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olganol [36]
3 years ago
6

A pack of 10 pencils costs $4.00. Find the unit rate of 1 pencil.

Mathematics
2 answers:
Lena [83]3 years ago
8 0
Each pencil costs $0.40 because
4.00/10=.40
Viefleur [7K]3 years ago
5 0

Answer:

.40

Step-by-step explanation:

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912 divided 58 using estimating to check for reasonableness
Tems11 [23]
912 divided by 58 would be 15.7241379 so estimated would be 15.7
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(a) How many different three-letter initials can people have: , (b) How many different three-letter initials with none of the le
marissa [1.9K]

Answer:

Step-by-step explanation:

A) 26*26*26 =17576

B)26*25*24=15600

C)26*26=676

D) 26

5 0
3 years ago
Please help do not answer if you don't know it.
iogann1982 [59]
Area parlalelogram=base times height
areatrapizod=(1/2)(base1+base2) times height
areatriangle=1/2 times base times height



1. area=(1/2)(5.9+16.3) times 4.6=51.06
first option

2. area=1/2 times 20.3 times 6.2=62.93
2nd option

3. area=5 and 1/4 times 3=15.75 or 15 and 3/4 or
4th option


4., area=1/2 times 14 times 5.5=38.5
3rd option


5. area= 5.2 times 2.3=11.96
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8 0
3 years ago
Betsy is saying for a bird cage. She saves $1 the first week, $3 the second week, $9 the third week, and so on. All together how
Zigmanuir [339]

Answer:

Betsy will save $121 in 5 weeks.

Step-by-step explanation:

We can see that Betsy's savings are 3 times the saving of her last week. We can see that this is an geometric sequence as 1,3,9,..

To find the sum of our geometric sequence we will use S_{n}=a\cdot \frac{1-r^{n}}{1-r}, where n is number of terms we are taking sum of, a is first term of sequence and r is common ratio of the sequence.

S_{5}=1\cdot \frac{1-3^{5}}{1-3}

S_{5}=\frac{1-243}{-2}

S_{n}=\frac{-242}{-2}=121

Therefore, Betsy will save $121 in 5 weeks.


8 0
3 years ago
What does -3+7y=5x+2y Equal<br> (I’m bad at math)
bogdanovich [222]

Answer: 22 /5

-3+7y=5x+2y

Step-by-step explanation:

Subtract 2y from each side

-3+7y-2y=5x+2y-2y

-3 +5y = 5x

Add 5 to each side

5y = 5x+3

Divide each side by 5

y = 5x/5 +3/5

y = x +3/5

Let x = -5

y = -5 + 3/5

y = -25/5 +3/5

y = -22/5

Step-by-step explanation:

5 0
3 years ago
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