Mathematics High School

The trapezoids are similar. In the figure below KLMN ~ WXZY. What is the value of b?

Answers

Answer 1

I think it’s 12 because B is to 60 while 9 is to 45, 45/9 is 5. 60/5 = 12

Related Questions

What is the mean absolute deviation of the data set?

{0, 0, 0, 5, 0}

Answers

1.6 yayayay ya Ahahah

The mean absolute deviation of the data set is 1.6

Data obtained from the question

0, 0, 0, 5, 0

Determination of the mean Data => 0, 0, 0, 5, 0Summation of data = 0 + 0 + 0 + 5 + 0 = 5Number of data = 5Mean =?

Mean = Summation of data / Number of data

Mean = 5 / 5

Mean = 1

Determination of the mean absolute deviation Mean = 1Absolute deviation = |1– 0| + |1 – 0| + |1 –0| + |1 – 5| + |1 – 0|Absolute deviation = 1 + 1 + 1 + 4 + 1 = 8Number of data = 5Mean absolute deviation =?

Mean absolute deviation = absolute deviation / number of data

Mean absolute deviation = 8/5

Mean absolute deviation = 1.6

Learn more about mean absolute deviation:

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A triangular pane of glass has a height of 42 inches and an area of 336 square inches. What is the length of
the base of the pane?
PLEASE HELP IM BEGGING

Answers

Answer:

its 16

Step-by-step explanation:

area for a triangle is 1/2 the base times the height.

IN order to find out the base you need to multiply the area by two and then divide by 42 to find the base. X will represent the base

336 *2 = 42x

672= 42x

672/42=x

16 = x

Answer: 16

Step-by-step explanation:

9 a square minus 6 x

Answers

Answer:

3(3a²-2x)

Step-by-step explanation:

that right answer

Louise completed the work shown below.

(5x3 + 3)2 = (5x3)2 + (3)2 = 25x6 + 9
Determine if Louise’s answer is correct. Explain.

Answers

No, Louise is incorrect because using the order of pemdas I know that (5x3+3)2 is 36. I also know that (5x3)2+(3)2 is 36 using the order of pemdas. However the 3rd problem is 25x6+9 and using pemdas I know that this would equal 234 which is not equal to 36 therefore Louise is incorrect.

Answer:

SAMPLE RESPONSE

Step-by-step explanation:

Louise’s answer is not correct. She is missing the term 30x3. When squaring a binomial, it is best to write the product of the binomial times itself. Then you can use the distributive property to multiply each term in the first binomial by each term in the second binomial. Louise also could have used the formula for a perfect square trinomial, which is found by squaring a binomial.

I WILL GIVE BRAINLIEST IF CORRECT

Answers

Answer:

Vertical compression

Step-by-step explanation:

g(x)=0.25f(x), if you substitute for f(x) you get B

What values did you get for x= -1, 0, 1, 2?

Answers

Confused by what you mean

Х
A cylinder has a height of 15 cm and a radius of 8 cm.
What is its volume, to the nearest cubic centimeter?
Be sure to include your calculations in your explanation.

Answers

First you need to find the area of the circle (the bottom of the cylinder):

8*8*3.14 = 200.96 cm^2

Then to find the volume of the cylinder, multiply the area of the circle by the height of the cylinder which in this case is 15 cm:

200.96*15= 3,014.4 cm^3

Which can just be rounded to 3,014 cm^3 (nearest whole number)

hey! can u number it 1. 2. 3. ect :) ty :)

Answers

Answer:

1. Supplementary

2. Complimentary

3. Supplementary

4. Complementary

5. Supplementary

6. Complimentary

7. Supplementary

8. Neither

9. Complimentary

Step-by-step explanation:

Remember that Supplementary angles result in two angles that sum up to 180 degrees, while Complimentary angles sum up to 90 degrees. The angles that did not sum up to 90 or 180 were neither Supplementary nor complimentary.

I hope I helped :)

Would appreciate Brainliest ;)

the base of an isosceles triangle is 12 cm and its perimeter is 48 cm find its area

Answers

I hope it helps you ❤️❤️❤️❤️❤️❤️

3y+15x=-15

I need the answer ASP!!!

