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Naddika [18.5K]
3 years ago
6

The area of a rectangle is 65ft squared, and the length of the rectangle is 3ft less than twice the width. Find the dimensions o

f the rectangle.
Mathematics
1 answer:
creativ13 [48]3 years ago
7 0

Answer:

Step-by-step explanation:

I don’t know sorryyyy

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Which describes the intersection of planes A and B?
algol13
You're looking for points that are both on plane A and plane B. Also, the intersection of two planes is a line. So all answers with just a point or point C in them are incorrect. That leaves line ED. E and D are both in plane A and B.
4 0
3 years ago
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A loan of $48,000 is made at 7% interest, compounded annually. After how many years will the amount due reach $121,000 or more?
max2010maxim [7]
Compound interest formulaAccumulated sum= P(1+r)^twhere P=present valuer=interest per periodt=number of periods
Given
P=48000
i=7% per year
accumulated sum = 121
Need to find t

Apply compound interest formula
121000=48000(1.07)^n
Divide by 48000, and take log on both sides
n*log(1.07)=log(121000/48000)
n=log(121000/48000)/log(1.07)
=13.666 years

Ans. it will take 13.7 years the initial deposit will reach 121000

6 0
4 years ago
A machine makes 70 springs each hour. How many springs will the machine make in 8 hours?
umka2103 [35]
70×8= 560
560 springs an hour
4 0
4 years ago
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This is for trigonometry
Ilya [14]

a) x-intercepts (where it passes through the x-axis) are: 0.05, 0.745, 0.8, 1.45, 1.55, 2.2

The x-intercepts represent when height = 0 and y-intercepts represent when time = 0

b) The graph is positive when height is positive: [0.05, 0.745] U [0.8, 1.45] U [1.55, 2.2]

c) The graph is negative when height is negative: [0, 0.05] U [0.745, 0.8] U [1.45, 1.55] U [2.2, ∞)

d) The average rate of change is the slope (rise/run) between the coordinates when x = 0.75 <em>(y = -5)</em>  and when x = 1.125 <em> (y = 1.7).  </em>

slope = \frac{1.7 - (-5)}{1.125 - 0} =  \frac{6.7}{1.125} = 6

8 0
3 years ago
Valentina va de compras al mall con $50.000. Gasta 3/5 de esa cantidad en un buzo y la mitad del resto en una falda.¿cuanto dine
Vladimir [108]

Answer:

The amount left with Valentina is $10,000.

Step-by-step explanation:

The question is:

Valentina goes shopping at the mall with $50,000. She spends 3/5 of that amount on a diver and half the rest on a skirt. How much money does Valentina have left?

The original amount Valentina had was, <em>P</em> = $50,000.

Compute the amount spent on a diver as follows:

D = \frac{3}{5}th of $50,000

   =\frac{3}{5}\times 50000\\=30000

The amount spent on a diver was, <em>D</em> = $30,000.

Amount left:

A = P - D

   = 50000 - 30000

   = 20000

Compute the amount spent on a skirt as follows:

S = \frac{1}{2} of $20,000

  =\frac{1}{2}\times 20000\\=10000

Amount left:

A₁ =  A - S

   = 20000 - 10000

   = 10000

Thus, the amount left with Valentina is $10,000.

5 0
3 years ago
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