8x{[(7+4)x2]-[(11-7)x4]}

Answers

Answer 1

Answer: Well, think about the Order of Operations here. The normal parenthesis are the first to get solved.
8x{[(11)x2]-[(4)x4]}
Next, the brackets.
8x{[22]-[16]}
After the Brackets come the braces.
8x{6}
And finally, just multiply.
The answer is
48
Hope it Helps! :)

Answer 2

Answer: This is your answer -8x3 • (4x2 - 11)

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QUICK!Lucy is trying to find a rational number between 3 \8
and 6 \7
. What would help her to find this number?

A)Divide 3\ 8 by 6\ 7
.
B)
Convert 3 \8 and 6\ 7 to fractions with a common denominator.

C)
Find a common numerator and multiply the denominators by this number.
Eliminate

D)
Find a number between 3 and 6 to get the numerator and add 8 and 7 for the denominator.

Answers

So,

In order to find numbers that are in between 3/8 and 6/7, Lucy must make common denominators first.

LCM of 8 and 7: 56

Multiply each fraction by the appropriate form of 1:
$(3)/(8) * (7)/(7)\ AND \ (6)/(7) * (8)/(8)$

$(21)/(56)\ AND\ (48)/(56)$

We can immediately see that any fraction with a numerator between 21 and 48 and a denominator of 56 will fit into the criteria Lucy needs.

The correct option is B.

Answer:

Step-by-step explanation:

1. Tom and his best friend Edward are seeking to join a gym. Tom saw on television that Platinum Gym was having a grand opening in a few months. Tom is considering a membership at Platinum Gym. Platinum Gym charges a one-time registration fee of $60, and membership is $20 a month. Tom’s best friend Edward says he plans to join Super Fit because Super Fit only charges $10 a month but has a one-time registration fee of $150.(a) Write an expression to represent the membership cost of Platinum Gym for x months.(b) Write an expression to represent the membership cost of Super Fit for x months.
(c) If Tom decides to join Platinum Gym and Edward joins Super Fit, who would pay less during the first month of membership? Who would pay less after a year of membership? Show your work.
(d) Is there a membership period for which Tom and Edward would pay the same amount? If so, how long would this membership be and how much would it cost? Show your work.
(e) Which gym membership is a better deal? Explain why.

Answer:

Answers

A) let x=months let y=costy=mx+by= 20x+ 60Remember 20 is the variable which means in this case every month it cost 20$ and 60 is the constant which means you only pay it onceB) let x= Months let y= costy=10x + 150C) platinum gymy= 20x+60y=20(1)+60y=20+60y=80Superfity=10x+150y=10(1)+150y=10+150y=160Therefore Tom will pay less after the first monthD) y=y solve for xy=20x+60y=10x+15020x+60=10x+150-10x. -10x10x+ 60=150-60. -6010x=9010x/10=90/10X=99 monthsPick any equation and sub in xY=10x+150Y=10(9)+150Y=90+150Y=240240$Know that you only have to do one equation to find y but if you want to show both you canTherefore there is a period where Tom and Edward paid the same amount, after nine months they would both pay $240E) if they plan on going to the gym 9 months and less the best deal gym is platinum gym but if they want to go for more then 9 months then the best deal gym is super fit

What is 480 increased by 25%.
what is the new number?

Answers

The new number is 600.How do we get 600? Here’s how:
1. First, we have to get the 25% of 480.
      Multiply 480to 25%.
                   480x 25%= n
Change 25% to decimal form.
                   25/100(as per value of % symbol)
                   25% is 0.25So, 480 x 25% = n is:
                 480x 0.25 = 120
  2. Add 25% of 480 (120)and 480.
      480 + 120 =600
Therefore, when 480 is increased by 25%, it is 600.

480 * 25%480 * 0.25480 * 0.25 = 120480 + 120 = 600.480 increased by 25% is 600

Wendy earns $2 for every table she serves plus 20% the total customer order. Define a variable and write an expression to represent the amount of money she earns for one table

Answers

The question asks you to write an algebraic expression to represent the amount of money she earns for one table:

$2(1) + 0.20(c) = m

Explanation:

She earns $2 per table and she's serving one table, so it would be $2(1)
and then she also earns 20% of the total customer order, so it would be
+ 0.20(c), c stands for the customer order

and m would represent the amount of money she earned

On Monday, a clothing store sold 25 pairs of pants. On Tuesday, the store sold 37 pairs of pants.What was the percent of increase in number of pants sold from Monday to Tuesday? PLEASE HELP FAST!!!!

Answers

hello u,
on monday⇒25pants
tuesday⇒37pants
u agree that there is an increase in sail from monday to tuesday.this increase is calculated as follows,
%increase=[(number of pants sold on tuesday-pants sold on monday)/number of pants sold on monday]*100=48%

goodluck

The following octagon is formed by removing four congruent right triangles from a rectangle. What is the area of each triangle? 2 cm2
4 cm2
8 cm2

Answers

I hope this helps you

Area of the right triangle is

base×height /2

2×2/2

the area of each triangle is 2cm

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