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kirill [66]
3 years ago
13

The Serenity and the Mystic are sailboats. The Serenity and the Mystic start at the same point and travel away from each other i

n opposite directions. The Serenity travels at 12 mph and the Mystic travels at 22 mph. How far apart will they be in 4 hours
100 points if anwserd
plzzzzz
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

136 miles

Step-by-step explanation:

distance after 4 hours for Serenity = 12 x 4 = 48 miles

distance after 4 hours for Mystic = 22 x 4 = 88 miles

88 + 48 = 136

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A store owner give 5% discount on all his bicycles. For a bicycle prices at $24,000 (without discount) he decides to give an add
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Answer:

23999.98

Step-by-step explanation:

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2 years ago
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A(b)(-c), for a=7, b = -2, c= 15
-Dominant- [34]
You just have to plug in the numbers and solve
7(-2)(-15)
7(30)
210


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3 years ago
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Please help me out with this.......
ehidna [41]

Answer:

y = 0.5x + 5

Step-by-step explanation:

The equation is in slope- intercept form

y = mx + c ( m is the slope and c the y- intercept )

Given the ordered pair (0, 5 ) then c = 5

Calculate the multiplier using the slope formula

with (x₁, y₁ ( = (0, 5) and (x₂, y₂ ) = (2, 6) ← 2 ordered pairs from the table

m = \frac{6-5}{2-0} = 0.5, hence

y = 0.5x + 5 ← equation relating x and y

6 0
3 years ago
-1≤ 3x-10≤ 2 please help me
kicyunya [14]

Answer:

3 ≤ x ≤ 4

Step-by-step explanation:

Step 1: Add 10 to all parts/sections.

  • -1 + 10 \leq  3x - 10 + 10 \leq 2+10
  • 9\leq 3x\leq 12

Step 2: Divide all parts/sections by 3.

  • \frac{9}{3} \leq \frac{3x}{3} \leq \frac{12}{3}
  • 3 \leq x \leq  4

Therefore, the answer is 3 ≤ x ≤ 4.

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2 years ago
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An object is placed 21 cm from a concave lens of focal length 25 cm. what is the magnification?
wariber [46]

The magnification is 0.54

Given,

The distance between object and concave lens, u = -21 cm

Focal length of the concave lens, f = -25 cm

Let m be the magnification.

m = v/u

Here v is the position of image.

We have to find v first.

By using lens equation we can determine v.

That is,

1/f = 1/v – 1/u

So,

- (1/25) = 1/v – (-1/21)

- (1/25) = 1/v + 1/21

1/v = - (1/25) – 1/21

1/v = (-25 – 21) / (21 x 25)

1/v = - (46/525)

Therefore v = - (525/46)

   v = -11.41 cm

Now we have to find magnification, m.

m = v/u

   = (-11.41) / (-21)

   = 0.54

Here magnification is 0.54

Learn more about concave lens here: brainly.com/question/12944945

#SPJ4

6 0
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