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dimulka [17.4K]
3 years ago
11

Find an ordered pair , x y that is a solution to the equation. 3x-y=1

Mathematics
1 answer:
NemiM [27]3 years ago
3 0

Answer:

2,5

Step-by-step explanation:

2,5 is just one of the many solutions to this problem. you can just take a random number for x, for example 2. your equation will look like this 3(2)-y=1. now you just solve for y. 3x2=6. 6-1=5. so y=5.

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Allison has a 1/2 cup of yogurt for making fruit parfait recipe 1/8 Cup of yogurt. How many parfait can she make
Tems11 [23]

Answer:

4 parfaits

Step-by-step explanation:

Given that,

Allison has a 1/2 cup of yogurt for making fruit parfait recipe 1/8 Cup of yogurt.

We need to find how many parfait can she make.

Let she can make x parfait.

x=\dfrac{\dfrac{1}{2}}{\dfrac{1}{8}}\\\\=\dfrac{1}{2}\times \dfrac{8}{1}\\\\=4

Hence, she can make 4 parfaits.

3 0
3 years ago
Construct the 99% confidence interval estimate of the population proportion p if the sample size is n=900 and the number of succ
oee [108]

Answer:

An 99% confidence interval  of the given proportion

(0.355 , 0.385)

Step-by-step explanation:

Given sample size n= 900

the number of successes in the sample is x=333

The proportion P = \frac{x}{n} = \frac{333}{900} = 0.37

            Q = 1-P =1 - 0.37 = 0.63

<u>Confidence interval</u>:-

99% of confidence interval zα = 2.93

(P - z_{\alpha } \sqrt{\frac{PQ}{n} }  , P + z_{\alpha } \sqrt{\frac{PQ}{n} })

(0.37 - 2.93 \sqrt{\frac{0.37(0.63}{900} }  ,0.37 +2.93 \sqrt{\frac{0.37(0.63}{900} } })

(0.37 - 0.015 , 0.37 + 0.015)

(0.355 , 0.385)

<u>Conclusion</u>:-

<u>An 99% Confidence interval (0.355 , 0.385)</u>

7 0
3 years ago
Janna jumped 156 inches in the long jum competition how many feet did Janna jump
yawa3891 [41]
1 foot=12 inches
Divide 12 from 156.
156÷12=13

Janna jumped 13 feet in the long jump competition, which is actually really good!
5 0
3 years ago
For f(x) = square root of x, estimate f(17) to the nearest integer.
Tomtit [17]

f(x) = sqrt(x)

f(17) = sqrt(17)

it is close to sqrt(16)=4

so to the nearest integer

f(17) = 4

4 0
3 years ago
A taxi service charges $1.50 plus $0.60 per mile for a trip to the airport. The total charge is $13.50.
Readme [11.4K]

Answer:

13.50=1.50+.6x

Step-by-step explanation:

13.50=1.50+ .6x

12=.6x

20=x

4 0
3 years ago
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