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ZanzabumX [31]
4 years ago
13

Christina's hair measured 16 2/5 inches before her haircut. After the cut, it measured 9 2/3 inches. How much did she let the ha

irdresser cut?
Mathematics
1 answer:
ivolga24 [154]4 years ago
5 0

Answer:

6 6/15 as a decimal 6.4

Step-by-step explanation:

You might be interested in
Just need some help with the second answer thanks :)
vazorg [7]

Answer:

4,151,347,200

Step-by-step explanation:

To find how many ways the train can be made up we use the permutation formula and the values given.

n = 16

k = 9

_{n}P_{k}=\dfrac{n!}{(n-k)!}

_{16}P_{9}=\dfrac{16!}{(16-9)!}

_{16}P_{9}=\dfrac{16!}{7!}

_{16}P_{9}=4,151,347,200

So there will be 4,151,347,200 different ways that the train can be made.

5 0
4 years ago
-109 divide by -9 what is the fraction?
nika2105 [10]

Answer:

12.1/1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If 8(x) is the inverse of f(x) and f(x) = 4x + 12 what is g(x) ?
kompoz [17]

Answer:

(y-12)/4

Step-by-step explanation:

If g(x) is the inverse of f(x)

and f(x) = 4x + 12

f⁻¹(x) = g(x)

let f(x) be represented as y

f(x) = y

y = 4x + 12

subtract 12 from both sides

y-12= 4x

divide both sides by 4

(y-12)/4 = x

so f  ⁻¹ (y)=  (y-12)/4 so g(x) =  (x-12)/4

7 0
3 years ago
The sum of two numbers is 20. The difference between three times the first number and twice the second is 40. Find the two numbe
viva [34]

The numbers are 16 and 4

Reason: 16+4=20 and (16*3)-(4*2)=48-8=40

4 0
3 years ago
Solve each system of equation for 3y+x=3 and -2y+5x=15
madam [21]

Answer:

<em>x = 3 and y = 0</em>

Step-by-step explanation:

3y+x=3

-2y+5x=15

Isolate y in 3y + x = 3 :

y= \frac{3-x}{3}

Substitute y = \frac{3-x}{3}  in -2y + 5x = 15 :

-2 * \frac{3-x}{3} + 5x = 15

Simplify the equation :

\frac{-6+17x}{3} =15

Isolate x in \frac{-6 + 17x}{3} = 15 :

Proving x = 3

Isolate y in y = \frac{3-3}{3} :

Proving y = 0

Your solved system of equations are x being 3, and y being 0.

6 0
3 years ago
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