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Bas_tet [7]
3 years ago
11

Please help answer this question!!!!!!!!!!!!!

Mathematics
1 answer:
Tatiana [17]3 years ago
3 0

Answer:

14. -3 ≤ x < 3

Step-by-step explanation:

An inequality is an equation with inequality signs such as:

  • ≤ less than or equal to as in x ≤ 3. It is graphed with a closed or filled in circle.
  • ≥ greater than or equal to as in x ≥ -3. It is graphed with a closed or filled in circle.
  • > greater then as in x > 3. It is graphed with an open or not filled in circle.
  • < less than as in x < -3. It is graphed with an open or not filled in circle.
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S(t) = -120t + 1,080 to determine the salvage value, S(t), in dollars, of a table saw t years after its purchase. How long will
tester [92]
In order for S(t) to equal to 0, it would take 9 years. If you multiply 9 times the -120, you will get -1080, then you add that to the +1,080 and the answer is 0.

4 0
3 years ago
I just don’t understand the math
olchik [2.2K]
I believe the answer is 6
3 0
3 years ago
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In a scale drawing, a building has a length of 15 cm. The actual length of the building is 37.5 feet. Whats the scale of the dra
Feliz [49]

Answer:

\frac{15}{37.5}\ \frac{cm}{ft}

or

1.31:100

Step-by-step explanation:

we know that

The scale of the drawing is equal to divide the length of a building in the scale drawing by the actual length of a building

so

\frac{15}{37.5}\ \frac{cm}{ft}

That means

15 cm in the drawing represent 37.5 ft in the actual

Remember that

1\ ft=30.48\ cm

Convert 15 cm to ft

divide by 30.48

15\ cm=15/30.48\ ft

substitute

\frac{15}{37.5}\ \frac{cm}{ft}=\frac{(15/30.48)}{37.5}=\frac{0.0131}{1}

or

1.31:100

That means

1.31 units in the drawing represent 100 units in the actual

5 0
3 years ago
The circumference of a circle is 32π. What is the diameter of this circle?
lawyer [7]
C = 2 (pi) r 

32 (pi) = c

32 (pi)= 2 (pi) r 

r= 16 

2r = d 
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hope that helps
4 0
4 years ago
Los lados de un triángulo rectángulo tienen por medida tres números enteros consecutivos. Calcula los lados del triángulo.
elixir [45]

Answer:

Los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

Step-by-step explanation:

Un triángulo rectángulo puede ser descrito mediante el teorema de Pitágoras, para el caso de tres lados representando tres números enteros consecutivos, tenemos que:

(n+2)^{2} = n^{2} + (n+1)^{2} (1)

Donde n es un número natural.

A continuación, expandimos la expresión y resolvemos:

n^{2}+4\cdot n +4 = n^{2} + n^{2} +2\cdot n + 1

n^{2}-2\cdot n -3 = 0

(n -3) \cdot (n+1) = 0

La única solución factible es n = 3. En consecuencia, los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

4 0
3 years ago
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