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2 years ago

Give the coordinates of the point located halfway between (2,1) and (2,4).

Mathematics

1 answer:

nordsb [41]2 years ago

8 0

((X1+x2)/2,(y1+y2)/2) ---> ((2+2)/2,(1+4)/2) ---> (2,2.5)

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the poll showed the incumbent mayor had the support of 12% of the voters plus or minus 3 percent points. Write an inequality in

Shtirlitz [24]

Answer: first you turn the percentage into a decimal 12%=0.12

Step-by-step explanation

then u solve

0.12 multiply by 3 =36 and thats it for multiply i will show you divison but my hand is tried of typing lol .but i hope thats what you were lookin for byeeee enjoy!!!!!!!......yaddd..lol

4 0

2 years ago

A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal

juin [17]

Answer: $H_0:p\leq0.72$

$H_a:p\neq0.72$

Step-by-step explanation:

Given : A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 72% .

Let 'p' be the new proportion of high school seniors who felt that "getting rich" was an important personal goal .

Claim : $p\neq0.72$

We know that the null hypothesis has equal sign.

Therefore , the null hypothesis for the given situation will be opposite to the given claim will be :-

$H_0:p=0.72$

And the alternative hypothesis must be :-

$H_a:p\neq0.72$

Hence, the null hypothesis and the alternative hypothesis that we would use for this test :

$H_0:p\leq0.72$

$H_a:p\neq0.72$

5 0

3 years ago

A student has a class with four tests, each worth 100 points, and has earned these

Wewaii [24]

Answer:

average = 52, 100 on fourth test

Step-by-step explanation:

average = 75 + 74 + 71 = 156 / 3 = 52

average = 52

b grade = 75 + 74 + 71 + 100 = 320 / 4 = 80

to get a b grade she must get 100 on her fourth test

4 0

2 years ago

A ratio dogs to cats at an animal shelter is 2 : 5. The number of cats is how many times the number of dogs?

Ratling [72]

Since there are 5 cats and 2 dogs, divide cats by dogs for the number.

5/2= 2.5

There are 2.5 times more cats than dogs.

I hope this helps!
~kaikers

3 0

2 years ago

If f(x) = 2x +4, which of the following is the inverse of f(x)?

netineya [11]

The inverse for f(x)=2x+4 is f-1(x)= x/2 -2

3 0

2 years ago