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lara31 [8.8K]
3 years ago
11

Six less than three times a number. write an algebraic expression to represent the given phrase

Mathematics
1 answer:
Masja [62]3 years ago
4 0

Answer: 3x-6

Step-by-step explanation:

Let the number be x

3 times the number is 3x

6 less than 3x is 3x-6

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For the purpose of purchasing new baseboard and​ carpet, complete parts a and b below.
Phantasy [73]

Answer:

(a)i. Area=72 square feet

ii. Perimeter =34 feet

(b) Baseboard - perimeter

Carpet - area

Step-by-step explanation:

The room is 9ft x 8ft, therefore it is rectangular shaped.

Length=9ft; Breadth=8ft

(a)i. Area of a Rectangle= Length X Breadth

Area of the room=8X9=72 square feet

ii. Perimeter of a Rectangle=2(Length+Breadth)

Perimeter of the room=2(8+9)=2 X 17 =34 feet

(b) A baseboard goes around the edge or boundary of the room, so it has to do with perimeter

A carpet covers the entire floor so it has to do with the area of the room.

3 0
3 years ago
I also got this one wrong as well can someone tell me what I'm doing wrong so I can change it
Angelina_Jolie [31]
The answer is:  [D]:  "Subtract 5 from 10" .
____________________________________
Explanation:
____________________________________
Use the correct order of operations, according to the mnemonic: 
         "PE MD AS".

The "P" stands for "parentheses", which takes top (first priority); and there are values in parentheses in this expression—specifically, the "(10 - 5)" .  So the first step is to "subtract 5 from 10" —which is:  "Answer choice: [D]".
    Your error was starting at the beginning of the problem; and not using the "order of operations".
____________________________________________________
6 0
3 years ago
Please help me out on here! Will give brainlest
laiz [17]

Answer:

7)

Step-by-step explanation:

The pattern is: add two more than you did before: starting from 2.

It would be:

1, 3, 7, 13,  21,  31, 43, 57

+2 +4 +6 +8 +10  +12  +14

Now use this to answer the questions.

Hope this helped!

Have a nice day!

(it would be nice if you gave me brainliest)

Thx :)

6 0
2 years ago
I need helpppp with this question
wel

Answer: Y = 6 and X = 5

Step-by-step explanation: Im not sure But i think that that your supposed to subtract by 2 so 8 - 2 would equal 6 and then 7-2 equals 5 so yeah

4 0
3 years ago
Vince went on a 3 day hiking trip, he walked 3/4 the distance that he walked the day before. He walked 83.25 kilometers total in
-Dominant- [34]

Answer:

Vince walked 36 km on the 1st day of the trip.

Step-by-step explanation:

  • Vince went on a 3-day hike trip.
  • It is stated that Vince walks 3/4 of the distance that he walks the day before.
  • His total traveled distance = 83.25

  • Let 'x' be the distance traveled on the first day.

As he walks 3/4 of the distance that he walks the day before.

  • so the second-day traveling distance = 3/4x
  • And the third-day traveling distance = 3/4 × 3/4x

                                                                     = 9/16x

Given his total traveled distance = 83.25

Therefore, the equation becomes

x\:+\:\frac{3}{4}x\:+\:\frac{9}{16}x\:\:=\:83.25

Multiply both sides the 16 (L.C.M)

x\cdot \:16+\frac{3}{4}x\cdot \:16+\frac{9}{16}x\cdot \:16=83.25\cdot \:16

simplify

16x+12x+9x=1332

37x=1332

Divide both sides by 37

\frac{37x}{37}=\frac{1332}{37}

x=36 km

Therefore, Vince walked 36 km on the 1st day of the trip.

8 0
3 years ago
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