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ikadub [295]
4 years ago
10

(HELP NEEDED RIGHT NOW)To make a cleaning solution Bella mixes 3 cups of water to 5 drops of cleaner. Which ratio of water to cl

eaner will make the same cleaning solution?
6 : 5

15 : 12

21 : 35

3 : 8
Mathematics
2 answers:
Olegator [25]4 years ago
7 0
I think it’s actually 21:35 because take the two numbers given and multiply them by 7 and you get 21 and 35 (3 x 7=21) (7 x 5= 35)
julia-pushkina [17]4 years ago
3 0

Answer:

15: 12

Step-by-step explanation:

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6) Alex and Kendra arrive at the Texas State Fair with
kherson [118]

Answer:

Step-by-step explanation:

so first you need to make a equation

since we are trying to find out the amount of rides we can make that stand for x so..

we can first write it as 2.50x

(x = the numbers of rides)

since the entree fee is 17 dollars but they are two kids we have to times 17 by 2 giving us 34 we can add 34 dollars to the equation

34 + 2.50x

alex and kendra have only $51.50 dollars and they cant spend more then that so that means the whole equation has to equal $51.50

34 + 2.50x = 51.50

since we are trying to find the number of rides we can subtract 34 on both sides giving us

2.50x = 51.50 - 34

2.50x = 17.50

then we solve for x which you can divde 2.50 on both sides

x = 17.50 /2.50

x = 7

7 0
3 years ago
What is 448 28% of?<br> Then, what is 24% f that number?
Tanzania [10]
448 is 28% of 1,600

24% of 1,600 = 384. 
4 0
4 years ago
Consider the following table.
kobusy [5.1K]

Answer:

The function for the model that gives the pressure in atm is given as:

P = 1.000 + 0.030*D

Step-by-step explanation:

From the question, we are given the Depth with corresponding P. Our duty is to calculate the Pressure (P) in the atm given the Depth (D). From this, we know that:

1. Pressure (P) is the dependent variable, and

2. Depth (D) is the independent variable.

Hence the function is a linear relationship which is known as regression equation. This can be achieve by estimating the:

i) Slope (β), and

ii) Intercept (α).

We can obtain the slope by:

\beta = \frac{n\sum(P)\sum(D) -  \sum{PD}}{n\sum{D}^2 - (\sum{D})^2}, and

\alpha = \frac{\sum{P}}{n} - \beta \frac{\sum{D}}{n}.

Hence, the function is:

\hat{P} = α + β D

You can achieve the task through R programming. Here is the R code.

#... this code in R programming

D = c(0,33,66,99,132)

P = c(1,2,3,4,5)

mod = lm(P~D)

mod.

############################

And we obtained P = 1.000 + 0.030 D

7 0
4 years ago
Subtract<br> (2+8i)-(7+2i)
Mkey [24]
2 - 7 = -5
8i - 2i = 6i

-5 + 6i is your answer

hope this helps
3 0
3 years ago
The dot plot shows h r. Ruda's class scored on a 5-point math quiz. Mr. Ruda described the data as having a spread from
Andrew [12]

Answer:

B. The center is at 2

Step-by-step explanation:

5 0
3 years ago
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