Câu 6: Cho tam giác ABC vuông tại A (AB < AC). Vẽ AH ⊥ BC (H ∈ BC). Lấy điểm K trên tia HC sao cho: HK = BH. Qua K kẻ đường thẳng vuông góc với AC tại I (I ∈ AC),
đường thẳng đó cắt tia AH tại E
a) Chứng minh ∆ AHB = ∆ AHK;
b) Chứng minh: EI // AB;
c) Chứng minh: AH = HE
d) Lấy điểm D trên đoạn CE sao cho CD = CI. Chứng minh 3 điểm A, K, D thẳng hàng

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

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