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krok68 [10]
3 years ago
7

Andrea needs a new air conditioning system for her house. An air conditioner needs to

Mathematics
1 answer:
stiv31 [10]3 years ago
6 0

Answer: 29400

Step-by-step explanation:

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If (5x−2)^2=ax^2−bx+c, what is the value of a+c^2?
Nostrana [21]

Answer:

41

Step-by-step explanation: u first expand (5x-2)²

to get 25x²-20x+4

then by comparing it to ax²+bx=c

u get a=25 b=-20 and c=4

the u evaluate a+c²

25+4²

=41

3 0
3 years ago
|-2x + 4| > or equal to 4
gulaghasi [49]

\text{When you solve for absolute value, there could be two possible outcomes}\\\\\text{In this question, the outcomes could be:}\\\\-2x+4\geq4\\\text{or}\\\\-2x+4\geq-4\\\\\text{Solve:}\\\\\text{Possibility 1:}\\\\-2x+4\geq4\\\\\text{Subtract 4 from both sides}\\\\-2x\geq0\\\\\boxed{x\leq0}\\\\\text{Possibility 2:}\\\\-2x+4\geq-4\\\\-2x\geq-8\\\\\boxed{x\geq4}

7 0
4 years ago
Guys!!! I need help ASAP!!!!
loris [4]
<h2><u>Solution 1</u> :</h2>

Cost of 1\frac{1}{3}pounds of gummy bears = $4.40

Cost of 1 pound of gummy bears :

= 4.40 \div 1 \frac{1}{3}

=  \frac{440}{100}  \div  \frac{4}{3}

=  \frac{440}{100}  \times  \frac{3}{4}

=  \frac{1320}{400}

=  \frac{1320 \div 20}{400 \div 20}

=  \frac{66}{20}

=  \frac{66 \div 2}{20 \div 2}

=  \frac{33}{ 10 }

= 3 \frac{3}{10}

= \color{plum}\bold{\$3.3}

Therefore, 1 pound of gummy bears = <u>$3.3</u>

<h2><u>Solution 2</u> : </h2>

Cost of 1 pound of gummy bears = $3.3

Money Daniel has = $1.00

Quantity of gummy bears he can afford :

= 1 \div 3.3

= 1 \div 3 \frac{3}{10}

= 1 \div  \frac{33}{10}

= 1 \times  \frac{10}{33}

=  \frac{10}{33}

= 0.30

Therefore, Daniel will be able to buy <u>0.30 pounds</u> of gummy bears from Jio.

8 0
3 years ago
How to say 10 × (2.5 + 13.5) in word form
Dvinal [7]

ten times bracket two Point five add thirteen Point five bracket
8 0
3 years ago
Read 2 more answers
What is the reciprocal of 7/12​
Galina-37 [17]

Answer:

12/7

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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