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stich3 [128]
2 years ago
14

Abby has a collection of 61 dimes and nickels worth $4.40. How many nickels does she have? answer

Mathematics
1 answer:
timofeeve [1]2 years ago
3 0

Answer:88 nickels

Step-by-step explanation:

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Pls find the value for Y
frozen [14]

Answer:

<h2><em>y = 10</em></h2>

Step-by-step explanation:

11y - 6 = 104

11y = 104 + 6

11y = 110

y = 110  :11

y = 10

_____________

check

11*10-6=104

110=104+6

110=110

the answer is good

4 0
1 year ago
Read 2 more answers
A daylily farm sells a portion of their daylilies and allows a portion to grow and divide. The recursive formula an=1.5(an-1)-10
zaharov [31]

Answer:

Hence, the number of daylilies in the first year were:

600

Step-by-step explanation:

It is given that:

the recursive formula a_n=1.5(a_{n-1})-100 represents the number of daylilies, a, after n years.

Also we are given that in the fifth year they have 2,225 daylilies.

i.e.

a_5=2225

Also,

a_5=1.5a_4-100

a_4=1.5a_3-100

This means that:

a_5=1.5(1.5a_3-100)-100\\\\a_5=(1.5)^2a_3-100\times (1.5)-100

Similarly,

a_3=1.5a_2-100

so,

a_5=(1.5)^2\times (1.5a_2-100)-100\times (1.5)-100\\\\a_5=(1.5)^3a_2-(1.5)^2\times 100-(1.5)\times 100-100

and so, putting a_2 in terms of a_1 we get:

a_5=(1.5)^4a_1-(1.5)^3\times 100-(1.5)^2\times 100-(1.5)\times 100-100

Now on putting the value of a_5 we find the value of a_1

2225-(1.5)^4a_1-337.5-225-150-100\\\\2225=5.0625a_1-812.5\\\\2225+812.5=5.0625a_1\\\\3037.5=5.0625a_1\\\\a_1=\dfrac{3037.5}{5.0625}\\\\a_1=600

Hence, the number of daylilies in the first year were:

600

4 0
2 years ago
What is StartFraction 4 Over 5 EndFraction divided by one-third A fraction bar. The top bar is labeled 1. 3 bars underneath the
Vladimir79 [104]

Answer:

2 2/5

Step-by-step explanation:

Given 4/5÷1/3

Multiply 4/5 with the reciprocal of 1/3 as shown;

= 4/5 × 1/(1/3)

= 4/5 × 3/1

= 12/5

= 2 2/5

The quotient is 2 2/5

4 0
1 year ago
Read 2 more answers
Rolf Company pays its employees on a graduated commission scale: 1% on the first $25,000 sales, 3% on sales from $25,001 to $95,
ira [324]
First $25,000: Commission = 1/100*25000 = $250
$25,001 to $95,000: Commission = 3/100*(95000-25000) = $2,100
Above $95,000: Commission = 5/100*(100000-95000) = $250

Total commission earned = 250+2100+250 = $2,600
7 0
1 year ago
Out of 2000 random but normally distributed numbers with a mean of 45 and a standard deviation of x, approximately 1360 numbers
Greeley [361]
First we have to find which percent of 2000 numbers are 1360 numbers.
p = 1360 / 2000 * 100 = 68 %
It means that for normal distribution the values 40 and 50 are within +/- 1 standard deviation from the mean ( 45 ).
45 - x = 40 and 45 + x = 50.
x = 45 - 40 = 50 - 45 = 5
Answer:
x = 5
6 0
2 years ago
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