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kramer
4 years ago
8

Marina bought 4 notebooks, which cost b dollars each and 3 pens, which cost c dollars each. How much money did Marina spend?

Mathematics
2 answers:
rewona [7]4 years ago
7 0

i'm sorry but can you put in more details as to what each item costs, if it is just variables then it should be something like b times the amount bought plus c times the amount bought. without the costs i cannot actually give you how much she spent

ArbitrLikvidat [17]4 years ago
3 0

Answer:

4n+3p

Step-by-step explanation:

You basically multiply both and add them together to get the total sum

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What is the value of n in the equation –(2n + 4) + 6 = –9 + 4(2n + 1)?
ollegr [7]
<h3>Answer:</h3>

5/2

<h3>Step-by-step explanation:</h3>

Start by eliminating parentheses.

... 2n +4 +6 = -9 +8n +4

... 10 = -5 +6n . . . . subtract 2n

... 15 = 6n . . . . . . . add 5

... 15/6 = n = 5/2

_____

<u>Check</u>

(2·5/2 +4) +6 = -9 +4(2·5/2 +1)

5 +4 +6 = -9 +4(5 +1)

15 = -9 +24 . . . . . true, so the answer checks OK

7 0
3 years ago
Read 2 more answers
Find c for me please
UNO [17]

Answer:

180

Step-by-step explanation:

30+60+90

90+90

180

we have add all the angle

6 0
4 years ago
Show your work on the multiplication please
Nataly [62]

Answer:

Daniel has 6,174 pokemon cards:)

We know this because 18 x 343 is 6,174.

(Hope this helps)

8 0
3 years ago
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Determine the solution(s) to the system given the pair of tables. Fill in the blanks with your answers.
Bezzdna [24]

Answer:

(-1,-4) & (4,6)

Step-by-step explanation:

Solution is the point(s) (x,y) which lie on both the functions.

(-1,-4) & (4,6) are the points common to both functions

7 0
4 years ago
Anyone solve these questions plz​
LuckyWell [14K]

Answer:

5)7:8=180

84:96=180

6)4:5=90

40:50=90

7)a). q=135

p=45

b).a=70

b=110

supplementary angle=sum of two angle 180°

complementary angle=sum of two angle 90°

3 0
3 years ago
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