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viva [34]
4 years ago
5

What is the solution to -3.1x+7-7.4x=1.5x-6(x-3/2)

Mathematics
2 answers:
Rasek [7]4 years ago
4 0
The answer is -1/3


Just look at the attachment

zhannawk [14.2K]4 years ago
3 0
-3.1x+7-7.4x=1.5x-6(x-3/2)
- 10.5x + 7 = 1.5x - 6x + 9
6x = 7 - 9
6x = - 2
x = - 1/3
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Three numbers add up to 210. The second number is 10 more than the first and the third number is 3 times the first. Find the num
svp [43]

Answer:

I. First number, a = 40.

II. Second number, b = 50.

III. Third number, c = 120.

Step-by-step explanation:

Let the three numbers be a, b and c respectively.

Given the following data;

Translating the word problem into an algebraic equation, we have;

a + b + c = 210

b = a + 10

c = 3a

Substituting the value of b and c into the equation, we have;

a + a + 10 + 3a = 210

5a + 10 = 210

5a = 210 - 10

5a = 200

a = 200/5

<em>a = 40</em>

To find the value of b;

b = a + 10

b = 40 + 10

<em>b = 50</em>

To find c

c = 3a

c = 3*40

<em>c = 120</em>

5 0
4 years ago
What do the Roman Numerals CLXXV111 represent
fomenos
178.

If number CLXXVIII is within to text or sentence it should be read in its equivalent in arabic numbers, in this case 178.

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3 0
3 years ago
Help plz!! Will give brainliest
r-ruslan [8.4K]

Answer:

C is the sorrect because those both lines are equal

Step-by-step explanation:

6 0
3 years ago
15/3 = ?/1. what's the missing unit rate ​
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The unit rate is 5/1

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7 0
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Read 2 more answers
What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?
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\bf -105=a_1\left( \cfrac{1-(-2)^6}{1-(-2)} \right)\implies -105=a_1\left( \cfrac{1-(64)}{1+2} \right)&#10;\\\\\\&#10;-105=a_1\left( \cfrac{-63}{3} \right)\implies -105=a_1(-21)&#10;\\\\\\&#10;\cfrac{-105}{-21}=a_1\implies 5=a_1
7 0
3 years ago
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