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GenaCL600 [577]
3 years ago
15

Help me pls help please???

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
7 0

Answer:

3 – x

Step-by-step explanation:

A number in this case we will as x. And 3 less than x is -

3 – x

a_sh-v [17]3 years ago
4 0

x - 3

Hope i helped ya!

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The original price of a new pair of shoes is $40. If there is a 20% discount on all shoes, how much is deducted from the origina
Leokris [45]

Answer:

$8

Step-by-step explanation:

20% (= 0.20) is deducted  from $40.40 * 0.20 = $8.

4 0
3 years ago
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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>

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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
Karl's team score is 39 points. this was one point less than twice Todd's score. find Todd's score
EleoNora [17]

Answer: i'm pretty sure todd's score would be 19

39=2x-1

6 0
3 years ago
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A side of 6 feet, and a 120° angle<br> A. One<br> B. None. C. Many
pshichka [43]

Answer:

C. Many ang sagot............

5 0
3 years ago
4. Mariana receives a $20 gift card for
Alenkasestr [34]

Answer:

inequality-    1.29m <20

maximum number of songs- 15 songs

Step-by-step explanation:

For the inequality, you see that she only has $20 so whatever she buys has to be below that so use the less than sign. You also see that each song is worth $1.29 so 1.29m. For the maximum number of songs, you divide 20 by 1.29 and just ignore the remainder.

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3 years ago
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