assumed that the total number of coins is x.

Thus, we get a linear equation in one variable as follows:

x = x/2 + x/3 + 36.

We solve this equation as follows:

x = x/2 + x/3 + 36,

or, x - x/2 - x/3 = 36,

or, (6x - 3x - 2x)/6 = 36,

or, x/6 = 36,

or, x = 36*6 = 216.

Thus, the total number of coins Balu had in his collection was <u>216 coins</u>, computed using the linear equation in one variable, <u>x = x/2 + x/3 + 36</u>.

Asian coins were 1/2 a fraction of this, that is, (1/2)*216 = <u>108 coins</u>.

Learn more about fractions at

brainly.com/question/2929160

#SPJ4

3 0
2 years ago
Which of the following best explains how a single nucleotide substitution can cause hemoglobin molecules to chain together ins
horsena [70]
The correct option is this: THE MUTATION CAUSES THE WRONG AMINO ACID TO BE INCORPORATED INTO THE PROTEIN PRODUCT, WHICH RESULTS IN IMPROPER FOLDING.
There are different type of mutation, one of them is substitution mutation. Substitution mutation occurs when one nucleotide is exchanged for another during the process of nucleotide incorporation. Such a change will result in change in the function of the protein that is been formed.
4 0
3 years ago
Find the cost of 4 tubes of oil paint and 2 canvases
Alona [7]

Answer:

You have to put in the whole word problem

Step-by-step explanation:

5 0
4 years ago
What is the additive inverse of the complex number 9 â€"" 4i? â€""9 â€"" 4i â€""9 4i 9 â€"" 4i 9 4i.
hram777 [196]

Additive inverse is the number you add to a given number to make the sum zero. The addition of both the number must be zero to make both numbers additive inverse.. The additive inverse of the given complex number is

-9+4i

<h3>Addictive Inverse</h3>

Addictive Inverse-Additive inverse is the number you add to a given number to make the sum zero. The addition of both the number must be zero to make both numbers additive inverse.

Let an example, if we take the number 10 and add -10 to it. Thus -10 is the additive inverse of the number 10.

Here, the given number is a complex number. A complex number is a number of the form a + bi, where a and b are real numbers. The given function is,

9-4i

The additive inverse of the above number is,-9+4i

Add both and check by equating with zero,

9-4i+(-9i+4)=0

9-4i+-9i+4=0

0=0

Hence, the additive inverse of the given complex number is -9+4i.

For more about the additive inverse, follow the link below-brainly.com/question/13715269

5 0
2 years ago
Read 2 more answers
If I have a right triangle ab=12 and ac=15 what is BC
OverLord2011 [107]

Answer:

9

Step-by-step explanation:

B²=H²-P²

B²=15²-12²

B²=81

√B=9

therefore it's 9

3 0
3 years ago
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