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Marta_Voda [28]
4 years ago
12

37. The students at Norton School were asked to name their favorite type of

Mathematics
1 answer:
Bumek [7]4 years ago
5 0

Answer: 60 students

Step-by-step explanation:

So, in the first situation 430 students were surveyed and 258 said that their favourite pet was a dog. The second situation is 100 students and x said that their favourite pet was a dog. We are solving x.

430=258

100= x

Cross multiply

So that is

430 x X= 100x258

430x=25800

Divide both sides by 430

Answer: 60 students

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Suppose that 2000 is invested at a rate of 2.4% , compounded semiannually. Assuming that no withdrawals are made, find the total
gtnhenbr [62]

Answer:

$2479.02

Step-by-step explanation:

The invested amount is $2000 at a rate of 2.4% which compounds semiannually.

Therefore, the semiannual interest rate is \frac{2.4}{2} = 1.2%.

Then the principal is compounded (9 × 2) = 18 times within a period of 9 years.

If there is no withdrawal from the account, then after 9 years the sum will become

2000(1 + \frac{1.2}{100} )^{18} = 2479.02 dollars {Rounded to the nearest cent} (Answer)

4 0
3 years ago
Write a number that means the same as (5×10,000) + (4×100) +(3×1)
pogonyaev
10,000x5=50,000
100x4=400
3x1=3

Total = 50,403
8 0
3 years ago
Read 2 more answers
Help please! :) Its really late and cant process that much math, i did the others, but this first one confused me.
Vera_Pavlovna [14]
Use pythagorean theorem to find the bottom side of the left triangle.
12^2+b^2=15^2
144+b^2= 225
b^2= 81
b=9
you will then subtract 9 from 25 to get 16
area from the triangle on the right
A=(1/2)16*12
A= 96 in^2
then for the triangle on the right
A= (1/2)12*9
A= 54 in^2
then add the two areas together

Total Area= 150 in^2
4 0
3 years ago
Read 2 more answers
If a basket of goods and services used to calculate CPI contains 2 pairs of socks at $2 each and 1 pair of shoes at $50, what wi
Svetach [21]

Answer:

B. 55.10

Step-by-step explanation:

Given:

1 pair of Shoes for 1st year = $50

2 pair of Sock for 1st year = $2 each = 2\times2= $4

\therefore CPI for year 1 = Price of shoes for 1st year + Price of Sock for 1st year= $50 + $4 = $54

Now

1 pair of Shoes for 2nd year = $51

2 pair of Sock for 2nd year = $2.05 each = 2 \times2.05 =$4.10

\therefore CPI for Year 2 = Price of shoes for 2nd year + Price of Sock for 2nd year= $51 + $4.1 = $55.10

Hence CPI for Year 2 is $55.10

7 0
3 years ago
You randomly draw a card from a standard deck of of playing cards. Let A be the event that the card is an ace, let B be the even
lianna [129]
A 4/52 B 26/52 C 13/52 of course in simpilest form though.
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3 years ago
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