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9966 [12]
3 years ago
12

An American tourist visits South Africa with $3000. The exchange rate when she arrives is

Mathematics
1 answer:
algol [13]3 years ago
8 0

9514 1404 393

Answer:

  $2505.80

Step-by-step explanation:

After the first exchange, the tourist has ...

  $3000(12.90 R/$) = R38,700

After 7 days, she has ...

  R38,700 -7(R900) = R32,400

After the second exchange, she has ...

  R32,400 × ($1/R12.93) = $2505.80

She gets $2505.80 at the second exchange.

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The perimeter of a rectangular field is 100 feet. Which *COULD NOT* be the length and width of the perimeter?
Rina8888 [55]

Answer:

D) L=50 W=50

Step-by-step explanation:

Just "plug and chug" these numbers and see which doesn't work.

A is not it, 20+30=50 (then *2 because we need 4 sides not just 2) 50*2=100

B isn't it, 10+40=50*2=100

C ain't it either 49+1=50*2=100

D is the answer 50+50=100*2=200

7 0
3 years ago
The equation of line EF is y = 2x + 1. Write an equation of a line parallel to line EF in slope-intercept form that contains poi
blsea [12.9K]
The answer is y = 2x+2
4 0
3 years ago
Read 2 more answers
The graph of the function F(x) = 2x^2-8 is changed. The new graph can be
vova2212 [387]

Answer:

The graph now opens in the opposite direction. The y intercept is shifted up 4.

Step-by-step explanation:

F(x) = 2x^2-8

F(X)= -2x^2-4

We know that the graph is reflected over the y-intercept becuase of the negative sign in the second equation ( F(X)= -2x^2-4)

We know that the intercept is shifted up four, because the number decreased from 8 to 4, and the graph is reflected.

Attacthed is both of the equations graphed to help you visualize this shift!

6 0
3 years ago
Tao Bergolts bank granted him a single-payment loan of $4,400 at an interest rate of 12 percent. The term of the loan is 172 day
jolli1 [7]

Answer: $ 14736 (approx)

Step-by-step explanation:

Since,  Maturity value is the amount payable to an investor at the end of a holding period of debt instrument.

And, It is defined as, V= P(1+r)^n

Where, P is the principal amount,

r is the interest rate

And, n is the time period.

Here, P=  $4,400 r=  12 % and n = 172/365

Thus, Maturity value for this loan,

V = 4400(1+12)^{172/365}

⇒V= 4400 × 3.34908932078 = 14735.9930114 ≈ 14736


6 0
3 years ago
Hans the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the ot
xz_007 [3.2K]

<span>A = hours for plan A
B = hours for plan B</span>

<span>Monday: 6A + 5B = 7
Tuesday: 2A + 3B = 3</span>

use elimination by multiplying the 2nd equation by 3.

Doing that we get 3(2A + 3B = 3) = 6A + 9B = 9

<span>So the two equations are now:
6A + 9B = 9</span>

6A + 5B = 7

Subtract and we have 4B = 2

B = 2/4 = 1/2 of an hour

Now put 1/2 back into either equation to solve for A

<span>6A + 5(1/2) = 7
6A + 5/2 = 7
6A = 14/2 -5/2
6A = 9/2
divide by 6 to get A = 9/12 = ¾  hours</span>

<span>Plan A = 3/4 hour</span>

<span> Plan B = 1/2 hour</span>


3 0
4 years ago
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