Answers

Answer:

written in y=mx+b form: y=−5x−5

Written in standard form: 3y+15x=−15

Written in slope intercept form: y=−5x−5

Which description best fits the graph?

A. always increasing
B. increasing, then decreasing
C. always decreasing
D. decreasing, then increasing

Answers

Your answer should be D

Answer:

always increasing

Step-by-step explanation:

When you look at the graph from left to right on the x-axis the y-axis is always increasing in value.

The temperature of a city is recorded at midnight on the last days of four consecutive months
as -11°C, 5°C, - 8 °C and 15°C. Find the difference between the maximum and the
minimum temperature.

Answers

Answer:

26 degrees Celcius

Step-by-step explanation:

The minimum temperature is -11

The maximum temperature is 15

to get from -11 to 0: add 11

to get from 0 to 15: add 15

11+15 = 26

What’s the answer to this ???

Answers

Answer:

-5, 3

Step-by-step explanation:

3) 10+3n=20+5n Set up the problem

-3n -3n Subtract 3n from both sides to get n on one side of the equation.

10 =20-2n

-20 -20 Subtract 20 from both sides to isolate n

-10 =2n

/2 /2 Divide both sides by 2 to isolate n

-5 = n

4) 18=2(b+6) Write down problem

18=2b+12 Distribute

-12 -12 Subtract 12 from both sides to isolate b

6=2b

/2/2 Divide both sides by 2 to isolate b

3=b

Answer:

3) 3x+10 = 5x+20

=> 3x-5x= 20-10

=> -2x= 10

=> x = 10/-2

=> x= -5

4) 2(b+6) = 18

=> 2b +12 = 18

=> 2b = 18-12

=> b= 6/2

=> b = 3

Factor the expression completely.
18x2 - 8
A. 2(3x - 2)(3x - 2)
B. 2(3x + 4)(3x - 1)
C. 2(9x2 - 4)
D. 2(3x + 2)(3x - 2)

Answers

Step-by-step explanation:

18x²-8

= 2(9x²-4)

= 2(3x+2)(3x-2)

18x² - 8

Common factor is 2.

=》18x² - 8

=》2 (9x²- 4) [option C].

_____

RainbowSalt2222 ☔

In ΔEFG, the measure of ∠G=90°, EF = 38 feet, and GE = 21 feet. Find the measure of ∠E to the nearest degree.

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

There are 24 people at a party and each person eats 1/8 of a cake. There was not any cake leftover. How many cakes were at the party?

Answers

Answer: 3 cakes were at the party

Step-by-step explanation:

Multiply 1/8*24 to find the exact number of cakes that were at the party

Hope this helps :)

Answer:

There is 3 cakes

Step-by-step explanation:

i know that because if you take it fits into 24 3 times

please mark as brainllest

Find the volume of the prism.

Answers

Answer:

4.375cm

Step-by-step explanation:

You have to look at what volume equals Volume= l×w×h so 3/2 × 5/4 × 7/3

what is seven times 5

Answers

Answer:

35 cuh

_____________________________________________

Can i get the correct answer to this please escape rooms are hard
Whoever answers this first gets a brainliest.
I need the answer ASAP and how you solved it.

Answers

Step-by-step explanation:

Volume of Sphere

= 4/3πr³

= (4/3)(3.14)(60/2)³

= 113,040ft³.

The diameter of the sphere is 60 ft

Solution:-

Volume of sphere = 4/3πr³

= (4/3)(3.14)(60/2)³

= 113,040ft³

Answer:-

The volume of the given sphere is 113,040ft³

MEASUREMENT A 10-foot-long ladder leans against a wall so that the ladder and the
wall form a 30° angle. What is the distance from the ground to the point where the
ladder touches the wall? Round the answer to the nearest tenth of a foot.

Answers

Well visualize a 10 foot ladder leaning on a wall and how the space from the distance of the wall are gonna form an angle in this question it tells you it forms a 30 degree angle so your gonna go up 10 feet and out how much the angle is on a slant and multiply the two numbers?

the space between is what your determining.

