MATHEMATICS MIDDLE SCHOOL

Hey I need to know what 2+2 is thanks guys ❤️

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

2 fingers and you add 2 more it equals 4

Answer 2

Answer: 4 is the answer to your question

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Jessie is building a doghouse. For one side of the roof, she needs a board that is 7 3/4 feet long. She has a board that measure 9 1/12 feet. How much of the length does she need to cut from the board? Show your work and simply the fraction.

Answers

9 1/12 ft = 109/12
7 3/4 = 31/4
You need to give them the same denominator, so you'll need to multiply the top and bottom of 31/4 by three
109/12 - ((31*3)/(4*3))=x
109/12 - 93/12 = x
(109-93)/12 = x
16/12 = x
(16/4)/(12/4) = x
4/3 = x
4/3 = 1 1/3
Jessie needs to cut 1 1/3 feet off the board.

The mean temperature change is 3.2 fahrenheit per day for 5 days. What is the total change over the 5-day period?

Answers

mean = total change/ number of days
3.2 = total change/ 5
total change = 3.2 x 5 = 16 fahrenheit

I really need help on this please help asap if u canmagine you’re working in the kitchen to make cookies for an upcoming bake sale. You need to bake eight dozen total. Your first two batches each take about 30 minutes to mix and bake, but by your third and fourth batches your measuring and mixing have become a lot faster, and you can consistently finish a batch in 20 minutes. Assuming you’ll continue at the same pace, outline the steps it would take to create a word model, create an equation, and then solve the problem to figure out how many hours it will take you to make all eight dozen.

Answers

Answer:

Step-by-step explanation:

To create a word model, equation, and solve the problem of how many hours it will take to make all eight dozen cookies, follow these steps:

**Step 1: Define Variables**

- Let M represent the number of minutes needed to mix and bake each batch.

- Let B represent the number of batches.

**Step 2: Set Up the Word Model**

- In the first two batches, you spend 30 minutes on each batch, so you have 2 batches * 30 minutes/batch = 60 minutes for those batches.

- For the remaining batches (batch 3 and onwards), you spend 20 minutes on each batch.

So, the total time T in minutes for all B batches can be represented as follows:

**T = 60 (minutes) + (B - 2) * 20 (minutes)**

**Step 3: Convert to Hours**

- Since there are 60 minutes in an hour, you need to convert the total time T from minutes to hours. Divide T by 60:

**T (hours) = [60 + (B - 2) * 20] / 60**

**Step 4: Solve for B**

- You want to make a total of 8 dozen (8 x 12) cookies, which is 96 cookies. Each batch makes one dozen (12) cookies.

So, set up an equation for the number of batches needed to make 96 cookies:

**B * 12 = 96**

Now, solve for B:

**B = 96 / 12 = 8 batches**

**Step 5: Substitute B into the Time Equation**

- Now that you know you need 8 batches, substitute this value into the time equation:

T (hours) = [60 + (8 - 2) * 20] / 60

**Step 6: Calculate the Total Time in Hours**

- Simplify and calculate the total time T in hours:

T (hours) = [60 + 6 * 20] / 60

T (hours) = [60 + 120] / 60

T (hours) = 180 / 60

T (hours) = 3 hours

So, it will take you a total of 3 hours to make all eight dozen cookies for the bake sale.

answer: 3 hours have a good day

Write a sentence to represent the equation 4m = -8.Please help my teacher has been bugging me to do this.
(Online schooling)

Answers

Answer: 4 times m is equals to -8.

4 times a number is -8

Step-by-step explanation:

Given algebraic equation: 4m =-8

which is equivalent to 4 times m= -8

Therefore ,the sentence to represent the given algebraic equation will be

4 times m is equals to -8.

OR, you can also write

4 times a number is -8, where m is the number.

4 times a number is equal to negative 8

150% of 66(Need the work shown)

Answers

Change 150% into a decimal by multiplying it by 100.
150(100)= 1.50
Now multiply 1.50(66)= 99

66 is the 100%
we can solve this problem by the rule of three.

Therefore:
66------------------------100%
x--------------------------150%

x=(66 * 150%) / 100%=99

Answer 150% of 66 is 99.

Other method:
150% of 66=1.5 *66=99

Answer: 150% of 66 is 99.

What is 2 and 5/12-( -2 and 1/6) ?

Express the answer in simplest form.

Answers

Find the LCD, and modify the first fraction. the new equation is: 2 5/12 - (-2 2/12). since subtracting a negative is the same as adding, you add the second fraction: 2 5/12 + 2 2/12. add the fractions, and add the whole numbers. the answer is: **4 7/12**

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