Alloys C and D are composed of metals X and Y in the ratios 6:3 and 5:7 respectively by weight. How many kg of X must be melted along with 30 kg of alloy C and 65 kg of alloy D so as to produce a new alloy containing 50% by weight of X?

An investment account pays 5.4% interest compounded quarterly. If $4,000 is placed in this account, find the balance after 8 years. (Round to the nearest cent). O A) $126,539.40 B) $6:092.35 O O C) $6,143.56 O D) $21,525.81

Pilar Pérez is a truck driver she earns 17.65 per hour she worked 40 hours last week what was her straight time pay

What's divided by 22 would give me negative 2?

Eli is buying a townhouse that costs $276,650. he has $28,000 in savings and earns $4,475 a month. eli would like to spend no more than 30% of his income on his mortgage payment. which loan option would you recommend to eli? a. 30 year fha, 3.

What is the formula of 20 is 4% of what number. How do you get the whole number

A painter is placing a ladder to reach the third story window, which is 35 feet above the ground and makes an angle with the ground of 70°.

Which represents a quadratic function? f (x) = - 8x3 - 16x2 - 4x f (x) = x 2 + 2x - 5 f (x) = + 1 f (x) = 0x2 - 9x + 7 Mark this and return Save and Exit Next Submit

Which is the solution set of the inequality 15 Y - 9 is less than 36

The cost of circular mirrors is directly proportional to the square of the diameter. a circular mirror with a diameter of 60cm costs £50. What is the cost of a circular mirror with a diameter of 90cm?

8,020,600 in expanded form