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aivan3 [116]
2 years ago
7

An investor invests $100 in a certificate, which compounds semi-annually, for a time period of one year. If he wants to quadrupl

e his money in one year, what interest rate would be needed?
Mathematics
1 answer:
vagabundo [1.1K]2 years ago
8 0
4p=p(1+i/2)^2
4=(1+i/2)^2 solve for I
Hope it helps
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Simplify:
svetlana [45]

Answer:

−(7p+6)−2(−1−2p) = - 3p - 4

Step-by-step explanation:

−(7p+6)−2(−1−2p) = -7p - 6 + 2 + 4p

                            = (-7p + 4p) + (2 - 6)

                            = -(7p - 4p) - (6 - 2)

                           = - 3p - 4

7 0
2 years ago
The sum of three times the larger of two integers and twice the smaller is seven the difference between the two integers is four
Aloiza [94]

Answer:

x=3   y=-1

Step-by-step explanation:

3x+2y=7

x-y=4

4 0
3 years ago
Find the value of b. Then find the angle measures of the pentagon.
melamori03 [73]

Answer:

b = 90

Step-by-step explanation:

Sum the interior angles of the pentagon and equate to 540

Starting from the top and going clockwise

b + b + 45 + 90 + 2b - 90 + \frac{3}{2} b = 540 ← simplify left side

\frac{11}{2} b + 45 = 540 ( multiply through by 2 to clear the fraction )

11b + 90 = 1080 ( subtract 90 from both sides )

11b = 990 ( divide both sides by 11 )

b = 90

Thus

b + 45 = 90 + 45 = 135

2b - 90 = 2(90) - 90 = 180 - 90 = 90

\frac{3}{2} b = \frac{3}{2} × 90 = 135

The angle measure from the top clockwise are

90°, 135°, 90°, 90°, 135°

7 0
2 years ago
Harmonic mean between x and y is
Komok [63]

Harmonic mean between two positive numbers x and y, The simplified formula is \boxed { \mathfrak{h = \frac{2 \times x \times y}{(x + y)}  }} I.e. you need to double the product of x and y then divide it by the sum of x and y...~

4 0
2 years ago
Read 2 more answers
PLSSS HELPPPPP!!!! Evaluate the expression. -1 - (-6 + 10) = -1 =​
Pie

Answer:

3

Step-by-step explanation:

Given

- 1 - (- 6 + 10 ) ÷ - 1 ← evaluate parenthesis

= - 1 - (4) ÷ - 1

= - 1 - 4 ÷ - 1 ← evaluate division

= - 1 + 4

= 3

6 0
3 years ago
Read 2 more answers
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