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mr_godi [17]
3 years ago
14

1

Mathematics
1 answer:
Papessa [141]3 years ago
8 0

Answer:

d = 10/72

Step-by-step explanation:

c and d vary inversely

c = k/d

Where,

k = constant of proportionality

d = 2/9 when c = 5

c = k/d

5 = k ÷ 2/9

5 = k × 9/2

5 = 9k/2

Cross product

5*2 = 9k

10 = 9k

k = 10/9

c = k/d

c = 10/9 ÷ d

c = 10/9 × 1/d

c = 10/9d

find d when c = 8

c = 10/9d

8 = 10/9d

Cross product

8*9d = 10

72d = 10

d = 10/72

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Ill give 10 points if you answer
scoundrel [369]
Hi there!

The answer is x = 6. All you have to do is subtract 83 from 127 because 127 is the total of the two parts of the equation. Now using the expression they give you - since you already know what the missing angle degree is for JKM- you just plug it in. 9x-10=44.

Add 10 to both sides to cancel out the ten.

You then have 9x = 54.

Divide both sides by 9.

Leaving you with x = 6.

Hope this helps !
5 0
3 years ago
A county fair charges $9.00 for admission and $2.50 per ride. If Latisha spent $49 on admission and rides, how many rides did La
Hunter-Best [27]

Answer:

Latisha rode 16 rides

Step-by-step explanation:

Look at picture attached. Have a blessed night!

Just slope intercept formula (y=mx+b). X represents the number of rides so you will need to myltiply that by $2.50. $9 is a one time fee so that would be of the b of the equation. That all equals the total Latisha piaid, $49. Then solve like so.

4 0
2 years ago
Solve by completing the square 9x^ - 18 x +93= -6
gavmur [86]
9x^2 - 18 x + 93= -6

take away 93 from both sides
9x^2 - 18 x = - 99

Divide by 9 through
x^2 - 2 x = - 11

Add (b/2)^2 to form perfect square
x^2 - 2 x + ( \frac{2}{2} )^2 = - 11 + ( \frac{2}{2} )^2

Form perfect square
(x - 1)^2 = - 10

Square root both sides to find x
x - 1 = \pm  \sqrt{-10}

add 1 on both sides
x = 1+  i\sqrt{10}  \ or \  1- i\sqrt{10}


7 0
3 years ago
What is the quotient of 6,484 ÷ 24?<br><br> 270 R 4<br> 270 R 8<br> 285 R 4<br> 285 R 8
olga55 [171]

Answer:

Hence, the quotient is 270 and remainder is 4.

Step-by-step explanation:

Let R denotes the remainder after dividing.

We are asked to find the quotient when 6,484 is divided by 24.

On dividing the number 6,484 by long division method we will see that the dividend is not divisible completely that is it is not a factor of 24.

i.e. (6484)÷24=270.16666.

Hence we are also left with a remainder.

The quotient on solving the problem is 270.

and the remainder is 4.

Also in other way we could see that when 6484 is subtracted by the remainder and then divided by 24 then it is completely divisible i.e. we get remainder to be zero i.e.

(6484-4)÷24=(6480)÷24= 270.


7 0
4 years ago
Read 2 more answers
Write an equation of the line in slope-intercept form
Advocard [28]

Answer:

y = x + 4

Step-by-step explanation:

Well, the important thing is to get the slope first. The slope here is 1.

Here's how to find the slope yourself:

m (slope) = (y₁ - y₂)/x₁ - x₂

m (slope) = (3 - 4)/(-1 - 0)

m (slope) = -1/-1

m (slope) = 1

So, we found the slope. Now, plug it into the equation. y = 1x + b. Cool, so now let's choose the first point to solve this.

So, 3 = 1(-1) + b

3 = -1 + b

3+1 = -1+1 + b

The ones cancel out...

4 = b

So, now you plug that into the equation... y = 1x + 4, although you would write it as y = x + 4.

4 0
3 years ago
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