Another Khan acd question

Another Khan Acd Question

Answers

Answer 1
Plug in x = 30 and y = 15. Solve for r.

15 = r(30) (divide by 30)

R = 1/2 or 0.5.


Related Questions

Find, correct to the nearest degree, the three angles of the triangle with the given vertices.
A(1, 0, -1), B(3, -2, 0), C(1, 3, 3)

Answers

Answer:angle at vertex  A :97.7  B: 53.5 C: 28.8

Step-by-step explanation:

A four-person relay team completed a race in 73 seconds. On average,
what was each runner's time?

Answers

Answer:

about 18.25 s

Step-by-step explanation:

73 is the total, there are 4 people

73÷4=18.25

18.25 tells us the average time it took for each to complete their lap

Please answerrrrrr if its correct ill give you brainliest! First correct gets it

Answers

Answer:

Their answer is correct.

Step-by-step explanation:

In the right triangles shown, the measure of ange ABC is the same as the measure of ange EBD What is the length of
side BE
13
D3
E
5
С
Question 3 (2 points)

Answers

Answer:

3 1/3

10/3

3.333

Step-by-step explanation:

These two triangles are similar. Since they share two angles, the right angle and angle EBD and ABC are congruent. By AA similarity rule, they are similar triangles.

Since they are similar we can set up a proportion of the triangles since similar triangles have proportional side length.

Side AC corresponds with DE

Side AB corresponds with BE

Side BC corresponds with BD

So we can use this proportion theorem, or angle bisector theorem

[tex]\frac{ac}{ab}=\frac{de}{be}[/tex]

Plug in the numbers.

[tex]\frac{3}{5} =\frac{2}{x}[/tex]

Cross multiply

3x=10

x=10/3

Simplify is

3 1/3

As a decimal it equal 3.333

I NEED A 100% ACCURATE ANSWER FOR THIS QUESTION ASAP NO LINKS !!!

Answers

Answer:

The 3rd one

Step-by-step explanation:

Answer:One Solution x=6

Step-by-step explanation:

a line passes through the point (-3,-7) and has a slope of 6 write an equation in slope intercept form for this line.

Answers

9514 1404 393

Answer:

  y = 6x +11

Step-by-step explanation:

The slope-intercept form of the equation for a line is ...

  y = mx +b . . . . . . m = slope, b = y-intercept

Solving this for b, we get ...

  b = y -mx

  b = -7 -6(-3) = -7 +18 = 11 . . . . . . using the given point and slope

Then the desired equation is ...

  y = 6x +11

h= -16t^2+16t+192 When will the ball hit the​ ground?

Answers

Answer:

t = 4 s

Step-by-step explanation

We can infer the origin from the t⁰ term of the quadratic as being 192 feet above the ground. Initial velocity is  16 ft/s from the t¹ term, gravity is -32 ft/s² from the t² term

0 = -16t² + 16t + 192

0 = -t² + t + 12

0 = t² - t - 12

0 = (t - 4)(t + 3)

so either

t - 4 = 0

t = 4 s

or

t + 3 = 0

t = -3 s  which we ignore as it occurs before the ball is released.

550 tickets were sold for a game for a total of $712.50. If adult tickets sold for $1.50 and children's tickets sold for $1.00, how many of each kind of ticket were sold?

Answers

9514 1404 393

Answer:

adult: 325children's: 225

Step-by-step explanation:

It usually works well to let a variable represent the higher-value item in the mix. Here, we can let 'a' represent the number of adult tickets sold. Then the total revenue is ...

  1.50a +1.00(550 -a) = 712.50

  0.50a = 162.50 . . . . . . . . . . . . . subtract 550 and collect terms

  a = 325

  c = 550 -325 = 225

325 adult and 225 children's tickets were sold.

There are 91 rooms in a hotel.52 rooms are reserved. What fraction of the rooms are reserved?

Answer Properly. Otherwise, I report you.

Answers

to find remaining rooms 91-52=39

turn into a fraction =39/91

answer=39/91

What is the equation of the line that passes through the point -6 -5 and has a slope of 3/2

Answers

Answer:

y = (3/2)x + 4

Step-by-step explanation:

The equation for a line is y = mx + b. m is the slope, b is the y-intercept, and y and x are points.

First, substitute in the slope.

y = (3/2)(x) + b

Then, substitute in the points.

-5 = (3/2)(-6) + b

Multiply.

