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Grace [21]
3 years ago
7

I need help with my math

Mathematics
2 answers:
lana66690 [7]3 years ago
5 0

i would help but dont know how

adoni [48]3 years ago
5 0
What you have to do is divide 5 2/3 by 2 which is 2 5/6 hope this helps
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At Alan's auto shop, it takes him minutes to do an oil change and minutes to do a tire change. Let be the number of oil changes
kirill [66]

Complete question :

At Alan's auto shop, it takes him 9 minutes to do an oil change and 12 minutes to do a tire change. Let x be the number of oil changes he does. Let y be the number of tire changes he does. Using the values and variables given, write an inequality describing how many oil changes and tire changes Alan can do in less than an hour ( minutes).

Answer:

9x + 12y < 120

Step-by-step explanation:

Given that:

Time taken for oil change = 9 minutes

Time taken for tire change = 12 minutes

x = number of oil changes ; y = number of tire changes

Total hours = 1 hour = 60 minutes

Number of oil and Tyre changes possible in less than an hour

(Number of oil changes * time taken) + (number of tire changes * time taken) less than 60 minutes

9x + 12y < 120

8 0
3 years ago
Read 2 more answers
Please help me with this
AlladinOne [14]
(a)The amount of soil he had last week
(b) p/2+4=28
(c) 12 because 
(d) 12

8 0
3 years ago
9 time as many as 5 is 45
Nonamiya [84]
9 times 5 equals 45 so yes
8 0
3 years ago
Read 2 more answers
A civil engineer is designing a public parking lot for the new town hall. The number of cars in each row should be six less than
Alexandra [31]
The new parking lot must hold twice as many cars as the previous parking lot. The previous parking lot could hold 56 cars. So this means the new parking lot must hold 2 x 56 = 112 cars

Let y represent the number of cars in each row, and x be the number of total rows in the parking lot. Since the number of cars in each row must be 6 less than the number of rows, we can write the equation as:

y = x - 6             (1)

The product of cars in each row and the number of rows will give the total number of cars. So we can write the equation as:

xy = 112           (2)

Using the above two equations, the civil engineer can find the number of rows he should include in the new parking lot.

Using the value of y from equation 1 to 2, we get:

x(x - 6) = 112       (3)

This equation is only in terms of x, i.e. the number of rows and can be directly solved to find the number of rows that must in new parking lot.
6 0
3 years ago
I am thinking of two numbers. The sum of the numbers is 5. The first number is one less than the second number. Write a system o
Dominik [7]

Answer:

x + y = 5

y = x - 1

Hope this helped!

7 0
2 years ago
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