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rjkz [21]
3 years ago
8

Help please please help ASAP * please don’t answer if you don’t know

Mathematics
1 answer:
Julli [10]3 years ago
3 0

Answer:

Your answer is x = 24 , y =8√3

Step-by-step explanation:

Sorry for late answer actually I was preparing for my exams. ❤

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Giving brainliest for CORRECT awnser.
Alona [7]

Answer:

i think i am not sure

i am soo sorry if i gave it wrong but i think its A

Step-by-step explanation:

4 0
3 years ago
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15:45 in simplest form
mylen [45]
15:45 in simplest form is 1:3

the LCM of 15 and 45 is 15, and when you divide both by 15, you get 1:3
7 0
3 years ago
Nick bought apples at a farmers market where 5 apples cost $4.45.
Gwar [14]

Answer:

$0.89/apple

Step-by-step explanation:

$4.45

-------------- = $0.89/apple

5 apples

7 0
3 years ago
A demographer wants to measure life expectancy in countries 1 and 2. Let μ1 and μ2 denote the mean life expectancy in countries
Art [367]

Answer:

For this case we want to test if life expectancy in country 1 is more than 10 years lower than in country 2, (alternatibe hypothesis), so then the system of hypothesis are:

Null hypothesis: \mu_1 \leq \mu_2 -10

Alternative hypothesis:\mu_1 > \mu_2 -10

Or equivalently:

Null hypothesis: \mu_1 - \mu_2 \leq 10

Alternative hypothesis:\mu_1 - \mu_2 >10

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

Solution to the problem

For this case we want to test if life expectancy in country 1 is more than 10 years lower than in country 2, (alternatibe hypothesis), so then the system of hypothesis are:

Null hypothesis: \mu_1 \leq \mu_2 -10

Alternative hypothesis:\mu_1 > \mu_2 -10

Or equivalently:

Null hypothesis: \mu_1 - \mu_2 \leq 10

Alternative hypothesis:\mu_1 - \mu_2 >10

7 0
3 years ago
Ms.Boyers is baking a cake for the holiday. She needs 3 cups of milk and 1 cup of corn syrup. How many ounces of milk and corn s
olya-2409 [2.1K]

Answer:

she will need 24 ounces of milk and 8 ounces of corn syrup

Step-by-step explanation:

let me know if im right good luck!

5 0
3 years ago
Read 2 more answers
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