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4 years ago

If you can answer any of these please do and put the question number by the answer

Mathematics

1 answer:

ch4aika [34]4 years ago

7 0

Answer:

33. D.1/3

34. D. y= x+4

35. Slope= -2/3 Y-intercept= -6

Step-by-step explanation:

For number 33. D. 1/3 is the correct answer.

Start at the point (0,2) Then, Go up 1 and Right 3.

As a result, you land in the point (3,3) This proves that the slope is 1/3.

Note: the line is increasing and going upwards, so the slope is positive.

For number 34. D. y=x+4 is the correct answer.

When writing an equation of a line, the correct format is y=mx+b. We are given both m and b. So all we have to do is plug these values into the equation y=mx+b. As a result, we get y=1x+4, which also means y=x+4

For number 35. The Correct answer is: Slope= -2/3 Y-intercept= -6

For this question I can't see all the answer choices but I know that the Slope is -2/3 and the Y-intercept is -6. Here's why: First you need to transform the equation 2x+3y=-18 into y=mx+b format. To do this, subtract -2x from both sides of the equation and you are left with 3y=-18-2x. You can flip -18 and -2x which makes the equation 3y=-2x-18. The next step is to divide both sides of the equation by 3, which gives you y=-2/3x-6. This means Slope= -2/3 and Y-intercept= -6

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We just need to solve the system.
k = 528 – 10t
k = 14t

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24t=528
t=22 minutes

k=14*22=308 kl

Final answer: It will take 22 minutes for both tanks to hold equal amounts of water. They will each hold 308 kiloliters.

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3 years ago

Rebecca drew a graph with these key features:

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The function that could be represented by Rebecca’s graph is f(x) =-2(5/4)^x+3

<h3>How to determine the function that could be represented by Rebecca’s graph? </h3>

The properties are given as:

The function is decreasing.
The left end is approaching a constant.

For an exponential function to keep decreasing, one or more the following must be true:

The rate is less than 1
The leading factor is negative and the rate is greater than 1

For the left end of an exponential function to approach a constant, the following must be true:

The leading factor is negative and the rate is greater than 1

The equation that has the above properties is f(x) =-2(5/4)^x+3

Hence, the function that could be represented by Rebecca’s graph is f(x) =-2(5/4)^x+3

Read more about exponential functions at:

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2 years ago

What is the answer to this question someone help pls: Find three consecutive integers whose sum is -30

Cerrena [4.2K]

Answer:

-11, -10, -9

Step-by-step explanation:

The middle one is their average, -30/3 = -10. The three integers are -11, -10, -9.

_____

I like to work "consecutive integer" problems using the average value of the integers involved. The average of two consecutive integers is 1/2 more than the small one, and 1/2 less than the large one, for example. Here, there are three consecutive integers, so their average is the middle one.

If you want to write that using an equation, you can let x represent the middle integer. Then the sum is ...

(x -1) +(x) + (x+1) = 3x = -30

x = -30/3 = -10 . . . . . the same average we computed above.

x -1 = -11 . . . . . the smaller of the other two integers

x +1 = -9 . . . . . the larger of the other two integers

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3 years ago

In cashing a check for $220, Christina asked for the whole amount in $10 and $20 bills. She received a total of 13 bills, four o

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if she recieived 13 bills and 4 are 10 $? then we have 13-4= 9 20$ bills

so 4x10 +9x20 = 40+180 = 220

So yes it's true

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