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marin [14]
3 years ago
10

Can I get help with these three

Mathematics
1 answer:
Neporo4naja [7]3 years ago
6 0

Answer:

b is the answer

Step-by-step explanation:

1km= 1000m

1hr =60sec

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F(x) = -2x - 1; Find f (x - 4)
qaws [65]

Answer:

B

if f(x-4) then we should put x-4 where the x is spouse to be so;

-2(x-4)-1 =

-2x + 8 - 1 =

-2x + 7

5 0
3 years ago
Find the value of 15.0 N in pounds. Use the conversions 1slug=14.59kg and 1ft=0.3048m .
Sliva [168]

The value of 15.0 N in pounds = 3.375 lb

<h3><em>Further explanation </em></h3>

The derivative magnitude is a quantity derived from the principal amount

7 main quantities have been determined based on international standards, namely:

  • 1. Length, meters (m)
  • 2. Time, second (s)
  • 3. Mass, kilograms (kg)
  • 4. Temperature, kelvin (K)
  • 5. Light intensity, candela (cd)
  • 6. Electric current, ampere (A)
  • 7. Amount of substance, mol (m)

Newton (N) is one unit of force (F) which is a quantity derived from mass (m), length (l) and time (s)

Newton can be expressed in terms of Kg m / s²

Formula used:

F = m. a

N = kg. m / s²

In the British system there are units of slug, feet, and pounds so that the unit of force becomes:

F = m. a

Lb = slug. ft / s²

The relationship between the two-unit systems above is:

1 kg = 0.0685 slug

1 slug = 14.59 kg

1 newton = 0.225 lb

1 lb = 4,448 newtons

1 ft = 0.3048 m

So if we change 15 N to lb by using slug and ft

15 N = 15 * (1 / 14.59) slug * (1 / 0.3048) ft / s²

15 N = 3,375 slug ft / s ²

15 N = 3,375 lb

or we convert directly:

15 N = 15 * 0.225 lb

15 N = 3,375 lb

<h3><em>Learn more </em></h3>

yard conversion

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the quantity 0.0075 meters expressed in centimeters

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A vineyard has 145 acres of Chardonnay grapes

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Keywords: slug, Newton, feet, kg, pound

6 0
3 years ago
Simplify the following expression:<br> 4(x+10)-3x-2-x
Ilia_Sergeevich [38]
4x+40-3x-2-x
(4x-3x-x)=4x-4x=0
(40-2)=38
The answer will be 38
6 0
3 years ago
8x^3a^2+8x^2a^3<br> Find the greatest common factor
frutty [35]

Answer:8x^2a^2

Step-by-step explanation:

4 0
3 years ago
If p→q is true and p is true, then we know q is true.<br><br> True<br> False
slega [8]

Answer:

false

Step-by-step explanation:

6 0
3 years ago
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