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slavikrds [6]
2 years ago
14

a large office desk has an area of 42ft^2. if the width is 3.5 feet , write an equation to represent this area

Mathematics
2 answers:
Monica [59]2 years ago
8 0
3.5x=42

x represents the length, since the formula to find area of a rectangle is width times length.
bezimeni [28]2 years ago
4 0

Answer:

A=3.5\cdot{x}

Step-by-step explanation:

Area is defined as width mutiplied by length. We assume the desk is rectangle. The following equation represents the area of the desk:

A=3.5\cdot{x}

A is the area and x is the length. We can therefore determine the length:

x=A/3.5=42/3.5=12

The length is 12 ft

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20 points! Help! Which of the following visual representations correctly displays a relationship between sets of real numbers? T
Contact [7]
<h2>Answer:</h2><h2>The correct option to the given question is J</h2>

Step-by-step explanation:

Real numbers are classified into two types,

(i) Rational numbers - A number which can be expressed as fraction, ratio or percentage is called as rational number

(ii)Irrational numbers - A number which is not rational, (i.e) cannot be expressed as a ratio or percentage is called as irrational number.

Since there are no common numbers in rational and irrational, they cannot be expressed as "G" option.

Real numbers are formed by the union of rational and irrational numbers.

4 0
3 years ago
Amy has 20 coins in her bank. The coins are all dimes and quarters. The total amount of money in her bank is $4.25 how many of e
solong [7]
16 qauters, 3 nickels, and 1 dime.
6 0
2 years ago
Help (look at picture)
mote1985 [20]

Answer:

x is greater than or equal to -5 (the second graph)

Step-by-step explanation:

-5c+2<=27

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x>=-5

8 0
3 years ago
Help me Please....................
MakcuM [25]

9514 1404 393

Answer:

  1.3363

Step-by-step explanation:

The basic idea here is to find an expression for the direction vector between a point on L1 and a point on L2. Then, solve for the points on L1 and L2 that make that vector perpendicular to both lines L1 and L2. (The dot product of direction vectors is zero.) The distance between the points found is the shortest distance between the lines.

__

Let P be a point on L1. Then the parametric equation for P is ...

  P = (6t, 0, -t) . . . . . . origin + t × direction vector

Let Q be a point on L2. The direction vector for L2 is given by the difference between the given points. It is (4-1, 1-(-1), 6-1) = (3, 2, 5). Then the parametric equation for Q is ...

  Q = (3s+1, 2s-1, 5s+1) . . . . (1, -1, 1) + s × direction vector

The direction vector for PQ is ...

  Q -P = (3s+1-6t, 2s-1, 5s+1+t)

The dot product of this and the two lines' direction vectors will be zero:

  (3s+1-6t, 2s-1, 5s+1+t)·(6, 0, -1) = 0 = 13s -37t +5 . . . perpendicular to L1

  (3s+1-6t, 2s-1, 5s+1+t)·(3, 2, 5) = 0 = 38s -13t +6 . . . perpendicular to L2

The solution to these equations is ...

  s = -157/1237

  t = 112/1237

Then (Q-P) becomes (94, -1551, 564)/1237, and its length is ...

  |PQ| = √(94² +1551² +564²)/1237 ≈ 1.3363

The distance between the two lines is about 1.3363 units.

8 0
3 years ago
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ss7ja [257]
All you need to do is multiply 3 yards by 10 yards to get 30 square yards.
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3 years ago
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