Mathematics College

The diagonals of square ABCD intersect at point E. If BE = 2x + 1, and AC = 3(6x - 4), find BD.
1
3
6
9

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

It is 6

Step-by-step explanation:

I did the problem already

Related Questions

please help MATHEMATICS

Answers

Answer:

area is 26.75 units^2

Step-by-step explanation:

Top Triangle area is (3.5*9)/2=15.75

Square area is 2*2=4

Left bottom triangle is (2*2)/2=2

bottom right triangle is (2*5)/2=5

15.75+4+2+5=26.75

Mr. Jackson and Ms. Collins 3rd grade classes are going on a field trip to the science museum. There are 20 children in one classroom and 22 students in the other. The students will tour the museum in groups of 7 How many groups will there be 49 47 8 7 6​

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the answer is 6 because 42 divided by 7 = 6

I NEED THIS DONE FAST!!!​

Answers

Answer:

120 in³

Step-by-step explanation:

8 in • 3 in • 5 in

8 in • 15 in²

120 in³

Answer:

120 in.²

Step-by-step explanation:

8 × 3 × 5 = 120

120 in.²

You see a hiker sitting on a bench taking a water break at the top of a hill at a 40° angle of elevation. Your eye level is 5 feet off the ground and you are standing 100 feet from the base of the hillAt what altitude is the hiker sitting on the bench?

Answers

Answer:

89

Step-by-step explanation:

Draw a right triangle, put the angle of elevation as 40 degrees and the feet for the base of your triangle (standing 100 feet from the base of the hill) as 100ft. According to SOH CAH TOA, we will be using tan, where you will get:

tan(40)=x/100

x=100tan(40)=83.9

Add 5 feet, which was your eyes off the ground, and it will be 83.9+5=89

Final Answer: 89

The altitude of the hiker sitting on the bench of the hill is 89 feet.

What is trigonometry?

Trigonometry is mainly concerned with specific functions of angles and their application to calculations. Trigonometry deals with the study of the relationship between the sides of a triangle (right-angled triangle) and its angles.

For the given situation,

The angle of elevation = 40°

Distance from base of the hill = 100 feet

Distance from the ground to the eye level = 5 feet

The diagram below shows the right angled triangle.

Let the altitude from the eye sight to the bench be x.

Total altitude = x + 5

The altitude of the hiker can be found by using trigonometric ratio,

[tex]tan\theta= \frac{opposite}{adjacent}[/tex]

⇒ [tex]tan 40=\frac{x}{100}[/tex]

⇒ [tex]0.8390=\frac{x}{100}[/tex]

⇒ [tex]x=83.90[/tex]

Total height = [tex]x+5[/tex]

⇒ [tex]83.90+5[/tex]

⇒ [tex]88.90[/tex] ≈ [tex]89[/tex]

Hence we can conclude that the altitude of the hiker sitting on the bench of the hill is 89 feet.

Learn more about trigonometry here

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Is this a rectangular prism or a triangular prism

Answers

Answer:

I think it may be a rectangular prism

Step-by-step explanation:

it looks like one

hope it helped

6+(1/3×1/3)-3×7 how do you get it??? ​

Answers

Answer:

-134/9

Step-by-step explanation:

Hey!

Please only answer if you know the answer, the comment section is right below. Please don't waste my points!

Also, please show all of your work, you are trying to help me better understand the concept, not just give me the answer.

The image is down below. Show work! Thanks!

Answers

Answer:

B. 8/17

Step-by-step explanation:

cos = adjacent / hypotenuse

cos C = 16/34 = 8/17

Correct choice is B

Tell whether x and y show direct variation, inverse variation or - y/4 = 2x

Answers

9514 1404 393

Answer:

  direct variation

Step-by-step explanation:

The given equation can be written in the direct variation form ...

  y = kx

  y = -8x . . . . rewrite of the given equation (multiply by -4)

This is an example of direct variation.

write an algebratic expression for the are of the rectangle below. PLS HELP DUE IN 10 MIN​

Answers

Answer:

3(x*-4)

Step-by-step explanation:

Answer:

can I see the rest of the problem?

Step-by-step explanation:

Lin went hiking on five different weekends. The table shows the
elevation changes in feet for each of her five hikes. Fill in the
missing numbers
Initial Elevation
Elevation Change Final Elevation
hike
768
1
-96
672
hike
2
82
20
hike
62
3
- 100
hike
354
4
129
hike
-20
-40
-60
5
Explain what each of the numbers-20, -40, and -60 tells you about
hike 5. What does it mean for the numbers to be negative in this
situation?

Answers

Answer:

Hike 1 : 768, -96, 672

Hike 2: -62, 82, 20

Hike 3: 62, -100, -38

Hike 4: 354, -225, 129

Hike 5: -20, -40, -60

The -20 is at what surface level Lin began Hike 5 at. From there, they continued to go in this situation lower by - 40, and arrive at the surface region of -60.

Negative numbers in the present circumstance mean under 0. (Underneath surface region)

Sasha saved $28.34 in November and $39.57 in December. By the end of
January, she wants to have saved $100. How much money does she need
to save in the month of January? Make sure to include your work, number
sentences, and your answer with words.

