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3 years ago

Please help asap

Mathematics

1 answer:

USPshnik [31]3 years ago

6 0

C!!!!!!!!!!!!!!!!!!!!!!!!!

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There are 18 girl in a class and boys in the class is 3:2. Find the number of boys.

Sunny_sXe [5.5K]

Answer

Explanation

2xand 3x

let 3 be 3x

3x=18

X=18/3

X=6

now

2x=2multiply6

the number of boys is 12

8 0

3 years ago

a can complete a piece of work in 10 days B can do it in 12 days C can do it in 15 days in how many days will they finish the wo

Anna [14]

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5 0

3 years ago

HELP PLEASE !!!

jasenka [17]

Answer:

The owner should gather more.

Step-by-step explanation:

He should gather more so he can make sure he is correct.

3 0

3 years ago

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Draw a double number line to solve the following rate problem.

IgorLugansk [536]

The ratio here is

3/4 cup milk 6 cups milk
-------------------- Now equate this to -----------------
1 beaten egg x

Solving this equation, (3/4)x = 6, and x = 8 (eggs) (answer)

Check: Note that 3/4 / 1 = 6 / 8

5 0

3 years ago

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Consider the two functions. Which statement is true?

Nitella [24]

Answer: Function 2 has a greater rate of change by 13/4

Step-by-step explanation:

We must work with linear equations, remember that the general shape is:

y = a*x + b

where a is the slope and b is the y-intercept.

Ok, first we want to find the rate of change (or the slope) of the graphed line:

We know that for a line that passes through the points (x1, y1) and (x2, y2)

The slope is:

a = (y2 - y1)/(x2 - x1)

Then for the graphed function, we can see that it passes through the points:

(0, -2) and (4, 0)

Then the slope is:

a = (0 -(-2))/(4 - 0) = 2/4 = 1/2

Now, the slope of the second line is 15/4.

Let's calculate the difference between the slopes:

15/4 - 1/2 = 15/4 - 2/4 = 13/4

(notice that we are calculating slope2 - slope1)

Then the correct option is:

Function 2 has a greater rate of change by 13/4

8 0

3 years ago

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