, 07.12.2021 14:55 kurtiee

# What's More At this point, let us deepen your understanding on how to solve probleme involving systems of linear inequalities in two variables by graphing. Activity 3: I Can Make It! Direction. Solve the given problem involving system of linear inequalities using any method. Eulah involved herself in livelihood program during home quarantine. It takes her 2 hours to make a mini-bag (1) and 4 hours to make a basket (y). She can work at least 20 hours a week. The cost to make a mini-bag is Php 100.00 and the cost te make a basket is Php 50.00. She can afford to spend no more than Php 1,000.00 Find 3 possible number of mini-bag and basket that can be made each week.

6(.50)+n(1.00)=.75(6+n)

n+3=.75n+4.5

.25n=1.5

n=6

you need 6 liters of pure pineapple juice for your mixture.

step-by-step explanation:

let's start by listing all the givens.

total distance is 420 miles.

slower train goes at 45 mph

faster train goes at 60 mph.

the formula for distance is d=rt.

the faster train's rate is 60 mph. we don't know how much distance that train will cover, therefore, we should give it a variable, such as d (any letter)the slower train's rate is 45 mph. obviously, it will cover much less distance than the faster train. so we can write it as (the variable here should match the one above.we don't know the time it will consume for both of the trains so we can give it a variable like .

let's look at the given for the faster train. d (distance, unknown), 60 (rate), and t (time, unknown). using the formula d=rt. we can substitute 60 to the rate to make it . sure you might not able to solve it at hindsight, but we could substitute it to the slower train's equation.

now, the equation for the slower train is ( is the distance, 45 is the rate, and t is the time.)

substute 60t to d: bring 60t to the other side by means of adding 60t to both sides: ==> divide 105 to both sides to isolate t:

so if t = 4, it means the trains must travel 4 hours (because of miles per hour) before they meet

Solution:
given:
the critical value is 1.96.the sample size (n=800) and sample proportion (p=595/800=0.74).

the formula is phat +-z alpha/2âˆš((phat (1-phat))/n,  so: 0.74 +-1.96*âˆš(0.74*0.26)/800=0.7096< p< 0.7704.

therefore,  the confidence interval is 0.7096< p< 0.7704.

step-by-step explanation:

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