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elena55 [62]
3 years ago
6

Twice a number is increased by 3 is 7

Mathematics
2 answers:
lys-0071 [83]3 years ago
6 0
7-3=4 

4/2=2

The answer is 2
babunello [35]3 years ago
5 0
2n + 3 = 7

2n + 3 -3 = 7 - 3

2n = 4

2 = 2
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For the complex roots I got 1,2,-3

6 0
3 years ago
HELP
Inga [223]

Answer:

3.75 quarts, rounded to 3.8 quarts

Step-by-step explanation:

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a(the antifreeze we already have)+x(what we're going to add)= 1.5*2.7

Let me explain. If we have 60% antifreeze, 40% is not. 60/40=1.5

Substitute a for 0.3

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2 years ago
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Anna35 [415]
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2 years ago
A basketball player attemps 15 free throws in a game. He makes 9 of the attempted free throws. Which ratio describes the number
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5 0
3 years ago
22+6[(14-5)÷3(17-14)]
mina [271]

The simplification of the expression is 28. The mistake in your calculation occurred in step 3.

<h3>What is the process involved in simplifying expression involving brackets?</h3>

TO simplify expressions involving brackets, we use a common method called BODMAS (Brackets, Of, Division, Multiplication, Addition, and Subtraction).

This means that we will first solve the expression in brackets first, followed by division, multiplication, addition, and subtraction as the case may be.

Now, from the given information, we have:
= 22+6[(14-5)÷3(17-14)]

solving parameters in the bracket first, we have:
= 22 + 6[(9) ÷3(3)]

= 22 + 6[(9) ÷9]          

  • The above step is where you missed it from your calculation, you must first open all brackets within brackets before solving them.

= 22 + 6[(9) ÷9]    

= 22 + 6[ 1]

= 22 + 6

= 28

Learn more about simplifying expressions here:

brainly.com/question/723406

#SPJ1

8 0
2 years ago
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