-5 = -9 + b

Add 9 to both sides.

b = 4

Therefore...

y = (3/2)x + 4

4.
Tanis had $5,642.18 in her checking account at the beginning of the year.
If her account has a balance of $6,108.65 at the end of the year, what is
the percent increase of her savings account? Round your answer to the
nearest tenth.

Answers

Answer:

8.3%

Step-by-step explanation:

Solvex - 3x + 2 = 0 using substitution.
U=
x
X^2
3x^2
X^4

Answers

. . . . . . . . . 2/3 . . . . . . . . . .

The value of solution of equation is,

⇒ x = ±1 and x = ±√2

What is Quadratic equation?

An algebraic equation with the second degree of the variable is called an Quadratic equation.

Given that;

Expression is,

⇒ x⁴ - 3x² + 2 = 0

Now, We can plug x² = u in above equation and solve as;

⇒ x⁴ - 3x² + 2 = 0

⇒ u² - 3u + 2 = 0

⇒ u² - 2u - u + 2 = 0

⇒ u (u - 2) - 1 (u - 2) = 0

⇒ (u - 1) (u - 2) = 0

⇒ u = 1

⇒ u = 2

Plug x² = u

⇒ x² = 1

⇒ x = ±1

⇒ x² = 2

⇒ x = ±√2

Thus, The value of solution of equation is,

⇒ x = ±1 and x = ±√2

\Learn more about the quadratic equation visit:

brainly.com/question/1214333

#SPJ7

keep in mind significant figures. 6.020*0.0510=?

Answers

Answer:

3.072×10^-1

Step-by-step explanation:

please mark me as brainlest

Answer:

0.307

Step-by-step explanation:

6.020 multiplied by 0.0510 is 0.30702 and when we multiply, we round the answer to the least sig figs. That would be 3 since 0.510.

Is ghi a right triangle?
Yes
No

Answers

SORRY BUT IM A FILIPINO I DONT KNOW

Answer: NO

thank you and please give me a brainliest

Step-by-step explanation:

Evaluate x(y+3)/(3+y)z for x=12, y=1, and z=6.

A) 2

B) 5

C) 8

D) 6

Answers

Answer:

2

Step-by-step explanation:

We take the equation

[tex]x(y+3)/(3+y)z[/tex]

and substitute the values for each individual variable in the problem. It looks like this:

[tex]12(1+3)/(3+1)6[/tex]

Now we can solve the equation.

When solved, it equals 2.

the answer is number 2

PLease help! I will give you a lot of points! (Section 8.7)

Answers

Answer: The buyer will save 18k dollars

Step-by-step explanation:

He is saving 18k becuase that is 8 percent of 21k

Answer:

The 20 year 8% year loan is more economicalThe buyer will save $159650

Step-by-step explanation:

Use the given formula to calculate each option and compare.

Option 1

P = $210000r = 8.5% = 0.085t = 30n = 1

Find the PMT:

[tex]P(r/n)/(1-(1+r/n)^{-nt})=210000*(0.085)/(1-(1+0.085)^{-30})=19541[/tex]

Find the total interest amount:

30*$19581 - $210000 = $377430

Option 2

P = $210000r = 8% = 0.08t = 20n = 1

Find the PMT:

[tex]P(r/n)/(1-(1+r/n)^{-nt})=210000*(0.08)/(1-(1+0.08)^{-20})=21389[/tex]

Find the total interest amount:

20*$21389 - $210000 = $217780

We see option 2 reveals less interest amount, so is more economical.

Saving on interest:

$377430 - $217780 = $159650

Find the product in lowest term
88/66 . 8/13 . 26/7

Answers

Answer:

3 1/21 or 64/21

Step-by-step explanation:

[tex]\frac{88}{66} * \frac{8}{13} * \frac{26}{7}[/tex] [tex]\frac{4}{3}*\frac{8}{13} * \frac{26}{7}[/tex]  [tex]\frac{32}{39} * \frac{26}{7}[/tex] [tex]\frac{832}{273}[/tex] [tex]\frac{832}{273} = \frac{64}{21}[/tex] [tex]\frac{64}{21} = 3\frac{1}{21}[/tex]

Therefore, the answer is 3 1/21 or 64/21. (They're the same thing.)


