MATHEMATICS MIDDLE SCHOOL

Every square meter of solar paneling produces 0.2 kilowatts of electricity. Which of the following models this situation?

Answers

Answer 1
Answer: "Power produced"=0.2 (area of panels) .
Answer 2
Answer:

Answer:

exponential decay function

Step-by-step explanation:

cuz if it were to be 1.2 it would grow but its gowing .02 so it is going down by 2%

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So I'm doing angles and I have find the value of X.and I have X and 110 degrees.how do I do that and what's the answer?

Answers

The angles are equal. x=110.
they are both the same so 110* so x=110*kk easy

Andreas invested $1000 in a savings account. After 4 years, the account had earned a total of $112 simple interest without any additional deposits. What was his interest rate?

Answers

The formula to figure out Simple Interest is: I = PRT. Since this question is asking you to find the interest rate, you just have to rearrange the equation to make R the subject.

> R = I/PT
>> R = 112/1000 x 4 = 0.028 x 100 (find percentage) = 2.8%

How old am i if 200 reduced by 2 times my age is 16

Answers

x-your\ age\n\n200-2x=16\ \ \ \ \ |subtract\ 200\ from\ both\ sides\n-2x=-184\ \ \ \ \ \ |divide\ both\ sides\ by\ (-2)\n\boxed{x=97}\leftarrow answer

A farmer collected 12 dozen eggs from her chickens. She sold 5/6 of the eggs to the farmers market and gave the rest to friends and neighbors. How many dozens of eggs did the farmer give away

Answers

Multiply 12 x 12 which is 144. And then you divide that by 6 and you get 24
She collect 12 dozens , a dozen = 12

12 Dozens = 12 * 12 = 144

She gave 1/6 to her friends and family, to find 1/6 you divide it.
144 / 6 = 24
24 = 1/6

She gave 24 to her friends and family

Bianca has to drive 180 miles to her aunts house . She drove 30% of the total distance before lunch . How many miles did she drive before lunch ?

Answers

Bianca drove 54 miles. 
 
 180 x 30%(0.30) = 54. 
  
 So thats why ur answer is 54 and hopefully i helped you.

 
Hi

180 ⇒ 100%
x ⇒ 30%

100x = 30·(180)
100x = 5400
x = 5400/100
x = 54 miles

Answer: 54 miles

3) Katie leaves a 25% tip ona restaurant bill of $82.OO Including the tip, what is the total amount of her bill?

Answers

1way

100% + 25% = 125% =1,25
82$ * 1,25 = 102,5$ whole
.....................................................................
2way

100% = 82$
25% = 0,25 = ?

82$ * 0,25 = 20,5$
100% + 25% = 82$ + 20,5$ = 102,5$ whole

................................................................
2way

82$ * (1 + 0,25( = 82$ * 1,25 = 102,5$
You need to multiply $82 by 0.25 (which is 25%). You get $20.50. Just add $82 and $20.50 to get your total cost of the bill. It'll be $102.50
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