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snow_tiger [21]
3 years ago
7

[ Will give brainliest! ]

Mathematics
1 answer:
algol133 years ago
3 0
The answer is C
If the two chords intersect each other, that means that they must both be diameters. That means that JL + NL has to be equal to KL + ML. Because they are both diameters, they both have to be equal to each other. The only choice that satisfies this condition is C where both of the diameters are 16 in long.

Hope this helps :)
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Help as soon as possible please if the answer is correct I’ll give brainliest
Juliette [100K]

Answer:

The slope is 4, while the y intercept is 2

...starting with 2 cards and adding 4 cards each week

Step-by-step explanation:

The slope is always the coefficient (the number in front) of x.

The y intercept is the number on its own.

Hope this helps!

4 0
3 years ago
Manco went scuba diving. As he dove deeper, the water pressure around him increased at a constant rate.
vovikov84 [41]

Answer:

0.1 atmospheres per meter

Step-by-step explanation:

Depth (meters) = x

Pressure (atmospheres) = y

Using two pairs of values from the table, (13, 2.3) and (17, 2.7),

Rate of change of the water pressure = \frac{y_2 - y_1}{x_2 - x_1} = \frac{2.7 - 2.3}{17 - 13} = \frac{0.4}{4} = 0.1

Rate of change of the water pressure = 0.1 atmospheres per meter

4 0
3 years ago
Read 2 more answers
Calculate the sample standard deviation and sample variance for the following frequency distribution of heart rates for a sample
adelina 88 [10]

Answer:

\sigma = 12.5 ---- sample standard deviation

\sigma^2 = 157.2 ---- sample variance

Step-by-step explanation:

Solving (a): The sample variance

First, we calculate the midpoint of each class (this is the average of the limits)

So, we have:

x_1 = \frac{56 + 64}{2} = 60

x_2 = \frac{65 + 73}{2} = 69

And so on

So, the table becomes:

\begin{array}{cc}{x} & {f} & {60} & {11} & {69} & {15} & {78} & {14} & {87} & {4} & {96} & 11 \ \end{array}

Calculate the mean

\bar x = \frac{\sum fx}{\sum f}

\bar x = \frac{60*11+69*15+78*14+87*4+96*11}{11+15+14+4+11}

\bar x = \frac{4191}{55}

\bar x = 76.2

The variance is:

\sigma^2 = \frac{\sum f(x - \bar x)^2}{\sum f - 1}

So, we have:

\sigma^2 = \frac{(60 - 76.2)^2*11+(69 - 76.2)^2*15+(78 - 76.2)^2 *14+(87 - 76.2)^2*4+(96 - 76.2)^2*11}{11+15+14+4+11-1}

\sigma^2 = \frac{8488.8}{54}

\sigma^2 = 157.2

The sample standard deviation is:

\sigma = \sqrt{\sigma^2

\sigma = \sqrt{157.2

\sigma = 12.5

Solving (b): The sample variance

In (a), we calculate the sample variance to be:

\sigma^2 = 157.2

6 0
3 years ago
What is 4/8 times 2/4
aleksandrvk [35]
Answer is attached in photo.

4 0
3 years ago
Read 2 more answers
An angel measures 26°. What is the measure of its complement
Liula [17]
The comlement of an angle is what you add to it to get 90 degrees

x+y=90
x is the complelemt of y and y is the complement of x

so

26+complement=90
minus 26 both sides
complement=64

the complementn is 64°
8 0
4 years ago
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