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mr Goodwill [35]
3 years ago
15

Simplify the expression. 7(x - 1) - 2(x + 1) + 3( x - 4) =

Mathematics
2 answers:
lawyer [7]3 years ago
8 0
7x-7-2x-2+3x-12=8x-21
  I think
KonstantinChe [14]3 years ago
3 0
8x-21 is the correct answer
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View picture attached for problem
nasty-shy [4]

Answer:

las respuestas se encuentran en la foto

Step-by-step explanation:

7 0
4 years ago
If you know the sine value for a given angle, how can you quickly find the cosecant value for that same angle?
pogonyaev

Answer:

See below

Step-by-step explanation:

Remember the quotient identity \csc\theta=\frac{1}{\sin\theta}, so you need to take the reciprocal of the sine value for the given angle in order to get the cosecant value for that same angle.

3 0
2 years ago
Determine which of the following items is a better buy:
DanielleElmas [232]

Answer:

10 ounces

Step-by-step explanation:

Divide both sides by 10. You get 0.556 oz for 1 oz. For the other, it is 0.66. Thus, the 10 oz is better.

5 0
4 years ago
Crystal is organizing the seating arrangements for a concert in her local park. The first row's seats are modeled by the functio
inna [77]
F ( x )  - the number of seats in the 1st row;
s ( x ) - the number of additional seats in the next row;
An equation that predicts the number of seats in any row:
g ( x ) = f ( x ) + s ( x )
g ( x ) = 12 + 3 ( x - 1 )
The number of seats in the 30th row:
g ( 30 ) = 12 + 3 * ( 30 - 1 ) = 12+ 3 * 29 = 12 + 87 = 99 seats 
3 0
3 years ago
A square of side 72 cm and a rectangle of length 90 cm have same perimeter. Find the difference in areas ?
olga_2 [115]

Answer:

324 cm²

Step-by-step explanation:

→ Work out perimeter of square

72 + 72 + 72 + 72 = 288

→ Work out the width of the rectangle

288 - (90 × 2) = 108

108 ÷ 2 = 54

→ Work out area of square

72 × 72 = 5184 cm²

→ Work out area of rectangle

90 × 54 = 4860 cm²

→ Minus the areas from each other

5184 cm² - 4860 cm² = 324 cm²

5 0
3 years ago
Read 2 more answers
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