Aditi is participating in a walkathon fundraiser. Two anonymous donors agree to donate money according to the distance she walks. The money, A AA, in dollars, that she receives from the first donor for walking d dd kilometers is given by the formula A ( d ) = 12 d A(d)=12dA, left parenthesis, d, right parenthesis, equals, 12, d. The total money, T TT, in dollars, that she receives from both donors for walking d dd kilometers is given by the formula T ( d ) = d 2 + 20 d T(d)=d 2 +20dT, left parenthesis, d, right parenthesis, equals, d, squared, plus, 20, d. Let B BB be the money that Aditi receives from the second donor for walking d dd kilometers. Write a formula for B ( d ) B(d)B, left parenthesis, d, right parenthesis in terms of A ( d ) A(d)A, left parenthesis, d, right parenthesis and T ( d ) T(d)T, left parenthesis, d, right parenthesis.

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step-by-step explanation:

a

step-by-step explanation:

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.