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zhannawk [14.2K]
3 years ago
7

What is the answer to this. 27-(7x3)

Mathematics
2 answers:
Soloha48 [4]3 years ago
7 0
6, because you do the parentheses first because of order of operations, and then you subtract that from 27
Hitman42 [59]3 years ago
4 0
So parentheses first then subtract that answer from the 27 7×3=21. 27-21=6
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Garret grew 2 2/3 inches each year for the past 3 years. How many inches total has Garret grown in the past 3 years ?
fomenos

Answer:

8 inches,

Step-by-step explanation:

2 2/3 = 8/3.

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= 8 inches,

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W = 13, x = 9, y = 1.9, z = 0.5<br><br><br> x2 + 4
prisoha [69]

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6 0
3 years ago
X-y=6<br> 2x-3z=16<br> 2y+z=4<br><br> Solve the systems of equations.
Neko [114]

Answer:

Given System of equation:

x-y =6                                  .....,[1]

2x-3z = 16                           ......[2]  

2y+z = 4                              .......[3]

Rewrite the equation [1] as

y = x - 6                                .......[4]

Substitute the value of [4] in [3], we get

2(x-6)+z = 4

Using distributive property on LHS ( i.e,  a \cdot (b+c) =a \cdot b+ b \cdot c )

then, we have

2x - 12 +z =4

Add 12 to both sides of an equation:

2x-12+z+12=4+12

Simplify:

2x +z = 16                         .......[5]

On substituting equation [2] in [5] we get;

2x+z=2x -3z

or

z = -3z

Add 3z both sides of an equation:

z+3z = -3z+3z

4z = 0

Simplify:

z = 0

Substitute the value of z = 0 in [2] to solve for x;

2x-3(0) = 16

or

2x = 16

Divide by 2 both sides of an equation:

\frac{2x}{2} =\frac{16}{2}

Simplify:

x= 8

Substitute the value of x =8 in equation [4] to solve for y;

y = 8-6 = 2

or

y = 2

Therefore, the solution for the given system of equation is;  x = 8 , y = 2 and z =0

5 0
3 years ago
14. Triangle QRS is shown below.
kifflom [539]
Ummm you tell me lol
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2 years ago
Read 2 more answers
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