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gogolik [260]
3 years ago
15

Pls I need this urgently my test is gonna end

Mathematics
1 answer:
masha68 [24]3 years ago
8 0
1. Is the last one hope that help
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10 men who work 9hours per day, complete half of a work in 6days. How many days required for 15 men who work 12 hour per day to
S_A_V [24]

Answer:

So, you need 3 days approximately

Step-by-step explanation:

We will use Chain Rule to solve this question.

According to Chain Rule, the work efficiency remains constant.

• WWF×TWWF×T= Constant

• Here W = Work Done, WF = Workforce, T = Time.

Let the number of days  needed be 'x'.

Applying Chain Rule,

10×9×6= 15×12×(x)

Or, x=3x=3 day

So, you need 3 days approximately.

Please mark me brainliest

7 0
3 years ago
Someone please help me on these 2 problems!
Veronika [31]

1) function  2) not a function

the first one is a function because its y values are the same number (3), which means it is a horizontal line and horizontal lines are functions.  

the second one is not a function because the coordinates cannot have different inputs but different outputs. each input must have only one output.

the coordinates for the second one are:

(2,5); (1,1); (1,2); (3,2)

and <u>a function cannot have two same x-coordinates</u>. it must pass the vertical line test which is a way to tell if something is a function or not. since the second graph does not pass the vertical line test, it is not a function

hope this helps :)

5 0
3 years ago
PLEASE ANSWER I AM BEING TIMED!!! WILL MARK BRAINLIEST IF CORRECT. THANKS
ivanzaharov [21]

Answer:

5^3

Step-by-step explanation:

3 0
4 years ago
yesterday, Jack drove 40 1/2 miles. he used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallons
Amanda [17]


From the information we have, Jack drove 401/2 miles and used a total of 1 1/4 gallons of gasoline.

We need to find out how many miles he travelled  per each gallon.

40 1/2 miles can be written as 40.5 miles

1 1/4 gallons  can be written as 1.25 gallons.

So now we form an equation.

40.5 = 1.25

   x = 1

Where x is the number of miles per gallon

We cross multiply the equation

40.5 * 1 = 1.25 * x


40.5 = 1.25x

40.5 / 1.25  = x

 32.4 = x

x = 32 .4

So the unit rate for miles per gallons is 32.4 miles per gallon


3 0
4 years ago
A cook uses 2.5 cups of flour for each ounce of butter in a recipe.Which graph represents the relationship between the amount of
Mrac [35]

Answer:

To view the graph, go to desmos.com and start graphing, then type in: y/x=2/5 and the graph will appear

Step-by-step explanation:

The ratio 2:5, when represented in a graph, becomes y/x=2/5 and this means that if y is 2, then x is 5, and so on, and so forth.

3 0
4 years ago
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