Ibong tiririt math(3)

42問 • 1年前

問題一覧

The roots of the quadratic equation are 1/3 and 3/2. What is the equation?

c. 6x²+7x-3=0

Mr. PME covered a distance of 55 km in 4 hours by driving his car 40 kph, part of the way, and by walking the remainder of the way at 5 kph. What part of the total distance did Mr PME go by car?

b. 8/11

The water tank in Calamba Water District can be filled by pipe A in half the time the pipe B can empty the tank. When both pipes are operating, the tank can be filled in 1 hour and 12 minutes. Determine the time, in hours, for pipe A to fill the tank alone,

a. 0.6

What is the value of k to make the expression kx-3kx 9 a perfect square?

b) 4

Two times the mother's age What is the daughter's age?

a) 15 yrs old

How many terms of the sequence-9, 6,3... must be taken so that the sum is 66?

a) 11

A farmer is to plant rice in a rectangular field 30 meters by 40 meters. He started on the edge and plant around the perimeter. How wide a strip should he plant for each side in order to do half the work?

a) 5 m

There are 6 geometric means between 4 and 8748. Find the sum of all terms.

d) 13 120

Compute the arithmetic Mean of the following set of numbers: 18, 24, 27, 30, 35, 42, 50.

b. 32.29

Compute the arithmetic Mean of the following set of numbers: 18, 24, 27, 30, 35, 42, 50.

b. 32.29

Find the root mean square of 11, 23, a and 35.

a. 25

Water is pouring into a swimming pool. After thours, there are tf gallons in the pool. At what rate, in GPM is water pouring into the pool when 1-9 hours?

a) 0.0194

A pole cast a shadow 15-m long when the angle of elevation of the son is 61°. If the pole has lean 15° from the vertical directly towand the sun, what is the length of the pole?

a. 54.23 m

What is the supplement of an angle whose compliment is 62°

a. 152°

A certain angle has a supplement five times its compliment. What is the angle"

c) 67.5°

Determine the accumulated value of P2,000/00 in 5 years it is invested at 11% compounded quarterly,

a) P3,440.00

The sum of P15,000.00, deposited in an account earning 4% per mum compounded quarterly, will become P18.302.85. Determine the effective rate of interest per year.

b) 4.06%

What is the effective rate equivalent of 12% compounded quarterly!

a) 12.55%

Celestino owes P500, due in 3 years and P800 due in 7 years. He is allowed to settle these obligations is by a s 6 year. Find how much hel has to pay o 6th year if money is worth 14% compounded semi-annually.

a) P1,449,12

Cleolas borrowed P2,000.00 from a bank and agreed to pay the loan at the end of one year. The bank discounted the loan and gave him P1950 in cash. Determine the rate of discount

c) 2.5%

From the top of tower A, the angle of elevation of the top of the tower B is 46. From the foot of tower B the angle of elevation of the top of tower A is 28° Bot Both to towers ate on a level ground. If the height of tower R is 120 m, how high is tower A?

a) 40.7 m

Think of a number, Double the number. Subtract 6 from the ressalt and divide the answer by 2. The quotient will be 20. What is the number you think?

c. 23

. If x varies directly as y and inversely as z, and x 14 when y 7 and z 2, find the value of x when 24 and y 16.

d) 16

Determine the absolute value of the complex number 3-41.

b) 5

Simplify i'⁹⁹⁷+ i¹⁹⁹⁹ where i is an imaginary namber

a) 0

If vector A is 10 units and vector B. which makes 60° with vector A, is 20 units. What is the difference of vectors A and B

d) 17.32 units

A ball is dropped from a height of 50 meters above ground. How long does it take to hit the ground?

b) 3.5 seconds

A change in position, specified by a length and a direction is said to be:

a. Displacement

The process of one substance mixing with another because of molecular motion is known as:

b. Diffusion

Those cost that arise the result of a change in operations or policy or it is the ratio of a small increment cost and a small increment of output.

b. Differential cost

The sum of all the costs incurred by the originators of the project up to the time that the promoters of the project accept the project is known as:

a. Development cost

What is the acid test ratio?

c. The ratio of current assets (exclusive of inventory) to the total current liabilities

In electricity, how do you call the rate of charge flow?

b) Current

In electrical, what is the SI unit of conductance?

c) Sieniens

Which of the following is the equivalent of 1 Ampere?

a) 1 Coulomb per second

This is the process of expressing a polynomial as the product of another polynomial or monomial of lower degree, What is this mathematical process?

c. Factoring

This is a point where the concavity of a curve changes or when the slope of the curve is neither increasing nor decreasing. What is this point commonly called?

d. Point of inflection

How do you call the axis of the hyperbola that passes through the center, the foci and vestices?

a) Transverse axis

What is a number, which could not be expressed as a quotient of two integers?

c. Irrational

How do you call the opposite of the prefix nano?

c) Giga

What do you call a triangle having three unequal sides?

e) Scalene

How do you call the distance of a point from the y-axis?

c) Abscissa

THERMO

James Paul Concepcion · 31問 · 1年前

THERMO