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vesna_86 [32]
3 years ago
6

60 points !! i'll mark brainliest as well . don't scam or i'll report thanksss :)

Mathematics
1 answer:
sp2606 [1]3 years ago
4 0

Answer:

2, 6, 28, 358.01

Step-by-step explanation:

We have to find the fractions of whole numbers.

Number 1:

\frac{1}{5} of 10 = \frac{1}{5} \times (2 \times 5) = 2 (Answer)

Number 2:

\frac{2}{3} of 9 = \frac{2}{3} \times (3 \times 3) = 2 \times 3 = 6 (Answer)

Number 3:

\frac{7}{8} of 32 = \frac{7}{8} \times (4 \times 8) = 7 \times 4 = 28 (Answer)

Number 4:

3 \times 10^{2} + 5 \times 10^{1} + 8 \times 10^{0} + 1 \times \frac{1}{10^{2} }

= 3 \times 100 + 5 \times 10 + 8 \times 1 + \frac{1}{100} {Since a^{0} = 1}

= 300 + 50 + 8 + 0.01

= 358.01 (Answer)

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2. There are some nickets, dimes, and quarters in a large piggy bank. For every 2 nickels, there are 3 dimes. For every 2 dimes,
Elena-2011 [213]

Answer:   There are 80 nickels, 120 dimes, and 300 quarters.

Step-by-step explanation:

Since for every 2 dimes there are 5 quarters, and for every 2 nickels there are 3 dimes, there can be 4 nickels, so there will be 6 dimes and 15 quarters. When you add all of them up it equals 25, so you take 500 divided by 25, and that equals 20, so you take the 4 nickels, 6 dimes, and 15 quarters times 20.

20 x 4 = 80

20 x 6 = 120

20 x 15 = 300

Hope this helps! :D

5 0
3 years ago
What is the domain of {(1, 3) (4, 3) (6, 2)}?
bija089 [108]
Domain means the set of x values. So the domain would be 1,4,6
5 0
3 years ago
Read 2 more answers
1/4(8x-20)=6x-1(x-25)​
Norma-Jean [14]

Answer:

x=-10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Only do number 19 vote you brainiest
lesya [120]

Answer:

I think 5/12 of them are in 8th grade

Step-by-step explanation:

6 0
3 years ago
A growth medium is inoculated with 1,000 bacteria, witch grow at rate of 15% each day. What is the population of the culture 6 d
Sonja [21]

Answer: the population of the culture 6 days after inoculation is 2313.

Step-by-step explanation:

The growth rate is exponential. We would apply the formula for exponential growth which is expressed as

y = b(1 + r)^ t

Where

y represents the population after t days.

t represents the number of days.

b represents the initial population.

r represents rate of growth.

From the information given,

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t = 6 days

Therefore

y = 1000(1 + 0.15)^6

y = 1000(1.15)^6

y = 2313

3 0
3 years ago
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