I. Fill in the blanks. 1. If one quantity varies inversely as another, then the product of the two quantities is
2. The proportion ai: az = bici: b2c2 is a/an
variation.
3 - 4. The equation AB = KC shows that A varies
as C and
as B.
5-6. The formula p= 4s is a/an
variation, and
is the constant.
7. The mathematical sentence of the statement: M varies directly as Q and inversely as the square root of R
is
8. If B varies jointly as Cand D, and B = 12 when C= 24 and D = 3. The constant of variation is
as the distance
9-10. The time that is needed to drive from one province to another varies
between provinces, and
as the rate you drive.

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: