If c varies directly as the square root of d, and c=14, when d = 64, find c when d= 324

Answers

Answer 1

Answer:

c = 31.5

Step-by-step explanation:

Given c varies directly as [tex]\sqrt{d}[/tex] then the equation relating them is

c = k[tex]\sqrt{d}[/tex] ← k is the constant of variation

To find k use the condition c = 14 when d = 64, then

14 = k ×[tex]\sqrt{64}[/tex] = 8k ( divide both sides by 8 )

1.75 = k

c = 1.75[tex]\sqrt{d}[/tex] ← equation of variation

When d = 324 , then

c = 1.75 × [tex]\sqrt{324}[/tex] = 1.75 × 18 = 31.5


Related Questions

Help dudhfsdhdhdhhddh

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Answer:

just multiply

76x475=36100 apples


[tex]x {}^{2} + 6x = x {}^{2} + 6x[/tex]
is an example of the _______ property .

a. symmetric
b. reflexive
c. transitive​

Answers

Answer:

a

it's so easy why ask this question?

The triangle below is isosceles. If ∠C≅∠B, then what is BC, in units?

Answers

Answer:

Step-by-step explanation:

If angles C and B have equal degrees then the side AC is also equal to  side AB in length and you can make their equations equal as well and solve for X.

2x+16=7x+6

get X's all on same side and the constants all on the other side,  

-2x +2x+16=7x+6+-2x

The X's on the left cancel out.

16=5x+6

-6+16=5x+6+-6

add -6 to each side.  On the right the 6 is now cancelled out.

10=5X

divide each side by 5 to cancel out the 5

10/5= 5X/5

2=X .  ANSWER

Find the surface area of the three-dimensional figure. ______ cm^2

Answers

150.88=7.4*3.1+3.1*5+7.4*5+7.4*3.1+7.4*5+5*3.1 thank you


All trapezoids have one right angle?

Answers

Answer:

a trapezoid can have either 2 right angles or no right angles at all

Step-by-step explanation:

Oi please help me it’s to hard

Answers

Umm what is that you are working on.
For the drawing. All you have to do is draw exactly what’s on the other side but make sure to fill in what’s missing (the white triangles) oh those aren’t triangles. (the white diamonds)

helppppppppppppppppppppppppppppp

Answers

Your answer is 130 hope I could help!

An online store sells specialty bags. They charge $8 for shipping and $21 per bag ordered.

Write an expression that can be used to find the cost in dollars for b bags including shipping.

Answers

Answer:

b=21x+8

Step-by-step explanation:

she sell bags 21 dollars for every bag(x) and they only add 8 dollars 1 time



what is 47 ÷ 12 1/3 =​

Answers

Answer: 47/363

(Decimal: 0.129477)

A student multiplied the two polynomials below. Find the Errors:

a. Clearly state the two mistakes made by the student in their multiplication table.

b. State what the correct answer should be.

Answers

second one is correct    

Step-by-step explanation:

Solve for xy^m=yx^2 for m​

Answers

Answer:

[tex]m = \frac{ln(xy)}{ln(y)} [/tex]

Step-by-step explanation:

divide both sides by x

simplify

apply exponent rules: mln(y)=ln(xy)

m=ln(xy)/ln(y)

Enter the value of b when the expression 9x + b is equivalent to
3(3x + 1).
BE
ker notes

Answers

Answer:

b = 3

Step-by-step explanation:

Isolate the variable, b. Note the equal sign, what you do to one side, you do to the other:

First, distribute 3 to all terms within the parenthesis:

3(3x + 1) =

3 * 3x = 9x

3 * 1 =  3

9x + b = 9x + 3

Isolate the variable, b. Subtract 9x from both sides:

9x (-9x) + b = 9x (-9x) + 3

b = 3

3 is your value for b.

~

What is the slope of the line that passes through the points (-8,-1) and (-12,-2) ?

Answers

Answer:

1/3

Step-by-step explanation:

To find the slope subtract the second y-coordinate from the first y-coordinate and divide it by the result of the second x-coordinate from the first.

-2 - -1 = -1

-12 - -8= -3

-1/-3 = 1/3

Answer:

the answer is 4/1. Or just 4.

Step-by-step explanation:

-8-(-12) is -8+12=4. Then -1-(-2) is -1+2=1.

