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Sonja [21]
3 years ago
9

Solve for x.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

x=-3

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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the sum of three numbers is 63. The first number is twice the second number, and the third number is three times the first numbe
HACTEHA [7]

Answer:

Step-by-step explanation:

2x+x+3(2x)=63

3x+6x=63

9x=63

9x/9=63/9

X=7

2x=14

3(2x)=42

3 0
3 years ago
The area of a square is 225cm². On the map drawn to scale 1 : 3 find the area of the square​
Olin [163]

Answer:

25 cm^2

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Area if a square = length²

225 =  length²

length = √225

length = 15

if the map is drawn to scale of 1 : 3

the length on the map = 15/3 = 5

area of the square 5 x 5 = 25

8 0
3 years ago
Please help me answer the question in the picture
Genrish500 [490]
$338 / 2 = $169

A = a^2 = 169
a= 13

answer
13ft
6 0
3 years ago
Read 2 more answers
Factorize: x²+2+1/x² ​
andrew-mc [135]

x^{2}+\frac{1}{x^{2}}+2=\boxed{\left(x+\frac{1}{x} \right)^{2}}

8 0
2 years ago
Evaluate using the correct order of operations: 12 - 2 ⋅ 4
Veronika [31]

Answer:

8

Step-by-step explanation:

7 0
3 years ago
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