giannapresto giannapresto

23-09-2019
Mathematics

contestada

If DE = 5x EF = 3x and DF = 32 what is the length of DE?

If DE 5x EF 3x and DF 32 what is the length of DE class=

Respuesta :

thardy69634 thardy69634

23-09-2019

Answer:

15

Step-by-step explanation:

Answer Link

23-09-2019

Answer:

20

Step-by-step explanation:

Combine like terms: 5x + 3x = 8x

Divide both sides by 8: 8x/4; 32/8

Solve for x: x = 4

Plug it in: DE = 5(4) = 20

Check: 5(4) + 3(4) = 32; 20 + 12 = 32

Answer Link

Otras preguntas

The power, P (watts), of a car engine is proportional to the square of itsspeed, s(m/s). When s=25, P=1800. Work out the speed (to 1 DP) when the power is 2000

7. Which of these are factors in determining whether a person is counted in the unemployment rate? Select the two correct answers. * 2 points whether the person

Assume you are going to buy a new Nissan Rouge priced at $38250.00 and after the deal you have found out that the sales tax is 9%. Estimate the answer

1. Answer the following questions on the number given below. 12,34 761 (a) What is this number called?

Please help me write #3 and #4 is standard form!! I will mark brainliest!!!

math any help please

salut j espere que vous allez bien que pensez vous de la peine de mort avec les arguments svp

goddesboi this one! what’s the answer? thanks ^^

5. Which side lengths could not form a triangle? A. 13 cm, 13 cm, 28 cm B. 5 cm, 8 cm, 10 cm C. 18 cm, 24 cm, 30 cm D. 9 cm, 35 cm, 40 cm arom below what is M/N

what was the result of the standoff? how was this symbolic of the divide in America?help help