The measure of W is 134°, the measure of Y is 46°, and the measure of Z is 134°.What is the measure of X?
a 40°
b 46°
c 134°
d 90°

Answers

Answer 1

Answer: The angles in any quadrilateral must add up to 360 degrees.
A trapezoid is a quadrilateral, because it has four sides.

$W+X+Y+Z=360 \n \n (134)+X+(46)+(134)=360 \n \n 314+X=360 \n \n X=46$

Angle X is (b) 46 degrees.

Answer 2

Answer: B. 46 because the measure of all of the angles in a quadrilateral is 360. If you add 134+46+134 it equals 314, and 360-314 is 46.

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Find the function rule for g(x). The function f(x) = x2 . The graph of g(x) is f(x) translated to the right 8 units and down 7 units. What is the function rule for g(x)? A. g(x) = (x + 7)2 + 8 B. g(x) = (x + 8)2 + 7C. g(x) = (x - 7)2 - 8D. g(x) = (x - 8)2 - 7

Simplify the expressions. Show your work.
(x+6^2)

Answers

(x+6*6)
x+36

Or
$(x+6)^(2)$
= $x^(2) +12x+36$

Need help with middle two questions... I’ll give points

Answers

Answer:

ok sorry i could not put this into a formula im have to go but i will show you a really easy way.

Step-by-step explanation:

for number 1 i got (7,-1)

This is because there is a slope of 1/1 between these two points. so i plotted the two points on the graph. The distance between the two points is 4. so i followed the slope 4 times and thats what i got.

The correct way for doing number 1 is using the distance formula i believe but im running out of time

for the second one i got (3, -1/2)

we do this by using the midpoint formula.

The first picture is for number one and the second for number 2

if you have any questions feel free to ask in the comments

If the standard deviation for a data set is equal to 9, then the variance for that data set is equal to___

Answers

81 because standard deviation is equal to the square root of the variance.

Final answer:

In a data set, if the standard deviation is given as 9, the variance would be the square of that which equals to 81.

Explanation:

The standard deviation and variance are closely related in statistics. Standard deviation is the square root of the variance. Therefore, if the standard deviation for a data set is given as 9, then the variance would be the square of that value.

To calculate this, you would do the following:

Take the standard deviation which is 9.
Square the standard deviation: 9*9 = 81.

So, if the standard deviation for a data set is 9, then the variance for that data set is equal to 81.

Learn more about Standard Deviation and Variance here:

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A carpenter purchased 50 ft of redwood and 90 ft of pine for a total cost of $274. A second purchase at the same prices include 80 ft of redwood and 50 ft of pine for a total cost of 335. Find the cost per foot of redwood and of pine

Answers

Answer:

Redwood: $3.50 per foot

Pine: $1.10 per foot

Step-by-step explanation:

The manner that should be approach is by using the substitution method.

Therefore using the information from the question:

50 ft of redwood and 90 ft of pine give a total cost of $274

So we use this information and make a equation using x and y, in this case redwood would be x and pine would be y.

$50x + 90y=274$

We do this for the second purchase also...

$80x+50y=335$

Now, we have two equations that are perfect for the usage of the substitution method.

$50x + 90y=274$

$80x+50y=335$

Using one equation, in this case the top one, we must solve for either x or y (in this case we solved for y)

$90y=274-50x$

$(90y)/(90) =(274)/(90) -(50x)/(90)$

$y=(274)/(90) -(50x)/(90)$

Using this equation from above we insert this into the other equation that deals with the second purchase and solve for x now.

$80x+50((274)/(90) -(50x)/(90))=335$

$80x+152.2-27.8x=335$

$80x-27.8x=182.8$

$(52.2x)/(52.2) =(182.8)/(52.2)$

$x=3.50$

This is the cost of redwood so now we use this answer and plug it in either equation in order to get the cost of pine (y).

$50(3.5)+90y=274$

$175+90y=274$

$(90y)/(90)=(99)/(90)$

$y=1.1$

So therefore you get the two costs by using the substitution method!

~~~~Best!!!

In a bag of marbles, you have 4 green, 3 yellow, 5 blue, and 8 red marbles. What is the probability of picking a green marble from the bag?a) 3/20
b) 1/5
c) 1/10
d) 1/4

Answers

4 + 3 + 5 + 8 = 20

4 / 20 = 1/5

A) 3/20
add up all of the marbles and whatever is asking you for possibilities is the number of marbles is given you already. for example. i have a ticket for a raffle. so i got only 1 and there is 25 people more with a ticket. what are my chances of winning? 1 out of 25 right?(1/25) because i got 1 ticket if i had 2 it would be 2 out of 25 or (2/25) hope this helps. :)

the sides of a triangle have lengths of x, x+5, and 25. if the longest side is 25, which of the following values of x would make the right triangle?

Answers

$x^2+5x-300=0 \n \n \Delta =b^2-4ac =5^2 -4*1* (- 300)= 25+1200=1225 \n \nx_(1)=(-b- √(\Delta ) )/(2a)=(-5- √(1225))/(2 )=(-5-35)/(2)=-(-40)/(2)=-20 \n\n \ side \ not \ can \ also \ be \ negative$

$x_(2)=(-b+ √(\Delta ) )/(2a)=(-5+ √(1225))/(2 )=(-5+35)/(2)=-(30)/(2)=15\n \nAnsewr : \ x= 15$

The measure of W is 134°, the measure of Y is 46°, and the measure of Z is 134°.What is the measure of X?a 40°b 46°c 134°d 90°

Answers

Related Questions

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Final answer:

Explanation:

Learn more about Standard Deviation and Variance here:

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The measure of W is 134°, the measure of Y is 46°, and the measure of Z is 134°.What is the measure of X?
a 40°
b 46°
c 134°
d 90°