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adelina 88 [10]
2 years ago
13

Question Navigator

Mathematics
2 answers:
MArishka [77]2 years ago
8 0
C and B are correct,
dmitriy555 [2]2 years ago
4 0
Horaciones en ingles fe la palabra hot
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Brian has 40000 to invest in a mix of corporate and municipal bonds. The corporate bond pays 10% simple annual interest and the
jonny [76]

Answer:

Sum of money invested in corporate bonds = 30,000

Step-by-step explanation:

Total sum = 40,000

The rate of interest for corporate bonds = 10 % = 0.1

The rate of interest for municipal bonds = 6 % = 0.06

Total interest = 3600

Let sum of money invested in corporate bonds = x

The sum of money invested in municipal bonds = 40000 - x

x × 0.1 × 1 + (40000 - x) × 0.06 × 1 = 3600

(0.1- 0.06)x + 2400 = 3600

0.04 x = 1200

x = 30,000

Since x =  sum of money invested in corporate bonds

So  sum of money invested in corporate bonds = 30000

4 0
3 years ago
1. Ashley has a debt of $132. If she plans on paying
kirill115 [55]

Answer:

11

Step-by-step explanation:

12x 11=132  or 12x12=144-12=132.

5 0
3 years ago
Use any method to solve the equation. If necessary, round to the nearest hundredth.7x2 − 16x = 8
Semmy [17]
7x^2 - 16x - 8 = 0

using the quadratic formula x = [ -(-16)+/- sqrt((-16^2 - 4*7-8]  / 2*7

 =   (16 +/1 sqrt 480)  / 14

=  2.71, -0.42     to nearest hundredth
4 0
2 years ago
Round 62,971 to the nearest thousand
maks197457 [2]

Answer:

60,000

Step-by-step explanation:

you get your 6 and see if the 2 is over 5 if not keep 6 and the others are 0

4 0
3 years ago
Read 2 more answers
Math To Do Ready
emmasim [6.3K]

Answer:

  • At 1pm, the number of bacteria in the dish is 1,000,000
  • At 12pm, the number of bacteria in the dish is 500,000

Step-by-step explanation:

Given the information on the table

\left|\begin{array}{c|c}$Hour&$Number of Bacteria (in millions)\\---&--------------\\12 p.m.&\\1 p.m.&\\12 p.m.&\\2 p.m.&\\3 p.m.&\\4 p.m.&\\5 p.m.&32\\6 p.m.&64\end{array}\right|

We are to follow the pattern to determine how many million bacteria were in the dish at  1 p.m. and 12 p.m.

Now:

32=2^5\\64=2^6

It therefore means that the bacteria population doubles every hour. Following this pattern and reducing the exponents by 1 backwards, we have:

\left|\begin{array}{c|c}$Hour&$Number of Bacteria (in millions)\\---&--------------\\12 p.m.&2^{-1}=0.5\\1 p.m.&2^0=1\\12 p.m.&2^1=2\\2 p.m.&2^2=4\\3 p.m.&2^3=8\\4 p.m.&2^4=16\\5 p.m.&2^5=32\\6 p.m.&2^6=64\end{array}\right|

Therefore:

  • At 1pm, the number of bacteria in the dish is 1,000,000
  • At 12pm, the number of bacteria is 0.5 million=0.5 X 1,000,000=500,000
3 0
2 years ago
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