Answer:
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Step-by-step explanation:
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Answer:
The amount of flour Mrs.Stewart needs for 5 cups of shortening
cups.
Step-by-step explanation:
Mrs.Stewart pie dough needs
cups of shortening for
cups of flour.
Now we assume that the shortening needed for
cups of flour is
cups.
Accordingly we can arrange the ratios.
So for one cup of shortening how many cups of flour is needed we have to use the unitary method:
![\frac{cups\ of flour\ (x)}{cups\ of\ shortening\ (y)} =\frac{x}{y} =\frac{5/2}{2/3}](https://tex.z-dn.net/?f=%5Cfrac%7Bcups%5C%20of%20flour%5C%20%28x%29%7D%7Bcups%5C%20of%5C%20shortening%5C%20%28y%29%7D%20%3D%5Cfrac%7Bx%7D%7By%7D%20%3D%5Cfrac%7B5%2F2%7D%7B2%2F3%7D)
Plugging the value of
as it is number of cups of shortening Mrs.Stewart have used.
And multiplying both sides with
.
Number of cups of flour needed when
cups of shortenings are used
.
So, ![(x)=\frac{5\times 3\times 5}{2\times 2} =\frac{75}{4} = 18\tfrac{3}{4}](https://tex.z-dn.net/?f=%28x%29%3D%5Cfrac%7B5%5Ctimes%203%5Ctimes%205%7D%7B2%5Ctimes%202%7D%20%3D%5Cfrac%7B75%7D%7B4%7D%20%3D%2018%5Ctfrac%7B3%7D%7B4%7D)
The amount of floor Mrs.Stewart needed for
cups of shortening
cups of floor.
X = 4 , y = -1
Explanation:
solve by elimination ie eliminate x or y from the equations by performing operations on them.
first label the equations , to follow the process.
x - y = 5 ----------------(1)
x+ y = 3 ----------------(2)
If (1) and (2) are added then y will be eliminated.
(1) + (2) gives : 2x = 8 → x = 4
now substitute this value of x into either of the 2 equations and solve for y.
let x = 4 in (1) : 4 - y = 5 → -y = 1 → y = -1
check in (1) : 4-(-1) = 4+1 = 5
check in(2) : 4 - 1 = 3
Answer: a. 10%
Step-by-step explanation:
Girls in the class = 40%
Girls play tennis = 25%
Percentage of class play tennis = 40%*25% = 0.4*0.25 = 0.1
Percentage of class play tennis = 10%
We are given the equation <span>3^x = 2x + 1 in which x as the number of days of the population of flies and the number of flies consumed by iguana each week. In this case, the other equation described when x =7 population is not more than 8. The graph is a logarithmic graph</span>