FranchescaBurrell FranchescaBurrell

19-02-2021
Mathematics

contestada

Can I plz have some help with this...?

Can I plz have some help with this class=

Respuesta :

oliviamaeve oliviamaeve

19-02-2021

Answer:

x=19

Step-by-step explanation:

The sum of the three anagles is 180

(5x+4)+(x-2)+(3x+7)=180

5x+x+3x+4-2+7=180

9x+9=180

9(x+1)=180

x+1=20

x=20-1

x=19

Answer Link

Otras preguntas

What value of m will make 4x-7y=5 and 9x+my=3 parallel?

Five more than three times a number is 196 what is the number?

A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are possible which include exactly

what's the value of log2 (1/8) ?

if less than half of the garden is planted with corn, then is it reasonable to estimate that 5/6 of the garden is planted with corn?

Kristine bought a vase that cost $5.99 and roses that cost $1.25 each.the total cost was $20.99.write and solve the equation to find how many roses Kristine bou

which of the following is not an organ systemA) reproductiveB) muscleC) endocrineD) immune

Find the mistake C2H4(g) + 2O2(g) → 2CO2(g) + 2H2(g)

Calculate the force between a 0.006 C charge and a 0.001 C charge 4 meters apart.

what was the purpose of the Atlantic Charter