/ l < that is the wall

/ l

^that is the ladder

A farmer's field has the dimension shown. He needs to find the area of the field so that he knows how mch seed to buy 1 1/3 and 2 3/4 pls help!!!

Answers

Answer:

area = 3 2/3 units^2

Step-by-step explanation:

1 1/3 x 2 3/4 = 4/3 x 11/4 = 44/12 = 3 2/3 units^2

The Answer for this problem would be 3 2/3

solve for x!!!!!!!!!

Answers

Answer:

39+32+x=90

71+x=90

x=90-71

x=31

Use Pythagorean theorem to find the missing length. (round to tenth if necessary) IS
11.7
8
7
64

Answers

11.7

Formula: a^2 + b^2 = c^2

so substitute the numbers like this:

10^2 + 6^2 = c^2

both 10^2 and 6^2 are perfect squares:

10 × 10= 100 and 6 × 6= 36

100 + 36= c^2

add:

100 + 36 =

136 = c^2

now in order to get rid of the squared, you put it into a radical:

√136 = √c^2

note: whatever you do on one side, you do to the other

it's easier to use the calculator for this so put √136 and you're gonna get 11.66

since it's asking you to round it to the nearest tenth:

11.66 = 11.7

sorry if the explanation is kinda long ✋ i tried explaining it better in the end but i failed

Divide
(16x²+24xy+9y²)÷(4x+3y)

Answers

Answer:

if u dont know get lost it is none of our business to answer

4) 3g-10=50
Help asappp

Answers

Answer:

g=20

Step-by-step explanation:

3g−10+10=50+10

3g=60

3g / 3 = 60/3

g=20

Answer is g=20 step by step explanation:

What is the value of x to the nearest tenth?
A 25.7
B. 43.2
C. 88.8
D. 89.7

Answers

b is the answer i believe

Factor 10w10 – 19w9 +6w8 completely.
10w10 – 19w9 +6w8 =

Answers

Step-by-step explanation:

10w¹⁰ - 19w⁹ + 6w⁸

= w⁸(10w² - 19w + 6)

= w⁸(2w-3)(5w-2)

The value of the equation after factorization is A = w⁸ ( ( 5w - 2 ) ( 2w - 3 ) )

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

A = 10w¹⁰ - 19w⁹ + 6w⁸ be equation (1)

Now , on factorizing the equation , we get

Taking the common factor as w⁸ , we get

A = w⁸ ( 10w² - 19w + 6 )

On further simplification , we get

A = w⁸ ( 10w² - 15w - 4w + 6 )

Now , on factorizing the equation , we get

A = w⁸ ( 5w ( 2w - 3 ) - 2 ( 2w - 3 ) )

And , the equation will be

A = w⁸ ( ( 5w - 2 ) ( 2w - 3 ) )

Therefore , the value of A is w⁸ ( ( 5w - 2 ) ( 2w - 3 ) )

Hence , the equation is A = w⁸ ( ( 5w - 2 ) ( 2w - 3 ) )

To learn more about equations click :

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Which statement is true using Cavalieri’s principles ?

Answers

Answer:

One of the benefits of Cavalieri's principle is that it allows us to determine the volume of an oblique prism (or oblique cylinder). When dealing with two prisms (or two cylinders), if the base areas are equal and the heights are equal, then the volume is V = Bh regardless of the overall shape.

( i cant see the answers well so estimate to the one that applies)

Write the slope-intercept form of the equation given the slope and one point on the line.
(-5,1); slope = -1
I don't understand this please help and show me how you got your answer so I can understand and do the rest on my own. Thank you

Answers

Answer:

Y= -x-4

(-1,-3)

Step-by-step explanation:

Simply plot the point (-5,1) and draw in a line with a slope of -1. Take the slope of this line and the point it crosses the y-axis and use them to set up slope intercept form.

Classify the number 1/2 into as many categories as it belongs: Natural number, whole number, integer, or rational number.

Answers

Answer:

1/2 is a rational number.

Step-by-step explanation:

A rational number can be expressed as a ratio of two numbers. 1/2 is a ratio.

It is also a real number, however you do not list that as a category, so from what you listed, it is only a rational number.

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