MATHEMATICS MIDDLE SCHOOL

What is the LCD of 1/2 and 2/17?
A.1
B.17
C.19
D.34

Answers

Answer 1
Answer: The lcd is 34. So D would be your answer
Answer 2
Answer:

Answer:

Its 34

Step-by-step explanation:

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What is the product (3x-6)(2x2-7x+1)

Answers

Answer:

\large\boxed{6x^3-33x^2+45x-6}

Step-by-step explanation:

\text{Use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\n\n(3x-6)(2x^2-7x+1)\n\n=(3x)(2x^2)+(3x)(-7x)+(3x)(1)+(-6)(2x^2)+(-6)(-7x)+(-6)(1)\n\n=6x^3-21x^2+3x-12x^2+42x-6\qquad\text{combine like terms}\n\n=6x^3+(-21x^2-12x^2)+(3x+42x)-6\n\n=6x^3-33x^2+45x-6

A construction crew has just built a new road. They built the road at a rate of 7 kilometers per week. They built 8.75 kilometers of road. How many weeks did it take them?

Answers

7 kilometers per 1 week equals 8.75 kilometers per x weeks.

7 / 1 = 8.75 / x

7 = 8.75 / x

7x = 8.75

x = 8.75 / 7

x = 1.25

It took 1.25 weeks to build 8.75 kilometers of road.

Final answer:

The construction crew would need approximately 1.25 weeks to build 8.75 kilometers of road. This is calculated by dividing the total distance by the rate of construction.

Explanation:

To find out how many weeks it took the construction crew to build 8.75 kilometers of road, we need to divide the total distance (8.75 km) by the rate at which they built the road (7 km per week). So, the calculation will be 8.75 km ÷ 7 km/week.

This is a simple division problem. Using a calculator, you will find that 8.75 ÷ 7 equals approximately 1.25.

Therefore, the construction crew would need about 1.25 weeks to build 8.75 kilometers of road. Please note, this is an approximation, and actual times may vary.

Learn more about Time Calculation here:

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A group of friends were on a hiking trip they plan to hike a total of 38 miles they want to complete 25% of the hikeby the end of the first day about how many miles should they hike the first day

Answers

Answer:  9.5 miles

Step-by-step explanation:

Given : A group of friends were on a hiking trip they plan to hike a total of 38 miles .

They want to complete 25% of the hike  by the end of the first day .

We can write 25% as 0.25 in decimal.

Now, the number of miles they should hike the first day will be :-

0.25*38=9.5\text{ miles}

Hence, the number of miles they should hike the first day =9.5 miles
they should hike 9.5 miles the first day. 30÷100= 0.38
0.38×25= 9.5

A group of 23 students is going on a canoe trip. Three teachers and 2 parents will also be going on the trip. Each canoe can hold 3 people. How many canoes will they need?

Answers

10 canoes will they need.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Total candidates = 23+ 2 + 3 = 28

and, Each canoe can hold 3 people.

So, number of  canoes will they need

= 28/3

= 9.333

Hence, 10 canoes will they need.

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They would need 10 Canoes. There is 28 people. Divide that by 3 and gives you a decimal of 9.33 repeating. Since you cant cut people up in half just round it up 

A jar contains 26 fluid ounces of spagetti sauce.how many cups of spagetti sauce do 4 hard contain?

Answers

4 jars contain 13 cups of spaghetti sauce.

26 fluid ounces * 4 jars

26*4=104
104 fluid ounces in 4 jars
When converting fluid ounces to cups, 1 fluid ounce equals 0.125 cup. So, multiply 104 by 0.125 to get the number of cups.
104*0.125=13
Therefore, 4 jars contain 13 cups of spaghetti sauce.
The first one is 104 ounces and for number two it would be 13 cups
I hope this helps! :D

Solve: 493x = 3432x+1

Answers

Answer:

x = -1/2939

Step-by-step explanation:

First, you isolate x (subtract 3432x from both sides): -2939x = 1

Then, you divide both sides by -2939: x = - 1/2939

Answer:

no solution

Step-by-step explanation:

edge 2020

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