Answers

Answer:

$32.09

Step-by-step explanation:

It's $32.09 because, 39.57-28.34=67.91. And 100-67.91= 32.09. Goodluck!

Find the surface area of the square pyramid. A) 80 in2 B) 105 in2 C) 160 in2 D) 210 in2

Answers

Answer:

The answer is C) 160 in2

Step-by-step explanation

Easy!

5x5=25

8x5=40x4=160

The surface area of the square pyramid is, A. 80 in².

What is a pyramid?

A three-dimensional figure is a pyramid. Its base is a flat polygon. The remaining faces are all triangles and are referred to as lateral faces.

The number of sides on its base is equal to the number of lateral faces. The line segments that two faces intersect to form its edges. The intersection of three or more edges forms a vertex.

The given figure is a pyramid having a square base.

The pyramid also has four triangular faces, each having a base of 5 in and a height of 8 in.

Therefore, the surface area of the pyramid is,

= 4[(1/2)×5×8] square inches.

= 80 in².

learn more about pyramids here :

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Translate the name into a decimal number.
negative fifty-five and five ten–thousandths

Answers

Answer:

-55 5/10000

Step-by-step explanation:

We can break each word down. Negative would be the negative sign (-), fifty-five would be 55, and five ten-thousandths would be 5/10000. If we put them together, we would get -55 5/10000, which is the answer.

A system consists of two components A and B that operate independently. The system
fails when either component fails. The probability that component A fails is 0.2, and
the probability that component B fails is 0.1. What is the probability that the system
fails?

Answers

Answer:

0.3

Step-by-step explanation:

When one component fails, so does the other one.

a + b = P

0.1 + 0.2 = 0.3

Your answer would be 0.3 or 30%.

Hope this helps. Have a nice day.

No links please and thanks

Answers

Answer:

3,4 is the correct answer for this question

Answer it. -10 x -2 =

Answers

The answer to -10 x -2 is 20

Answer: 20

Step-by-step explanation: it is 20 because 2 negative numbers multiplied by each other will always be positive

ILL GIVE YOU BRAINLIEST PLEASE ANSWER

Answers

Answer:

376.9 ft²

Step-by-step explanation:

There you go the right answer

72 is what percent of 180

Answers

Answer:

.40 or 40 percent

Step-by-step explanation:



pls helpppp with explanation pss​

Answers

Step-by-step explanation:

27 cubes are needed because you could need a 3×3 ×3 cube

Help please I will mark brainliest

Answers

40° snnsdndnxnnxndndndnndndndndndjdjjd

if I had 24 apples and 2 friends over with me, and they want to split them all what do I do?

Answers

Answer:

24/3 =8 with each friend

Step-by-step explanation:

Answer:

you give each one 12 and than eat them

Step-by-step explanation:

Can someone help me on this one

Answers

Answer:

same as last because it is a circle

Step-by-step explanation:

Answer: diameter = 16 area = 201.06

Step-by-step explanation:

find the diameter and of each circle. A) circumference = 118mm B) circumference = 1m

Answers

Okay so the formula for circumference is

C=(pi)(D)
or
C=(pi)(2)(r)

But since they gave us the diameter we are gonna have to use the first formula.

Now I don’t know if they want u to use 3.14 for pi or the actual number, so i’m gonna assume we are using the actual formula.

So the formula to be able to find the diameter of circle A is going to be:
118/pi.
So put that into your calculator and you get 37.5605mm or 37.56mm.
It depends on what place your instructor wants you to round to.

The formula for circle B is going to be:
1/pi.
So let us put that into our calculator and you get 0.318309mm etc. Or just 0.3183.

I believe that I am correct but if i’m not please correct me.

write an expression that is equivalent to -0.5(14a-22)

-0.5(14a-22) = _?_a+_?_

Answers

Answer: -7a+11
Explanation: distribute -0.5 to each term in the parentheses

the perimeter of the gym floor is eighty-eight and six-hundredths meters long. What is this in standard form

Answers

Answer:

hope this helps

Step-by-step explanation:

the of two numbers from a set of ten numbers is 4.5 . if one of the numbers is 6, find the number​

Answers

answer is 4.
Explanation:
Mean is found by taking the sum of the values and dividing by the count.
When looking at all 6 numbers, the mean is:
4.5
=
sum of 6 values
6
⇒
sum of 6 values
=
27
When looking at the 2 values with a mean of 5.5:
5.5
=
sum of 2 values
2
⇒
sum of 2 values
=
11
Which means the mean of the 4 values is:
mean
=
27
−
11
4
=
16
4
=
4

What is the range of the shoe sizes?

Answers

Answer:

The answer will be 9 and the frequency will be 18

help me please thanks​

Answers

Answer:

325m = c

Step-by-step explanation:

Each meeting room has 325 chairs.

Since we don't know how many meeting rooms there are, the number is replaced with the variable, m.

An equation is a problem with an equals sign so you need to put what it would equal.

Since you don't know how many meeting rooms there are you use the variable, c which represents the total number of chairs.

Please HELP I’m being timed!!!

Answers

Answer:

C is the answer I think...

A rectangular piece of land is 1/4 mile long and a 1/2 mile wide. What is the area of this piece of land in square miles?

Answers

I’m pretty sure the correct answer is 1/4
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