MATHEMATICS MIDDLE SCHOOL

Multiply (3x3) by 3??

Please help

Answers

Answer 1
Answer: Lets write this out:-

(3 × 3)3

First lets do what is in the parentheses, because we will follow PEMDAS. Then we will multiply, Lets do it:-

(3 × 3)3
(9)3
27

So, (3 × 3)3 = 27.

Hope I helped ya!! xD
Answer 2
Answer: 3(3 × 3) First multiply inside the parenthesis;
3(9) Then multiply the last terms;
3 × 9 = 27
so your final answer is 27

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Harper has $15.00 to spend at the grocery store. She is going to buy bags of fruit that cost $4.75 each and one box of crackers that costs $3.50. Write and solve an inequality that models this situation and could be used to determine the maximum number of bags of fruit, b, Harper can buy.

Answers

Answer:

4.75x + 3.75y ≤ 15 inequality models the given situation.

Harper can buy at maximum 3  bags of fruits.

Step-by-step explanation:

 Given : Harper has $15.00 to spend at the grocery store. She is going to buy bags of fruit that cost $4.75 each and one box of crackers that costs $3.50.  

We have to write and solve an inequality that models this situation and could be used to determine the maximum number of bags of fruit that  Harper can buy.

Let Harper buys 'x'  bags of fruit

and 'y'  box of crackers

Given : cost of one bags of fruits is $ 4.75

so the cost of x bags of fruits is 4.75x

Given : cost of one box of cracker is $ 3.50

so the cost of y box of crackers is 3.75y

also, Harper has $15.00 to spend at the grocery store

So the maximum amount he can spend is $15

So inequality become,

4.75x + 3.75y ≤ 15

So the maximum number of bags of fruit Harper can buy.

is when he buys no box of cracker.

Put y = 0 in above inequality , we have,

4.75x + 3.75(0) ≤ 15

4.75x  ≤ 15

Divide both side by 4.75

We have , x = 3.158 ≈ 3

So , Harper can buy at maximum 3  bags of fruits.
since harper has only %15 that is the most she can spend, therefore we would have 15> or = 4.75b+3.5c.  the best way to solve this would be to divide 15 by 4.75, then round down to the nearest whole number. if you do this, you get 3 bags of fruit.

Bianca poured four cups of milk from a full half-gallon container. How many cups of milk were left in the container?

Answers

Given: 
4 cups of milk form a full half gallon container.

1 liquid gallon contains 16 cups.

1/2 gallon * 16 cups/gal = 16 cups / 2 = 8 cups

8 cups - 4 cups = 4 cups left.

There are 4 cups of milk left in the half-gallon container.

What is the following number in decimal form?

1.68 × 108

Answers

1.68 * 108          Use a calculator.

= 181.44

Solve for x. 12x/5 = 18 A x = 43 1/5 B x = 7 1/2 C x = -7 1/2

Answers

Answer: Answer is x= 7 1/2

Step-by-step explanation:

This will be positive since there is no negative signs.

Answer:

x = 7 1/2

Step-by-step explanation:

12x = 90   Times both sides by 5

x = 90/12     Divide by 12 on both sides

x = 7 6/12      Find the closest multiplier

x = 7 1/2    Simplify

F(x)=3/4x+5/6 when f(12)

Answers

f(12)=((3)/(4) x 12) + 5/6
       = 9+(5)/(6)
       =9(5)/(6)
       =59/6
Substitute 12 in for x

f(12) = (3/4)12 + 5/6

f(12) = (0.75 x 12) + 0.83

f(12) = 9 + 0.83

f(12) = 9.83

Mr. Carter is planning a special event for 98 guests. A catering company tells him that the cost of food for each guest will be $16. The cost for drinks for each guest will be another $5. Based on that, Mr. Carter works out that the total catering bill will be $20,580. Does that sound about right?

Answers

Answer: No, the correct answer is $2058.

Step-by-step explanation:

First, you should multiply 16 by 98. This will get you 1568. Then, you multiply 5 by 98, which will get you 490. Once you have these two numbers, you add them together, which gets you the total cost of $2058.

Hope this helped!
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