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zloy xaker [14]
3 years ago
14

Suppose that h (x) varies directly with x and h(x)=44 when x = 2.

Mathematics
2 answers:
Julli [10]3 years ago
4 0
33.

Explanation:

Since 2×22=44, if you do 1.5×22, you get 33.
svet-max [94.6K]3 years ago
4 0

33

when x is 2 , that means h(2) is 44

so h(1) is 22

and h(1.5) would be 33 as its the middle of these numbers.

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what is the sum of a 7-term geometric series if the first term is negative 11 the last turn is -45056 and the common ratio is -4
patriot [66]
For a geometric sequence with common ratio r, we have

a_n=a_{n-1}r


that is, the n-th term in the sequence is the product of the previous term and the common ratio r. So

a_n=a_{n-1}r=a_{n-2}r^2=\cdots=a_1r^{n-1}

Then the sum of the first 7 terms is

S_7=\displaystyle\sum_{n=1}^7a_n=a_1+a_2+\cdots+a_7
\implies S_7=a_1+a_1r+\cdots+a_1r^6

Notice that

S_7r=a_1r+a_1r^2+\cdots+a_1r^7

so we can subtract this modified sum from S_7 to get

S_7-S_7r=S_7(1-r)=a_1-a_1r^7\implies S_7=a_1\dfrac{1-r^7}{1-r}

We're told that a_1=-11 and r=-4, so the sum of the first 7 terms is

S_7=(-11)\dfrac{1-(-4)^7}{1-(-4)}=144,188
3 0
3 years ago
Need help asap ..Can someone please help me solve this area?
Bond [772]
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3 years ago
Helpppp me pls! What is the lenght of AC?
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Step-by-step explanation:

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Consider the following statements:
Black_prince [1.1K]

Answer:

b. I and II are both false.

Step-by-step explanation:

I. For a significance level, the two tailed hypothesis is not always accurate than the one tailed hypothesis test. The hypothesis testing is carried to find out the correctness of a claim of a population parameter. The two tail hypothesis test which used both positive and negative tails of the distribution is not always more accurate than one tailed test.

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(x,y)

y=mx+b
m=slope
b=yintercept
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