3 years ago

Please, it’s due tonight and I suck at proofs:((

Mathematics

2 answers:

Slav-nsk [51]3 years ago

5 0

Answer:

The question ?

Step-by-step explanation:

masya89 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

Wha-

There no picture

lol

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

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It is very unlikely that the children will be able to digest lactose.

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Explain how bias in the survey might have affected the results.

vladimir1956 [14]

B. because "boring" implies that all classical music is boring.

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3 years ago

║║║║The length of a rectangle is 5 inches more than its width, x. The area of a rectangle can be represented by the equation x 2

lbvjy [14]

So given l = x+5 and w = x

area represented by equation x^2 +5x = 300

x^2 +5x -300 =0

(x+20)(x-15)=0

x+20 =0
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x-15=0
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so from these result the width of rectangle equal 15 inches and the length of rectangle equal 20 inches

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3 years ago

What does x and y equal

pochemuha

Answer:

BELOW

Step-by-step explanation:

Y=23

X=6.5

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