MATHEMATICS MIDDLE SCHOOL

What is the area of the figure below?
Haaaaalp please
What is the area of the figure below? Haaaaalp please - 1

Answers

Answer 1
Answer: A_1=6\cdot5=30\ [in^2]\n\nA_2= (1)/(2) \cdot[15+(7+5)]\cdot4=2\cdot(15+12)=2\cdot27=54\ [in^2]\n\nA=A_1+A_2=30+54=84\ [in^2]
Answer 2
Answer: -- The little block on top is 6-high by 5-wide = 30 square inches.

-- The dotted line across the middle is 5 inches long.

-- The long skinny block on the bottom is (10-6)=4-high by 12-wide = 48 inches² .

-- The height of the triangle at the end is (10-6) = 4 inches.
The base of the triangle is (15 - 7 - 5) = 3 inches.
The area of the triangle is (1/2)(base)(height) = 6 inches².

-- Sum of the the 3 sections = (20 + 48 + 6) = 74 square inches.

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4 gallons of low-fat milk cost $13.80 find the cost of 6 gallons of low-fat milk

Answers

Divide $13.80 by 4, then multiply by 6 to get $20.70

Answer:

20.70

Step-by-step explanation:

13.80 divided by 4 and then mutiply by 6 and you will get 20.70

Solve for x.

2x-4/10 = 2x/20

Answers

Refine:

(2x-4)/(10)

factor out common term 2 :

(2(x-2))/(10)

Cancel the common factor 2 :

(x-2)/(5)

Refine:

(2x)/(20)

(x-2)/(5) = (x)/(10)

find least common multiplier of 5 and 10

Multiply  by LCM = 10

(x-2)/(5) *10 = (x)/(10) *10

2(x-2)=x

2x - 4 = x

Add 4 to both sides:

2x-4+4 = x+4

2x = x + 4

2x - x = 4

x = 4

hope this helps!

Find the value of x

60 150 3x 90

Answers

00000000000000000000000000jczsioscvnkjzxStep-by-step explanation:

The students in Ms. Lorenzo’s class collected the following numbers of bottle caps:10, 20, 40, 50, 30, 10, 60, 10, 2040, 30, 30, 50, 70, 50, 70, 60, 30

a. Make a dot plot for the data.
b. What is the median?
c. What is the mean?

Answers

I am not sure how to show you how to do a dot plot on this website, but to see how to do a dot plot

b) Put everything in order and find the middle
10, 10, 10, 20, 30, 30, 30, 30, 40, 50, 50, 50, 60, 60, 70, 70, 2040
                                             ^^
So 40 is in the middle, making it the median

c) Add all of the values together and divide by the total number of values.
10 + 10 + 10 + 20 + 30 + 30 + 30 + 30 + 40 + 50 + 50 + 50 + 60 + 60 + 70 + 70 + 2040 = 2660
2660 / 17 = 156.5

I can't figure out 3/30 is in a percentage decimal or fraction please help me!!

Answers

If I am correct I do think the answer is 0.10 in decimal,  in percentage it is 10% and fraction is 1 out of 30 I am not 100% sure so it would be better to double check
3/30 is a fraction. Mainly becayse it has this / between the numbers. 

Manny made 4 pizzas to share among himself and 6 friends How much pizza will each person get?

Answers

Well in maths terminology for sharing is dividing:

4 pizzas' ÷ 6 friends
Slight algebra form 4p÷6f ⇔ equation
                                   ↑
                                = 1.2
I don't know how this is possible but each friend got one and a 1/2 pizzas'
Hope this helps :)

 
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