badhouston31 badhouston31

02-04-2020
Mathematics

contestada

Evaluate (x3 − 15) − (y + 6) for x = 4 and y = 1.

Respuesta :

benitezbarbara benitezbarbara

02-04-2020

The answer to the function is -10

Answer Link

Officialalehpeter Officialalehpeter

02-04-2020

Answer:

42

Step-by-step explanation:

Open the bracket first

(X3-15)-(y+6)

X3-15-y-6

Collect like terms

X3-y-15-6

X3-y-21

And x is said to be 4,y to be 1

So let's substitute

(4)^3-(1)-21

64-1-21

64-22

42

Therefore the final answer is 42

Answer Link

Otras preguntas

If you multiply a number by five and then subtract negative ten, the difference is negative thirty. What is the number?

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W

what are the landforms of vermont

what describes the solvent in any solution

Put brackets in the expression below so that it's value is 45.024. 1.6 + 3.8 * 2.4 *4.2 (*= times )

In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)

Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g

Explain how engineers and scientists may work together to produce a protein in the lab.

The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?

copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent