Find the value of x.
AS
7
х
D
3
B
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Find The Value Of X.AS7D3B'cX=V[?]Enter

Answers

Answer 1

9514 1404 393

Answer:

  x = √70

Step-by-step explanation:

The triangles shown are all similar, so corresponding sides are proportional.

  hypotenuse/long side = x/7 = (7+3)/x

Cross-multiplying gives ...

  x^2 = 7(10)

  x = √70

_____

You will note that the value of x (the long side) is the geometric mean of the long segment and the whole hypotenuse.

A similar "geometric mean" relation holds for the short side:

  BC = √(CD·CA)

There is yet another "geometric mean" relation that holds for the altitude:

  BD = √(CD·AD)

You may see these again.


Related Questions

If the point (−1,3) is translated according to the rule (x,y)→(x+4,y−2), and then reflected across the x-axis, what are the coordinates of the final image?
A. (3,−1)
B. (3,1)
C. (−1,3)
D. (-3. -1)

btw the answer is A, because i took the assignment on gizmos this is just for people who need the answer :>

Answers

Answer:

hi

Step-by-step explanation:

rfshs hmm jtutq JK jehewyywgu

Answer:

<3

Explanation:

I guess me need it in future

if anyone knows the answer would you mind showing me

Answers

The answer is Bbbbbbbb

select all the relationships that demonstrate a positive association between variables. (3 answers!) Group of answer choices Number of people in a grocery check-out line and how long you have to wait to check out Length of time you have walked and distance you have traveled Pounds of cherries you buy and amount of money you spend on cherries Speed of a train and the amount of time it takes for the train to get to its destination Outside temperature and cost to heat a home

Answers

Answer:

The following demonstrate a positive association between the variables:

O.  Pounds of cherries you buy and amount of money you spend on cherries

O.  Number of people in a grocery check-out line and how long you have to wait to check out

O.    Speed of a train and the amount of time it takes for the train to get to its destination

Step-by-step explanation:

The point M is the midpoint of LN where M(-12, 6) and N (-2,-5).
What are the coordinates of point L?

Answers

Answer:

The coordinates of point L are:

(x₁, y₁) = (-22, 17)

Step-by-step explanation:

We know that the Midpoint Formula is given by:

[tex]\left(x,\:y\right)=\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)[/tex]

In our case:

M(-12, 6) is the midpoint. Thus,

(x, y)  = (-12, 6)

N(-2, -5) is the second point, Thus,

(x₂, y₂) = (-2,-5)

We have to determine the coordinates of point L.

Let (x₁, y₁)  be the coordinates of point L.

substituting (x, y)  = (-12, 6), (x₂, y₂) = (-2,-5) in the Midpoint Formula

[tex]\left(-12,\:6\right)=\left(\frac{-2+x_1}{2},\:\:\frac{-5+y_1}{2}\right)[/tex]

Determining the x₁ coordinate of the point L

[tex]\frac{-2+x_1}{2}=-12[/tex]

[tex]-2+x_1=-24[/tex]

Add 2 to both sides

[tex]-2+x_1+2=-24+2[/tex]

Simplify

[tex]x_1=-22[/tex]

Determining the y₁ coordinate of the point L

[tex]\frac{-5+y_1}{2}=6[/tex]

[tex]-5+y_1=12[/tex]

Add 5 to both sides

[tex]-5+y_1+5=12+5[/tex]

Simplify

[tex]y_1=17\:\:\:[/tex]

Therefore, the coordinates of point L are:

(x₁, y₁) = (-22, 17)

Answer:

the person up top is correct

The x-axis is the vertical axis.
True
False

Answers

Answer:

true truw

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

the x-axis is the horizontal axis

simplify x^2-9x+14/x^2+5x-14

Answers

x-7 over x+7 i think

Help me please .

I need to show full work to the teacher ?
How to solve it

Answers

You divide all the sides for example 5•7•8•

PLEASE HELP!! Marcus is 14 years younger than twice Kimi's age. Marcus is 8 years old. How old is Kimi?

Answers

Answer:

16 I think.

Step-by-step explanation:

if Marcus is 8 . Kimi is older. you do 8 times 2 . which is 16 .

A dance team decided to sell fruit snacks to raise money for an upcoming competition. The dancers charged $3.00 for each fruit snack they sold. In 4 days, they sold 24 packs of fruit snacks. How much money could the team earn for seven days at that same rate?

Answers

Answer:

126 dollars

Step-by-step explanation:

(i'm gonna be doing my work here, dont mind me LOL)

okay, so they sold 24 packs in 4 days. divide 24 by 4 and you get 6. multiply 6 by 3 and you get 18.

now, multiply 18 by seven and you get 126.

bam!! the dance team could earn 126$ in 7 days ^__^ hope you get an A!

Answer:

$126

Step-by-step explanation:

Let x = packs sold in 7 days

Set up a proportion.   days/days = packs/packs

4/7 = 24/x

4x = 24(7)  = 42 packs sold in 7 days

At $3/pack, the amount earned in 7 days =  3(42) = $126

When Trudy planted a large bush in her garden, it was 2 feet tall. Now it is 50% taller. How tall is the bush now?

Answers

Answer: 3 feet tall

Step-by-step explanation:

50% of something is also 1/2 of it. So if we multiply 2 by 1/2 or .5, we get 1. So then we take 1 and add it to 2 because it is 50% taller than what it used to be.

How do I describe end behavior in a polynomial function

Answers

Answer:

brainliest please

Step-by-step explanation:

The end behavior of a function f describes the behavior of the graph of the function at the "ends" of the x-axis. In other words, the end behavior of a function describes the trend of the graph if we look to the right end of the x-axis (as x approaches +∞ ) and to the left end of the x-axis (as x approaches −∞ ).

GIVING BRIANLIEST
Find the coefficient of the given term in the specified row of Pascal's triangle.

row7, term 3

Answers

Answer:

28

Step-by-step explanation:

7C2

The 3rd term of 7th row of the Pascals triangle is 21.

We have a Pascal's triangle.

We have to determine the 3rd term of 7th row of this triangle.

What is Pascal's triangle ?

A pascal's triangle is an arrangement of numbers in a triangular array such that the numbers at the end of each row are 1 and the remaining numbers are the sum of the nearest two numbers in the above row. The pascals triangle is shown below -

[tex]\begin{tabular}{rccccccccc}$n=0$:& & & & & 1\\\noalign{\smallskip\smallskip}$n=1$:& & & & 1 & & 1\\\noalign{\smallskip\smallskip}$n=2$:& & & 1 & & 2 & & 1\\\noalign{\smallskip\smallskip}$n=3$:& & 1 & & 3 & & 3 & & 1\\\noalign{\smallskip\smallskip}$n=4$:& 1 & & 4 & & 6 & & 4 & & 1\\\noalign{\smallskip\smallskip}\end{tabular}[/tex]

If we have to find the element or term at position - m in row number - n, than the element will be -

[n] C [m-1] = [n-1] C [m-2] + [n-1] C [m-1]

According to the question, we have to find the 3rd term of 7th row of this triangle. It can be found out using the formula -

[n] C [m-1] = [n-1] C [m-2] + [n-1] C [m-1]

We have - n = 7 and m = 3

[7] C [2] = [6] C [1] + [6] C [2]

[tex]$\frac{7!}{(7-2)!2!} = \frac{6!}{(6-1)!1!} + \frac{6!}{(6-2)!2!} = 6 + 15 = 21[/tex]

Hence, the 3rd term of 7th row of the Pascals triangle is 21.

To solve more questions on Pascals Triangle, visit the link below-

https://brainly.com/question/15655806

#SPJ2

The length of a rectangular frame is 15 inches, and the width of
the frame is 9 inches. What is the length of the diagonal of this
frame in inches?
Please help

Answers

Answer:

Step-by-step explanation:

How many solutions does the system have? { y = − 7 x + 8 y = − 7 x − 8 ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ y=−7x+8 y=−7x−8 ​

Answers

The system of equations y =−7x + 8  and y = −7x − 8 ​ have no solution

How many solutions does the system have?

From the question, we have the following parameters that can be used in our computation:

y =−7x + 8

y = −7x − 8 ​

Subtracting the two equations

We have

y - y = -7x + 7x + 8 + 8

When the like terms are evaluated, we have

0 = 16

The above equation is false

This means that the equation has no solution

Read more about equations at

https://brainly.com/question/13729904

#SPJ1

Evaluate: 2/3−1/7
A
11/3

B
1/4

C
11/21

D
17/21

Answers

Answer:

option C :11/21

Step-by-step explanation:

option C is the correct answer of this question.

plz mark my answer as brainlist plzzzz vote me also.

Hope this will be helpful to you.

Step-by-step explanation:

C is the correct answer, hope this helps and I luv ur profile pic

HELPP PLEASE !!!!!!

Answers

Answer:

-9

Step-by-step explanation:

The in the first expression, y is to the -9'th degree, which means n is -9.

(If there are numbers of similar term multiplied together, the exponents are to be added.)

Tom is applying for a visa. He has to pay £1,700 for the visa as well as a 11% charge on the visa price for an on-the-day service. If Tom has 1 year to save, how much money should he save per month to be able to cover his costs? Round your answer to the nearest £10.

Answers

Step-by-step explanation:

this is geometric sequence

G1=Go(1+r)^n

G1=1700(1+11%)^1

G1=1700(1+0.1)

G1=1700*0.1

G1=170 per year

G1=170*12 per month

G1=2040

find the volume of a cylinder with radius 3cm and height 7cm​

Answers

Answer:

197.92

Step-by-step explanation:

3.14*3*2*7=197.92

Answer:

197.92 cu cm  to the nearest hundredth

Step-by-step explanation:

Volume = area of the base time the height.

Your base is a circle, so A = [tex]\pi r^{2}[/tex] = [tex]\pi 3^{2}[/tex] = 9π

Vol = 9π(7) = 63π ≅ 197.92 cu cm  to the nearest hundredth

a quadrilateral with two sets of parallel sides

Answers

Answer:

square or rectangle

Step-by-step explanation:

I need help to find the range

Answers

the range is the y values
so [-5,4]

Answer:

algebraic terms = 4- -4 = 8

Step-by-step explanation:

-4 is our lowest value as 5 is not equal or counted

4 is our highest value and is counted.

A particular employee arrives at work sometime between 8:00 a.m. and 8:30 a.m. Based on past experience the company has determined that the employee is equally likely to arrive at any time between 8:00 a.m. and 8:30 a.m. Find the probability that the employee will arrive between 8:15 a.m. and 8:25 a.m. Round your answer to four decimal places, if necessary.

Answers

Answer:

0.3333 = 33.33% probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value between c and d is given by:

[tex]P(c \leq X \leq d) = \frac{d - c}{b - a}[/tex]

A particular employee arrives at work sometime between 8:00 a.m. and 8:30 a.m.

We can consider 8 am = 0, and 8:30 am  = 30, so [tex]a = 0, b = 30[/tex]

Find the probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

Between 15 and 25, so:

[tex]P(15 \leq X \leq 25) = \frac{25 - 15}{30 - 0} = 0.3333[/tex]

0.3333 = 33.33% probability that the employee will arrive between 8:15 a.m. and 8:25 a.m.

A $60 sweater is on sale for 25% off. What is the sale price of the sweater?​

Answers

Answer:

$45

Step-by-step explanation:

60/4=15 15x3(75%)=45

your sweater is $45 with the discount

Solve the system of linear equations by graphing.
y = x-7
y = -2x + 5

Answers

Answer:

4

Step-by-step explanation:

A total of 190 people attended the opening night of a school
musical. Student tickets cost $4.50 each while general
admission tickets cost $6 each. If total sales were $996, how
many general admission tickets were sold?

Answers

Answer:

94

Step-by-step explanation:

x=student tickets y=general admission

We can write the two following equations

x+y=190

4.5x+6y=996

I am going to solve this through substitution

We first need to get a variable by itself

x+y=190

x-190= -y

-x+190=y

We can plug this value in for y into the second equation

4.5x+6(-x+190)=996

4.5x-6x+1140=996

-1.5x= -144

x=96

Now that we know that x=96 we can plug this value into any of the two beginning equations and solve for y

96+y=190

y=94

Find Principal when Time = 5 years, Interest - $ 500; Rate = 5%

Answers

Answer:

P = $2,000

Step-by-step explanation:

Interest = Principal x Rate x Time

500 = P(.05)(5)

500 = .25P

P = 500/.25

P = 2000

2 × (8 + 16 ÷ 8) − 3

Answers

2*(8+16/8)-3

= 2*(8+2)-3

2*10-3

20-3

17

Simplify 16 divided by 8 to 2:
2 x (8 + 2) - 3

Simplify 8 + 2 to 10:
2 x 10 - 3

Simplify 2 x 10 to 20:
20 - 3

Simplify:
17

5) Graph the following inequality. (3 points) 6x-2y>8

Answers

Answer:

Step-by-step explanation:

at the beach, the cost for a surf board is 39 dollars for 3 hrs. at this rate what will be the charge in 8 hrs.

Answers

Answer:

$104

Step-by-step explanation:

So, in one hour it would cost $13. Times 8, because we want to see what would be the cost for 8 hours, and 8 times 13 is 104.

Answer:

$104

Explanation:

39 divided by 3 gives you 13. This means that the surf board costs $13 per hour. To find how much it will be for 8 hours, multiply 13 by 8. This gives you 104 which is the correct answer for your question :)

Can someone please please PLEASEEE. Help me on this one

Answers

Answer:

256 total

Step-by-step explanation:

112 boys

144 girls

If a ball is thrown straight up into the air with an initial velocity of 100 ft/s, it height in feet after t second is given by y = 100t – 16.

a.) Find the average velocity for the time period begining when t = 2 and lasting for the given amount of time.

0.5 seconds


(ii) 0.1 seconds.


(iii) 0.01 seconds.


b.) Based on the above results, guess what the instantaneous velocity of the ball is when t = 2 seconds.
Answer:

Answers

Answer:

11 0.1 seconds

Step-by-step explanation:

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