I know its a lot but i dont understand it i have tried to understand it

Answers

Answer 1

Answer: The method for this kind of thing is PEMDAS
1. Parentheses
2. Exponents
3. Multiply
4. Add
5. Subtract
Do it in this order.
Tell me if you need more help.

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The times for three swimmers are 101.85 seconds, 101.6 seconds, and 59.625 seconds. Which is the winning time?

Answers

Answer:59.625

Step-by-step explanation: The winner in a swimming race is whoever finished the fastest and that would be 59.625

Answer:

the 59.625 second swimmer.

Step-by-step explanation:

the time for the swimmer to finish the race is the least, so it was the fastest time

HELP ASAP PLEASE!!! Can someone help me factor out 3x^2+7x-6??

Answers

1/3(3x+9)(3x-2)

=(x+3)(3x-2)

Michael orders pizzas from Pizza by Alfredo and from Alfredo’s Pizza Cafe. The pizzas fromPizza by Alfredo costs $3 each, and the pizzas from Alfredo’s Pizza Cafe costs $5 each. Michael spent $24 more on pizza from Alfredo’s Pizza Cafe than he did at Pizza by Alfredo. If Michael spent $66 in total, how many pizzas did he buy from each place?

Answers

Michael bought 7 pizzas from Pizza by Alfredo and 9 pizzas from Alfredo's Pizza Cafe.

Step-by-step explanation:

Cost of Pizza at Pizza by Alfredo = $3

Cost of pizza at Alfredo's pizza cafe = $5

Total amount spent = $66

Let,

Pizzas bought from Pizza by Alfredo = x

Pizzas bought from Alfredo's Pizza Cafe = y

According to given statement;

3x+5y=66 Eqn 1

5y = 3x+24 Eqn 2

Putting value of 5y from Eqn 2 in Eqn 1;

$3x+(3x+24)=66\n3x+3x+24=66\n6x=66-24\n6x=42$

Dividing both sides by 6

$(6x)/(6)=(42)/(6)\nx=7$

Putting x=7 in Eqn 2

$5y=3(7)+24\n5y=21+24\n5y=45$

Dividing both sides by 5

$(5y)/(5)=(45)/(5)\ny=9$

Michael bought 7 pizzas from Pizza by Alfredo and 9 pizzas from Alfredo's Pizza Cafe.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

2.45 as a mixed number

Answers

2.45 = 2 +0.45 = 2 + 45/100 = 2 + 9/20 = $2 (9)/(20)$

What is the solution to 48 - 3x) > 6x-8?

Answers

Answer:

Step-by-step explanation:

(48-3x)>6x-8

48-3x>6x-8

Collecting like terms, we have

-3x-6x>-8-48

Moving variables or numbers from one side to the other changes the sign it carries

-9x>-56

Divining both sides by -9 changes the inequality sign

x<56/9

x<6.22

Evaluate 8-11 to the square root of 25/121

Answers

$\frac{8-11}{\sqrt{(25)/(121)}}=\frac{-3}{\sqrt{(25)/(121)}}=(-3):\sqrt{(25)/(121)}=(-3):(√(25))/(√(121))=(-3):(5)/(11)=(-3) \cdot (11)/(5)=\n \n = -(33)/(5)=-6(3)/(5)$

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