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Musya8 [376]
3 years ago
11

Michelle has 18.9 yards of string. She cuts the string into 5 pieces of equal length.

Mathematics
2 answers:
Flauer [41]3 years ago
8 0

Answer:

3.78 (see below)

Step-by-step explanation:

You would have to divide 18.9 by 5, as you're cutting 18.9 into 5 equal parts. Using long division, you can solve this. I have attached an image below for reference:

Ilia_Sergeevich [38]3 years ago
4 0

Answer:

3.78 yd

Step-by-step explanation:

took the test

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A. $12,000

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Susan makes ribbon bows for a local pet store. She purchased 25 yards of ribbons and used 15 7/8 yards to make a dozen bows. How
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Alexia runs a dog walking business. She charges a $3.75 base fee for
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2 years ago
Read 2 more answers
What is the equation of the following line written in slope-intercept form?
dolphi86 [110]

Answer:

Option (2)

Step-by-step explanation:

Let the equation of the line is,

y - y' = m(x - x')

where (x', y') is a point lying on the given line.

And m = slope of the line = \frac{y_2-y_1}{x_2-x_1}

Line given in the graph passes through two points (-5, -1) and (-2, -3).

Slope of the line 'm' = \frac{-3+1}{-2+5}

                                 = -\frac{2}{3}

Therefore, equation of the line passing through(-5, -1) and slope of the line = -\frac{2}{3} will be,

y - (-1) = -\frac{2}{3}[x-(-5)]

y+1=-\frac{2}{3}(x+5)

y=-\frac{2}{3}x-\frac{10}{3}-1

y=-\frac{2}{3}x-\frac{13}{3}

Option (2) will be the answer.

8 0
3 years ago
A ship moves through the water at 30 miles/hour at an angle of 30° south of east. The water is moving 5 miles/hour at an angle o
iVinArrow [24]

Answer:

a. 25.98i - 15j mi/h

b. 1.71i + 4.7j mi/h

c. 27.69i -10.3j mi/h

Step-by-step explanation:

a. Identify the ship's vector

Since the ship moves through water at 30 miles per hour at an angle of 30° south of east, which is in the fourth quadrant. So, the x-component of the ship's velocity is v₁ = 30cos30° = 25.98 mi/h and the y-component of the ship's velocity is v₂ = -30sin30° = -15 mi/h

Thus the ship's velocity vector as ship moves through the water v = v₁i + v₂j = 25.98i + (-15)j = 25.98i - 15j mi/h

b. Identify the water current's vector

Also, since the water is moving at 5 miles per hour at an angle of 20° south of east, this implies that it is moving at an angle 90° - 20° = 70° east of north, which is in the first quadrant. So, the x-component of the water's velocity is v₃ = 5cos70° = 1.71 mi/h and the y-component of the water's velocity is v₄ = 5sin70° = 4.7 mi/h

Thus the ship's velocity vector v' = v₃i + v₄j = 1.71i + 4.7j mi/h

c. Identify the vector representing the ship's actual motion.

The velocity vector representing the ship's actual motion is V = velocity vector of ship as ship moves through water + velocity vector of water current.

V = v + v'

= 25.98i - 15j mi/h + 1.71i + 4.7j mi/h

= (25.98i + 1.71i + 4.7j - 15j )mi/h

= 27.68i -10.3j mi/h

7 0
3 years ago
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