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arlik [135]
3 years ago
13

Haley jarred 21 liters of jam after 7 days. How many days does Haley need to spend making jam if she wants to jar 27 liters of j

am in all? Solve using unit rates.​
Mathematics
2 answers:
Kay [80]3 years ago
8 0

Answer: i'm going to say 10

Step-by-step explanation:also don't come at me if i'm wrong because i'm not exactly sure that i'm right

VLD [36.1K]3 years ago
4 0

Answer: im pretty sure its 9

Step-by-step explanation:

/vfbtjuuuuuuuuws

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A philanthropic organization helped a town in Africa dig several wells to gain access to clean water. Before the wells were in p
Romashka [77]

Answer: -1.5

Step-by-step explanation:

When population standard deviation is known, then the formula to find the z-test statistic for population mean is given by :-

z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

, where n= Sample size.

\mu = Population mean

\overline{x} = Sample mean

\sigma= Population standard deviation.

As per  given , we have \mu=120 (average infants contracted typhoid each month)

\sigma=40

n= 4 (No. of months)

\overline{x}=90

Then , the value of the appropriate test statistic will be :

z=\dfrac{90-120}{\dfrac{40}{\sqrt{4}}}

z=\dfrac{-30}{\dfrac{40}{2}}

z=\dfrac{-30}{20}

z=-1.5

Hence, the value of the test statistic = -1.5

8 0
3 years ago
Will earned 750 per week if he earns 20 per hour how many hours did he work?
klio [65]

Answer:

37.5 hours...

                                                   

3 0
3 years ago
Read 2 more answers
3ewhgaxjbhnkm4rewbs nkm11 what's 1+ 10 ?
saul85 [17]

Answer:

its 11

Step-by-step explanation:

1+ 10= 11 just add 1 hope it helps.

6 0
3 years ago
Read 2 more answers
Clare travels at a constant speed, as shown on the double number line
Usimov [2.4K]

Answer:

1. 36 miles

2. 108 miles

3. 234 miles

Step-by-step explanation:

Here we have the Distance in miles, time and calculated speed as follows;

Distance (miles)                  Elapsed time (hours)              Speed (miles/hour)

       0                                        0                                          0

       72                                      2                                          36

       144                                     4                                          36

       216                                     6                                          36

Distance = Speed (miles/hour) × Elapsed Time (hour)

Therefore, in

1. 1 hour, she travels

1 × 36  = 36 miles

2. 3 hours she travels

3 hours × 36 miles/hour = 108 miles

3. 6.5 hours she travels

6.5 hours × 36 miles/hour = 234 miles.

5 0
3 years ago
What is the domain of the graphed function?
frosja888 [35]

Yo sup??

Let the function be

y=f(x)

Domain refers to the permissible values of x

since its given that 1<x<5

therefore domain of the given function is x∈(1,5)

Hope this helps.

3 0
3 years ago
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