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3 years ago

7

hank cut a cake into 12 equal pieces and ate 2 pieces. he has 10/12 of the cake left to serve on plates. what part of the cake d

id he put on each plate?

2 answers:

balu736 [363]3 years ago

5 0

The part of the cake he pit on each plate is 2/12 or 1/6

malfutka [58]3 years ago

4 0

Make a circle with 12 slices color 2 of them any color you put 10 make a line up under the 12 and put 10 then do 12-2=10

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HELP PLEASE I NEED IT ASAP IT WILL MEAN A LOT TO ME!!

podryga [215]

Answer:

x=8.499

y=0.167

Step-by-step explanation:

the equation says:x^2-9y^2=72....(1)

x+3y=9.......(2)

divide (2) from (1),it becomes:

x-3y=8

making x subject of formula,

x=8+3y....(3)

submitting (3) into (1),it becomes

(8+3y)^2-9y^2=72

64+48y=72

48y=72-64=8

y=8/48=0.167......(4)

submitting (4) into (2),it becomes

x+3(0.167)=9

x+0.501=9

x=9-0.501

x=8.499

7 0

2 years ago

Find the geometric mean of 7 and 9.Please select the best answer from the choices provided.

Dafna1 [17]

Is it talking about multiplying because then it should be 63

8 0

2 years ago

Fine the value of k for which the pair of linear equation kx+3y=k+2 and 12x+ ky has no solution

son4ous [18]

Answer:

Step-by-step explanation:

it will have no sol. when a1/a2=b1/b2!=c1/c2

!= means not equal to

kx+3y=k+2

kx+3y-(k+2)=0 equation 1

12x+ky=0

taking a1/a2=c1/c2

k/12=3/k

k^2=36

k=6

when k= 6 it will have no sol

6 0

2 years ago

Anni [7]

When I took this quiz mine was H

7 0

2 years ago

Find the solution to the system of equations.

saveliy_v [14]

Answer:

$(-2,-5)$

Step-by-step explanation:

$\begin{bmatrix}y=-4x-3\\ y=-2x+1\end{bmatrix}$

$\mathrm{Substitute\:}y=-2x+1$

$\begin{bmatrix}-2x+1=-4x-3\end{bmatrix}$

Isolate x for -2+1=-4x-3: x=-2

$\mathrm{For\:}y=-2x+1$

$\mathrm{Substitute\:}x=-2$

$y=-2\left(-2\right)+1$

$-2(-2)+1=5$ $4+1=5$

$y=5$

4 0

1 year ago