Put the equation y =x^2-8x + 12 into the form y(x-h)^2+k
Answer: y =

Answers

Answer:

y = (x - 4)² - 4

Step-by-step explanation:

y = x² - 8x + 12

y = ( x² - 2(4)x + 4² ) - 4² + 12

y = (x - 4)² - 4

I need a answer ASAP​

Answers

Answer:

8

Step-by-step explanation:

y = (10x^2 + 3x^4)/ 2x^2

where x is not equal to 0

(20x + 12x)/4x

32x / 4x

= 8

452 x 12 _____ = 452
fill in the blank

Answers

Answer:

38 remander 8

Step-by-step explanation:

$200 in a savings account. The interest rate is 3%. Determine the exact amount of money that will be in the
account after the following amounts of time.
a) 2 months: b) 6 months:

c) 11 months: d) 1 year:

e) 2.5 years: f) 5 years:

Answers

Answer:

what

Step-by-step explanation:


Write the sentence as a proportion: 4 wins in 7 games is the same as 116 wins in 203 games.

Answers

Answer:

4/7=116/203

Step-by-step explanation:

Use square ABCD for this problem
IF AC=26,find BC.

Answers

Answer:

BC = 26

Step-by-step explanation:

because in square all sides are equal

Answer:

bc=28

Step-by-step explanation:

give them brainliest

help me .............................................

Answers

Answer:

☘️9+5x+16

☘️ 25+5x or 5(5+X)

1) 9+5x+16
2) 0=9+5x+16
-5x=9+16
x=9+16/-5
x= 5.8

the difference of 4 , and 5 times h

Answers

Answer:

Step-by-step explanation:

4 - 5*h

The question is not totally clear. It could be the other way around.

5h - 4

Given the grammar, I'll stick with the first answer.

Find w. Round to the nearest tenth.

A. 4.4
B. 1.2
C. 39.5
D. 5.0

Answers

Answer:

Answer is A I believe

Step-by-step explanation:

The value of w from the given triangle VWX is 5 units. Therefore, option D is the correct answer.

What is sine rule?

Law of Sines In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of any triangle to the sines of its angles.

The formula for sine rule is sinA/a=sinB/b=sinC/c

From the given triangle VWX, ∠X=51°, ∠W=16° and VW=x=14.

Here, sinX/x=sinW/w

sin51°/14=sin16°/w

0.7771/14=sin16°/w

0.7771/14=0.2756/w

0.0555=0.2756/w

w=0.2756/0.0555

w=4.965

w≈5

Therefore, option D is the correct answer.

Learn more about the sine rule here:

https://brainly.com/question/22288720.

#SPJ2

Use the series below to answer the following questions.

Answers

Sorry but u didn’t put a picture

A coach of a baseball team looked over his roster at the beginning of spring training. He noticed some things: Every outfielder is a switch hitter. Half of all infielders are switch hitters. Half of all switch hitters are outfielders. There are 14 infielders and 8 outfielders. No infielder is an outfielder. How many switch hitters are neither outfielders nor infielders

Answers

Answer:

112

Step-by-step explanation:

I just multiplied 14 & 8 and I got 112. I hope this helps.

- Bluewolf

Giving out the brainlest answer !!! help plsss ASAP !!!!!!!

Answers

Answer:

5

Step-by-step explanation:

As given  

  1/sqrt2=x/5sqrt2

5sqrt2/sqrt2=x                Both sqrt will get cancelled

5=x

Been posting this question for days now (Q5) ....pls I beg of you if you don't know don't reply ​

Answers

Answer:

a. Another letter that have corresponding angles is the letter 'E'

b. Another letter that have alternate angles is the letter 'N'

Step-by-step explanation:

The capital letter 'F' can be described as letter can be presented as follows;

Two horizontal parallel lines touching and perpendicular to a common transversal

Therefore, the parallel lines in the letter 'F' and their common transversal form corresponding angles below each parallel line and the common transversal

The two horizontal lines in the capital letter Z and the inclined transversal form alternate angles between the transversal and the parallel lines, in the region between the parallel lines and on opposite sides of the transversal

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b. Another letter that have alternate angles is the letter 'N'

How many solutions does the system of equations have?

a. no solution
b. one solution x=0, y=5
c. One solution x=1, y=4
d. Infinitely many solutions

Answers

Answer:

one solution at x=1,y=4 point

Answer is =c due to the one solution

Given: binom(119, 0.57)
What is the Expected Value?

Answers

Answer:

The expected value, or mean, of a binomial distribution, is calculated by multiplying the number of trials by the probability of successes. For example, the expected value of the number of heads in 100 trials of head and tales is 50, or (100 * 0.5)

Somebody help me asap please giving brainliest

Answers

Answer:

70!

Step-by-step explanation:

If you divide the shape in rectangles, you'll just add it up in the end.

5 x 3 = 15

5 x 3 = 15

10 x 4 = 40

40 + 15 + 15 = 70.

Hope this helps!

Solve for x by means of factorisation:
1
x2 - 10x + 21 = 0​

Answers

Answer:

Solving this will give us the following two solutions:

x = (10 + 4) /2 = 14/2 = 7

x = (10 - 4) /2 = 6/2 = 3

Step-by-step explanation:

hope this helps!

could i get brainliest?

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