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JulsSmile [24]
3 years ago
14

a rectangular jewelry box cost $125 to gold plate. calculate the cost of gold plating a box which is similar in shape and that h

olds 8 times as much
Mathematics
1 answer:
Wewaii [24]3 years ago
3 0
The cost of plating a rectangular jewelry box is $125, the cost of plating a similar box that is 8 times the size will be given by:
Cost=(scale factor)*(price)
Cost=125×8
Cost=$1000
Answer:$1000
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A punch recipe calls for 1/2 gallon of ginger ale, 1/2 qt of
Blababa [14]

Answer: 14

Step-by-step explanation:

1/2 gallon =2 quarts, so add the 2 quarts and the 1 quart of ginger ale, plus the one pint of lemonade and this makes 14 cups of punch

8 0
3 years ago
Which characteristics do the functions have in common?
m_a_m_a [10]

Answer:

Range, Maximum, and y-intercept

Step-by-step explanation:

Range is the y-values of the function. Each of these functions has a range of (-inf, 10].

The maximum is the largest y-value that is part of the range, which is 10 for both functions.

y-intercept is where the function crosses the y-axis which is 10 for both functions.

6 0
3 years ago
A ladder 25 feet long is leaning againstthe wall of a house. The base of the ladder ispulled away from the wall at a rate of 2 f
WITCHER [35]

Answer: a) -7/12 ft/s, -20 ft/s, -7 ft/s

              b) 527/24 Ft²/s

              c) 2/25 rad/sec

Step-by-step explanation:

a) b=7 ; a^2+b^2 = 25^2

             a^2+b^2 = 625

Differentiate w.r.t = 2a (da/dt) + 2b ( db/dt) = 0

                                    b(db/dt) = -a(da/dt)

As found from above put a=24 b=7,15 and 24. You will get the reuqired answer.

b) Area of the triangle = 1/2 * b*h

differentiate wrt to time leads to the following relation:

2dA/dt= h(db/dt)+b(dh/dt) \\dA/dt=24-49/24 = 527/24 Ft^2/sec

c) sin (Θ) = b/25

differentiate it again to give

cos(0.284)(d\theta/dt) =  (1/25) (db/dt) \\=2/25 rad/sec

                                 

                               

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3 years ago
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saul85 [17]
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3 years ago
Which pair of vectors is orthogonal?
murzikaleks [220]

Answer:

⟨3, –5⟩ and ⟨6, –10⟩

Step-by-step explanation:

⟨3, –5⟩ cross ⟨6, –10⟩ = 0

⟨2, –3⟩ cross ⟨9, –6⟩ = 15

⟨–2, 3⟩ cross ⟨–6, –4⟩ = 26

⟨–5, 4⟩ cross ⟨–4, –2⟩ = 26

⟨3, –5⟩ and ⟨6, –10⟩

3 0
2 years ago
Read 2 more answers
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