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ankoles [38]
4 years ago
10

Three consecutive integers are n-1, n and n+1. Write an expression for the sum of the three integers.

Mathematics
1 answer:
svlad2 [7]4 years ago
6 0
N-2,n and n+2;n-3,n and n+3,n-4,n and n+4....
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Anyone have any idea about this question?
Minchanka [31]

Answer:

D) y = 3x - 9

Step-by-step explanation:

4 0
3 years ago
1/2x-7=1/3(x-12) pls find the value of x
KIM [24]

Answer:

x=18

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

(1 /2 )x−7 =  (1 /3 )x−4 (Distribute)

Step 2: Subtract 1/3x from both sides.

(1 /6) x−7=−4

Step 3: Add 7 to both sides.

(1 /6 )x=3

Step 4: Multiply both sides by 6.

x=18

6 0
4 years ago
Read 2 more answers
Emily thinks that -11/6 - (-2/3) is -5/2. Identify the error ghat emily made. Then correct Emily’s error and find the correct va
Amanda [17]
\bf \stackrel{\textit{she subtracted }\frac{2}{3}\textit{ instead of adding it}}{-\cfrac{11}{6}-\left(\cfrac{2}{3}  \right)\impliedby \stackrel{LCD}{6}\implies \cfrac{-(1)11~~-~~(2)2}{6}}\implies \cfrac{-11~~-~~4}{6}
\\\\\\
\cfrac{-15}{6}\implies \stackrel{simplified}{-\cfrac{5}{2}}\impliedby \textit{that's correct, assuming is }\frac{2}{3}~~but~is~~-\frac{2}{3}\\\\
-------------------------------

\bf \stackrel{\textit{recall that minus times minus is plus}}{-\cfrac{11}{6}-\left(-\cfrac{2}{3}  \right)\implies -\cfrac{11}{6}+\cfrac{2}{3}}\implies \cfrac{-(1)11+(2)2}{6}
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\cfrac{-11+4}{6}\implies -\cfrac{7}{6}\quad \checkmark
7 0
4 years ago
Tariq also designs hot tubs. The diameter of the hot tub
svetlana [45]

Answer:

The area of the deck that surrounds the hot tub is 17.9 m².

Step-by-step explanation:Base of deck = 5 m

Height of deck = 5 m

Area of deck = base*height

= 5*5

= 25 m²

A circular hot tub is placed in the deck whose diameter is 3 m.

Radius = diameter/2

= 1.5 m

Area of the circular hot tub = πr²

= 3.14*(1.5*1.5)

= 7.07 m²

Area of the deck that surrounds the hot tub = Area of deck - Area of tub

= 25 - 7.07

= 17.93 m²

= 17.9 m²

7 0
3 years ago
Read 2 more answers
Tell whether the triangle with the given sides lengths is a right triangle
Andre45 [30]
If this is a right triangle, then a^{2}+ b^{2}= c^{2} where c is the hypotenuse which is ALWAYS THE LONGEST SIDE.  Our longest side is 5, so we will set up Pythagorean's Theorem to see if the addition of the squares of a and b = the square of c: (1.4)^{2} +(4.8) ^{2} =(5)^{2}.  Squaring all of that and adding on the left gives us 25=25.  Because this is true, we have proven the converse of the Pythagorean Theorem here and this is a right triangle.
3 0
4 years ago
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