alondraguarneros alondraguarneros

17-12-2020
Mathematics

contestada

The angle measures of a triangle are 2y+3 degrees 9y-7 and 7y+4 degrees what is the value of y

Respuesta :

gurungpremmaya16 gurungpremmaya16

17-12-2020

Answer:

2y+3+9y-7+7y+4=180

2y+9y+7y=180(+7-7)

18y=180

y=180/18

y=10

then

2y+3

2×10+3

20+3

23

9y-7

9×10-7

83

7y+4

7×10+4

74

Answer Link

Otras preguntas

explain why the percentage of resistant bacteria increased over time.

The change in heat energy for a reaction is best expressed as a change in a. Enthalpy (H) b. Absolute temperature (T) c. Specific heat (c) d. Entropy (S) e

Please help the question is in the picture x

Wastes are excreted from mollusks via the a. outer shell. b. nerve ﬁbers. c. radula. d. nephridia.

Does anyone know the full answers to these questions as there are very few answers in the book. CGP ADDITIONAL SCIENCE B2 Topic 1 revision summary

Multiply out the expression (y+9) (y+2) Please show working if possible! Thanks in advance x

Bicarbonate ion is an example of a a. an acid b. a base c. an acidic salt d. a basic salt e. an amphoteric substance

In the 1940s and 1950s, scientists did experiments to determine the molecule responsible for heredity. Their experiments demonstrated that the molecule that enc

In the 1940s and 1950s, scientists did experiments to determine the molecule responsible for heredity. Their experiments demonstrated that the molecule that enc

The change in heat energy for a reaction is best expressed as a change in a. Enthalpy (H) b. Absolute temperature (T) c. Specific heat (c) d. Entropy (S) e