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3 years ago

If line XZ is 2ft, line YZ=18in. what is the length of line XY

Mathematics

1 answer:

Lunna [17]3 years ago

3 0

Answer:

XY = 6 in

Step-by-step explanation:

XZ = 2ft = 24 in.

XY + YZ = 24 in.

XY + 18 in. = 24 in.

XY = 24 - 18 = 6 in

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zheka24 [161]

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3 years ago

3 adult tickets and 1 child ticket to a play cost $38. 3 adult and 3 children tickets cost $52. what does each ticket cost?

babymother [125]

A= adult
C= child

3A+C = 38.3
A+3C = 52

There is no logical way to find the value of each other than guess-and-check.

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3 years ago

Help please. I'll give the Brainliest.

sdas [7]

Answer:

Options 1,2,3 are correct statements

The first values in an ordered pair ( the coordinates) are the domain : ( -3,-2,-1,0,1)

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One input should have only one output for a function.

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Hope it helps :)

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3 years ago

Read 2 more answers

What is the equation, in slope intercept form, for a line parallel to y=-x+11 through point (3,5)?

krek1111 [17]

Answer:

A) y=-x+8

Step-by-step explanation:

Parallel lines have the same slope. So, next you need to find the y-intercept (b) of the line. (see attached work)

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3 years ago

A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. Find a

vekshin1

Answer: $(13.28\%,\ 18.72\%)$

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion : $\hat{p}=\dfrac{x}{n}=\dfrac{112}{700}=0.16$

z-value for 95% confidence interval : $z_c=1.960$

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

$\hat{p}\pm z_c\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$=0.16\pm (1.96)\sqrt{\dfrac{0.16(1-0.16)}{700}}$

$=0.16\pm (1.96)(0.013856)\\\\\approx 0.16\pm0.0272\\\\ =(0.16-0.0272,\ 0.16+0.0272)=(0.1328,\ 0.1872)=(13.28\%,\ 18.72\%)$

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard : $(13.28\%,\ 18.72\%)$

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3 years ago