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r-ruslan [8.4K]
2 years ago
7

What is (p) + (2p + 1) + (p+4)

Mathematics
2 answers:
Harrizon [31]2 years ago
6 0
4p + 5 is the answer
AlladinOne [14]2 years ago
3 0

Answer:

4p + 5

Step-by-step explanation:

Add all like terms:

p + 2p + p = 4p

1 + 4 = 5

4p + 5

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a collection of dimes and quarters is worth $19.85. There are 128 coins in all. How many of each type of coin are in the collect
PolarNik [594]

Number of dimes were 81 and number of quarters were 47

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

We know that,

value of 1 dime = $ 0.10

value of 1 quarter = $ 0.25

<em><u>Given that There are 128 coins in all</u></em>

number of dimes + number of quarters = 128

d + q = 128 ------ eqn 1

<em><u>Also given that collection of dimes and quarters is worth $19.85</u></em>

number of dimes x value of 1 dime + number of quarters x value of 1 quarter = 19.85

d \times 0.10 + q \times 0.25 = 19.85

0.1d + 0.25q = 19.85  -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 1,

d = 128 - q -------- eqn 3

<em><u>Substitute eqn 3 in eqn 2</u></em>

0.1(128 - q) + 0.25q = 19.85

12.8 - 0.1q + 0.25q = 19.85

12.8 + 0.15q = 19.85

0.15q = 7.05

<h3>q = 47</h3>

Therefore from eqn 3,

d = 128 - q

d = 128 - 47

<h3>d = 81</h3>

Thus number of dimes were 81 and number of quarters were 47

4 0
3 years ago
Help me please? i needa help. am bad at maths.
Usimov [2.4K]

Answer:

6/3 or 2 (you should probably write 2 though)

(there’s a couple notes in the pic too that will help you with slopes)

7 0
3 years ago
If it took 8 people 10 hours to build a barn, how long would it take 14 people to build the same barn?
Basile [38]

Answer:

if 8 people take 10 hours then

1 people 10 / 8 = 1.25 hours

then 14 people =

14 * 1.25 = 17.5 hours

8 0
2 years ago
Find the quontient. 673÷3
vampirchik [111]
673/3 is about 224.3333
7 0
2 years ago
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Which is the quotient of 15 divided 4? 4/15, 2 2/3, 3 3/4, 4 4/15
Monica [59]

Answer:

its 3 3/4 or in decimal form 3.75

Step-by-step explanation:

15 divided by 4 gives you that answer

7 0
3 years ago
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