Part 1
Simplify each fraction. Some fractions can be simplified more
than once.
66/108

Answers

Answer:

11/18

Step-by-step explanation:

divide the numerator and denomonater by the GCD, whic is 6.

then you would get the reduced fraction of 11/18

Describe how the x-coordinates of h(x)=f(x-3) compare to the x-coordinates of the parent function

Answers

The function has been shifted to the right 3 units

plse help me dawdawdawd

Answers

12+6x was subtracted from the left but only 12 was subtracted from the right.

6x and 6 are not equal unless x=1

X=-11/15

Super easy please answer

Answers

Answer:

the answer is c) 2n+8

Step-by-step explanation:

This is because the expession applies to every figure when calculating the amount of sides

figure 1- 2(1)+8 = 2+8 = 10

figure 2- 2(2)+8 = 4+8 = 12

figure 3- 2(3)+8 = 6+8 = 14

Yes, the expression is true for every figure, proving that it can solve for the perimeter

hope this helps :)

Is 13 ft the correct length?

Answers

Answer:

Your answer is incorrect 22 ft is correct

Step-by-step explanation:

We can check if 13ft is correct by using the volume formula and seeing if it equals the volume given

so volume is

width * length * height

if the length is 13

lets try it!

8  * 13 * 5

= 520 this is not correct the volume stated is 880

Let's try the next answer 22 ft

8 * 22 * 5

= 880

22 ft works that will be your answer

hope this helps!

~

Carlos has 24 balls of different colors: yellow, red, green, and blue. 17 balls are not red,10 balls are neither yellow nor blue. How many green balls does Carlos have
pls help(if u can pls also explain it)

Answers

Answer:

10 green

Step-by-step explanation:

24 total balls. 17 Not red, so 24-17=7. 7 Red balls. That leaves 17 balls. 10 of them are neither yellow nor blue, and since the amount of red balls has been figured out, we do not need to account for them. 17 balls - 10 not yellow or blue equals 7 balls that can be yellow or blue. 17 balls left, minus the 7 yellow or blue balls equals 10.

someone help if yo take my points and do not answer the question right I will report you

Answers

Answer:

3/28

Step-by-step explanation:

25 POINTS TO WHOEVER ANSWERS PLEASE HELP!!!

Answers

No because it fails the vertical line test hope it helps

Answer:

c

Step-by-step explanation:

c

The mean and standard deviation of the daily high temperatures were calculated in three cities for the month of September 2018.
The z-score for the high temperature on September 19 for each city, relative to that city's mean, is given.

Tempe, AZ: -2.94
Ankeny, IA: 0.45
Lubec, ME: -0.98

Which statements correctly compare the z-scores? Choose three correct answers.

correct answers:

(A) - The high temperature on September 19 in Tempe was the most abnormal.

(D) - Only Ankeny's high temperature was warmer than the mean; Tempe and Lubec's high temperatures were colder than the mean.

(E) - The high temperature on September 19 in Ankeny was the closest to the mean.​

Answers

Answer:

A,D,E

Step-by-step explanation:

Answer:

A)The high temperature on September 19 in Tempe was the most abnormal.


D)Only Ankeny’s high temperature was warmer than the mean; Tempe and Lubec’s high temperatures were colder than the mean.


E)The high temperature on September 19 in Ankeny was the closest to the mean.

Step-by-step explanation:

edge 2023

Which one of these shapes is not like the others? Explain what makes it deferent by representing each width and height pair with a ratio.

Answers

Answer:

the answer would be C

Step-by-step explanation:

4/5 = 8/10 +6/10

Min spends this amount of money. He buys a pen for $2 and an ink cartridge that is on sale for $10 off the regular price of $35.

Answers

Answer:

he spent 12 dollars

he saved 23 dollars

35-12=23

Step-by-step explanation:

Hope this helps

Answer:

$33.5

Step-by-step explanation:

10% of 35 is 31.5

Add 31.5 and 2 = 33.5

Whats the answer? (brainliest)

Answers

Answer:

x=-3

Step-by-step explanation:

4(2-4x)-3x=65

8-16x-3x=65

8-19x=65

-19x=65-8

-19x=57

-x=3

x=-3

4(2-4x)-3x=658-16x-3x=658-19x=65-19x=57x=-3

Harrison ordered 6 cases of pickles for his restaurants. Each case contained p jars of pickles. Harrison delivered an equal number of jars to each of his 7 restaurants. Which expression represents the number of jars of pickles that each restaurant received?


.

Answers

Answer:

6p/7

Step-by-step explanation:

Answer:

B. 6p/7

Step-by-step explanation:

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