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3 years ago

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.

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3 years ago

I just don’t understand the math

olchik [2.2K]

I believe the answer is 6

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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:

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

$1.31:100$

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

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

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

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

$1.31:100$

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
d= 32

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)