kk19818215
kk19818215 kk19818215
  • 22-01-2022
  • Mathematics
contestada

1: Evaluate x•y+9•X-3 when x=7 and y=10 2:
2:Evaluate 140=(x+9)+(x+4)2 when x=1 (show steps)​

Respuesta :

rithikaarun360
rithikaarun360 rithikaarun360
  • 22-01-2022

Answer:

1. 130

2. 0=120

Step-by-step explanation:

1. 7*10+9*7-3

pemdas

70+63-3

130

2. kind of hard to explain but this is what i got

(1+9) + (1+4)*2 = 140

pemdas

10+5*2=140

10+10= 140

20=140

you could subtract at this point...?

140-20=120

0=120

not much context but this is what i got

Answer Link

Otras preguntas

What's the subject of the sentence My Uncle is always eating peanut-butter sandwiches.
Stalin’s Five-Year Plan was supposed to a. liberate the working class. b. increase manufacturing. c. complete rearmament. d. rebuild war damages.
The floor in Lila's bedroom is 30 square yards. Calculate the area in square feet
a ball rebounds one-half the distance that it falls. If the ball is dropped from a height of 512 feet how high does it go on its 8th rebound?
3x+5=19 how do I solve this problem ???
order from least to greatest 5.04,5.4,5.406,5.064
I NEED HELP PLEASE! Jenny's birthday cake is circular and has a 30 cm radius. Her slice creates an arc of with a central angle of 120 degrees. What is the area
Substitution methode: 5x-3y=-11 x-2y=2
(1) Jack had been without a car since Monday. (2) The car needed a new battery, and Jack was broke. (3) Although he was embarrassed, Jack called his mother. (4)
what numbers round up and down to 600