Roberta has $10,540 to invest. she plans to invest her money in certificates of deposit (cds) that have 2.1% interest, a stock portfolio that makes 2.5% interest, and a savings account that has 1.5% interest. she would like to make $231.69 in annual interest from her investments. also, to provide some risk security, she wants to invest a third of the amount she puts in the stock portfolio in the savings account. let x be the amount invested in cds, y be the amount invested in the stock portfolio, and z be the amount invested in the savings account. what is the amount roberta invests in each type of investment?

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours

answer: i dont know i want points

step-by-step explanation: