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dybincka [34]
3 years ago
14

What is the first step in finding the unit price on a box of 20 pencils?

Mathematics
1 answer:
olga55 [171]3 years ago
7 0

You would need to know the cost of the box of 20, then you would divide the total cost by the number of pencils in the box. This would give you the cost of one pencil - which is the unit cost.


Example:

Lets say the box of 20 pencils cost $10.


Divide the total cost by the number of pencils:

10 / 20 = 0.50 - This means each pencil cost 50 cents, so the unit cost would be 50 cents per pencil.

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Fittoniya [83]

for number 15

K= 12

for 17

answer is -36

4 0
3 years ago
Read 2 more answers
Strontium-90 has a half-life of about 29 years. After 65 years, about how many grams of a 25-gram sample will remain?
konstantin123 [22]

Answer:

Ending Amount = Beginning Amount / 2 ^ n

where 'n' = number of half-lives n = 65 / 29 = 2.2413793103

Ending Amount = 25 g / 2^2.2413793103

Ending Amount = 25 / 4.7284892286

Ending Amount = 5.2871009727  g = 5.29 g (rounded)

Step-by-step explanation:

3 0
3 years ago
Please answer this correctly​
SCORPION-xisa [38]

Answer:

1. <B, <A, <C

2. <E, <D, <F

Step-by-step explanation:

Recall: the longest side of a triangle would be opposite the largest angle, while the shortest side of a triangle would be opposite the smallest angle.

1. <B is opposite the shortest side, 3 (smallest angle)

<A is opposite the medium side, 4 (medium angle)

<C is opposite to the largest side, 5 (largest angle)

Therefore, the angles in ascending order would be:

<B, <A, <C

2. <E is opposite the shortest side, 5 (smallest angle)

<D is opposite the medium side, 6 (medium angle)

<F is opposite to the largest side, 7 (largest angle)

Therefore, the angles in ascending order would be:

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6 0
3 years ago
36p+18+8=-35<br><br> solve for p
Yuri [45]

Answer: p = - 61/36

Step-by-step explanation: first - calculate: 36p+18+8= -35 then add the numbers we can, together : 36p+ 26= -35  then move the constant to the right: 36 p = -35 - 26, now calculate the difference: 36 p = -61 divide both sides which equals -61/36

8 0
1 year ago
Read 2 more answers
Please give information how u found the answer
beks73 [17]

Answer:

the third one is the answer

Step-by-step explanation:

The first one is incorrect bc the x-intercept is where the line crosses the x-axis and the second one is wrong bc the y-intercept is where the line crosses the y-axis. the last one is incorrect bc the slope-intercept form is y=mx+b BUT the m is the slope and the b is the y-intercept.

6 0
3 years ago
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