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RideAnS [48]
2 years ago
15

1. A recipe calls for cups of flour, cup of white sugar, and cup of brown sugar. The recipe makes 6 servings.

Mathematics
1 answer:
zlopas [31]2 years ago
4 0

1. This problem lacks given values, where are the numbers? Just fill-in the numbers I will variables in this case.

Let us say that:

x = number of cups of flour

y = number of cups of white sugar

z = number of cups of brown sugar

(a) Just divide x by 6 to get cups of flour per serving

x / 6

(b) Simply add y and z and divide the sum by 6

(y + z)/6

(c) From (a) we know that there are x / 6 flours per serving, so simply multiply that by 9 then subtract the original x to know how much more you need:

[(x / 6) * 9] – x

 

2.

(a) We know that we deposit $5 per day, so after 5 days we got:

total deposit = ($5 / day) * 5 days = $25

(b) The total deposit is 25 dollars, so removing $2 a day we need:

25 / 2 = 12.5 days

 

3.

(a) d is distance, R is rate, T is time

32.12 = 8.8 T

(b) It is rightful to write distance d as a positive number since the scuba diver was ascending towards the surface. If this is to be plotted on a Cartesian plane, we are moving towards the positive y axis

(c) solving for T:

32.12 = 8.8 T

T = 32.12 / 8.8

T = 3.65 minutes

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What is the correlation coefficient for the model that predicts the list price of all homes using population as an explanatory v
denis23 [38]

Here, we are concerned about two variables from the above data set, namely, Condo or co-ops and the Unemployment rate. We use the CORREL function of Excel to calculate the correlation coefficient rate and it is = R = -0.01873.

A Weak (negative) correlation exists between the list price of condominiums and co-ops and the unemployment rate.

The correlation coefficient is a statistical measure of the strength of the connection between the relative actions of two variables. The values varied between -1.0 and 1. zero. A calculated wide variety greater than 1. zero or less than -1.zero means that there was an error within the correlation size.

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6 0
2 years ago
Help me find x and y plz and thank you!
Luba_88 [7]

Answer:

x=3, y=5

Step-by-step explanation:

To find x:

Because opposite sides of a parallelogram are congruent, we can set up the equation 2x+5=12x-25. Solving the equation will show that x=3.

To find y:

Using the same method as x, we can find that y=5.

Hope this helped!

3 0
3 years ago
A pharmaceutical company is testing two treatments, A and B, that are used to heal wounds.
denis-greek [22]
From the equation e^(-0.055x) = 2e^(-0.124x), we can first take the natural logarithm of both sides:
ln(e^(-0.055x)) = ln(2e^(-0.124x))
ln(e^(-0.055x)) = ln2+ln(e^(-0.124x))
Since ln(e^a) = a,
-0.055x = ln2 - 0.124x
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4 0
3 years ago
John is installing five solar panels on the roof of his house. The width of each panel is between 2 feet and 4 feet, and the len
trapecia [35]
The width is between 2 feet and 4 feet
Taking the average, 1/2 (2 + 4) = 4 feet

The length is between 3 feet and 6 feet
Taking the average, 1/2 (3 + 6) = 4.5 feet

Area of one panel = 4 x 4.5 = 18 ft²
Area of 5 panels = 18 x 5
Area of 5 panels = 90 ft²

The estimated area of the 5 panels is 90 ft².

John's estimate is not reasonable as 140ft² is way too high from the average of 90 ft².

<em>Even taking the biggest possible length and width</em>
<em>The area of 1 panel = 4 x 6 = 24 ft²</em>
<em>The area of 5 panels = 24 x 5 = 120 ft²</em>
<em>Even taking the highest possible estimate of 120 ft², John's estimate is still way too high</em>

4 0
3 years ago
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