MATHEMATICS MIDDLE SCHOOL

The area of this rectangle is 165 sq meters the width is 22 meters what’s is the perimeter?

Answers

Answer 1
Answer:

Answer:

59 meters

Step-by-step explanation:

A=L*W

165=L*22

L=165/22=7.5

7.5=L

P=L+L+W+W

7.5+7.5+22+22=59

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How does one solve this question, any help would be appreciated! I feel this has a really easy solution and I've decided to significantly over-complicate it.13. a) Write down the equation of the line with gradient 3 passing through (0, -2)

b) Write down the equation of the line which is parallel to the line y=4-5x passing through (0,-1)

Answers

Hello,

a)
the gradient is the slope:

y+2=3(x-0) or y=3x-2

b) slope is -5 (parallele to y=-5x+4)

y+1=-5(x-0) or y=-5x-1

Three less than one-fourth of the product of eight thirds and nine. Please write equation, then solve.

Answers

Put simply, you have to work backwards in making the equations. Start with the product of 8/3 and 9.
(8)/(3)*9

 Next take 1/4 of that. This can be done in two ways, either multiplying by 1/4:
((8)/(3)*9)*(1)/(4)

, or dividing everything by 4.
((8)/(3)*9)/4

Finally, subtract three.

The final equation would read:
(((8)/(3)*9)*(1)/(4))-3



Using PE(M/D)(A/S), we'd start with (8)/(3)*9

3 and 9 cancel out to be 1 and 3, leaving us with (8)/(1), or 8, and 3 and this part of the equation reading 8*3, which is 24.

The next step is (24)/(4), which is 6.

Lastly we subtract 3 from six, leaving us 3.

¹/₄ × ( ⁸/₃ × 9 ) - 3 = 3

Further explanation

Order of Operations in Mathematics follow this following rule :

  • Parentheses
  • Exponents
  • Multiplication and Division
  • Addition and Subtraction

This rule is known as the PEMDAS method.

In working on a mathematical problem, we first calculate operation that is in parentheses, follow by exponentiation, then multiplication or division, and finally addition or subtraction.

Let us tackle the problem!

Product of eight thirds and nine

(8)/(3) * 9

One-fourth of the product of eight thirds and nine

(1)/(4) * ( (8)/(3) * 9 )

Three less than one-fourth of the product of eight thirds and nine

(1)/(4) * ( (8)/(3) * 9 ) - 3

= (1)/(4) * ( (8 * 9)/(3) ) - 3

= (1)/(4) * ( (72)/(3) ) - 3

= (1)/(4) * 24 - 3

= (1 * 24)/(4) - 3

= (24)/(4) - 3

= 6 - 3

= \boxed {3}

Learn more

Answer details

Grade: Middle School

Subject: Mathematics

Chapter: Order Of Operations

Keywords: Linear , Equations , 1 , Variable , Line , Gradient , Point , Multiplication , Division , Exponent , PEMDAS , percentange , percent

A small bar of gold measures 40mm by 25mm by 2mm. One cubic millimeter of gold weights about 0.0005 ounces. Find the volume in cubic millimeter and the weight in ounces of this small bar of gold?Hank has cards that are 8 inches by 4 inches. A stack of these cards fits inside the box shown and used up 32 cubic inches of volume . How tall is the stack of card? What percent of the box's volume is taken up by the cards?

A typical stone on the lowest level of the great pyramid in Egypt was a rectangular prism 5 feet long by 5 feet 5 feet high by 6 feet deep and weighted 15 tons. What was the volume of the average stone? How much did one cubic foot of this stone weight?

Answers

The correct answer for the question that is being presented above is this one: "The volume of the average stone is this one: v = 40mm * 25mm * 2mm = 2000 mm^3 ; The weight of the one cubic foot of the stone is: 2000 mm^3 * .0005oz/1mm^3 = 1oz

What is 5/6, 11 5/6, 3/10, 12 3/10, 5/16, and 8 5/18 in decimal form?

Answers

0.83, 11.83, 0.3, 12.3, 0.3125, 8.27777778

A teaspoon of common table salt contains about 2,000 mg of sodium. how many grams of sodium is this?

Answers

Answer:

2 grams

Step-by-step explanation:

multiply by 1000

What's the answer to 4 times 3/4

Answers

The four times 3/4 is 3.

What is multiplication?

Multiplication is when you take one number and add it together a number of times.

Example: 5 multiplied by 4 = 5 + 5 + 5 + 5 = 20. We took the number 5 and added it together 4 times.

This is why multiplication is sometimes called "times".

Given that, what's the answer to 4 times 3/4,

To find the same, we will multiply 3/4 by 4,

3/4 x 4

= 12 / 4

= 3

Hence, the four times 3/4 is 3.

Learn more about multiplications, click;

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Hi there! First, we make 4 a fraction, to do this we make a denominator of 1, 4=4/1. Now, we have a multiplication problem of 4/1*3/4. 4*3=12 and 1*4=4. So, we have a fraction of 12/4. The GCF which is the Greatest Common Factor, of 4 and 12 is 4. So, we know that we divide 12 by 4 and 4 by 4. 12÷4=3 and 4÷4=1. Now, we have a fraction of 3/1, 3/1 is the same as 3. Therefore, we come up with a answer of 3.
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