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AleksAgata [21]
3 years ago
5

Charges 40 dollars. He also charges 30 each hour. How much will he make in 5 hours

Mathematics
1 answer:
AVprozaik [17]3 years ago
5 0

40 + 30(5)

40 + 150

= 190

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I need someone to check these answers ASAP.
Reptile [31]

Alright, 1, 2, and 4 are correct but 3 is not.

The error you made could be hard to notice but it was made. So let's put the equation up, 6x-(2x-9)=-31. Your error occurred when you didn;t distribute the negative sign for (2x-9), if you woud have distributed it then the equation would then be simplified into 6x-2x+9=31. You then add like terms and get 4x+9=31, subtract 9 on both sides and you'll get 4x=22. Divide 4 on both sides to isolate the variable and you get x=5.5

7 0
3 years ago
your friend works as a waitress at your local restaurant her income consists of an hourly wage plus tips. On Wednesday, your fri
shusha [124]
25+5x=30.76+3x

about $3 because...
25+5(3)=40 and 30.76+3(3)=39.76
which is probably as close as your gonna get

4 0
3 years ago
Does anyone know how to solve this?
Margarita [4]

Answer:

The correct option is c.

Step-by-step explanation:

Given that,

u = 7i+4j and v = 2i-3j

We need to find the product of u and v. The dot product of two vectors is given by :

u{\cdot}v=(7i+4j){\cdot} (2i-3j)\\\\=(7i)(2i)+(4j)(-3j)\\\\=14-12\\\\=2

So, the dot product of u and v is equal to 2.

4 0
3 years ago
Please help me with this
Ivan
800/560
10/7

Your answer is 1 3/7 pounds per dollar

hope it helps
6 0
3 years ago
Read 2 more answers
What is the value of 2 + b(a? + 4) when a = 2 and b = 4?<br> A 22<br> B 34<br> C 2<br> D 48
lisov135 [29]

Answer: 26

Step-by-step explanation:

lets replace a and b with the numbers provided

2+4(2+4)=2+4(6)=2+24=26

4 0
3 years ago
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