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madreJ [45]
3 years ago
5

Ryan opens a bank account with $50. Each month he deposits an amount that doubles his savings. Ryan gets $2 from the bank each m

onth as an incentive for maintaining this savings pattern. Which recursive function represents the amount in Ryan’s account in any month?
next = 2 × now + 2, starting at 50
next = 2 + 2, starting at 2
next = now + 2, starting at 50
next = 2 – now, starting at 50
next = 2 × now, starting at 2
Mathematics
2 answers:
tigry1 [53]3 years ago
6 0
<span>next = 2 × now + 2, starting at 50</span>
SOVA2 [1]3 years ago
3 0

Answer:

A.) next = 2 × now + 2, starting at 50

Step-by-step explanation:

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Natalie spends x dollars on each flower for her garden. Which expression shows the amount she will spend on 5 flowers? A.5x B. X
just olya [345]
A. 5x
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4 0
3 years ago
2. Suppose (220)_b and (251)_b are the squares of consecutive integers. Determine b.
Andrei [34K]

Let x and x+1 be these consecutive integers. For some base b, we can write

(x_{10})^2=220_b=2b^2+2b

((x+1)_{10})^2=251_b=2b^2+5b+1

If

x^2=2b^2+2b

then

x^2+1=2b^2+2b+1

Now,

x^2+2x+1=2b^2+5b+1

2x+2b^2+2b+1=2b^2+5b+1

\implies2x=3b

Squaring both sides gives

4x^2=9b^2

and so

4(2b^2+2b)=9b^2

\implies8b^2+8b=9b^2

\implies b^2-8b=0\implies\boxed{b=8}

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3 0
3 years ago
a television on sale for 1/4 off original price. Original price is 120 more then sale price. What is original price of tv
agasfer [191]

Answer:

Original Price = 160

Sale Price =40

Step-by-step explanation:

Let Original Price be x and Sale Price be y

y=1/4 of x   (Equation 1)

x=120+y     (Equation 2)

Put value of x from equation 2 in equation 1

y= (1/4)*(120+y)

y=120/4 + y/4

y-y/4=30

3y/4=30

y=30*4/3

y=40

Put value of y in Equation 2

x=120+40

x=160

4 0
3 years ago
Can someone please help me
Umnica [9.8K]

9514 1404 393

Answer:

  • central: XWR, VWU
  • inscribed: VST

Step-by-step explanation:

Point W is the center of the circle. Any angle with W as its vertex is a central angle:

  angles XWR and VWU are central angles

Any angle with its vertex on the circle and rays that intersect the circle is an inscribed angle.

  angle VST is an inscribed angle

7 0
3 years ago
3(2x+6)<br> Distributive Property
Ksivusya [100]

Answer:

6x+18

Step-by-step explanation:

Multiply 3 to all the numbers on the parenthesis

Hope this helps!

7 0
3 years ago
Read 2 more answers
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