2 years ago

Help help help math please help help

Mathematics

1 answer:

Vesna [10]2 years ago

6 0

Answer:

x=11

Step-by-step explanation:

We know that angles on a straight line equal 180 degrees, so we know that 8x+10+7x+5 = 180.

Simplify

15x+15=180

Solve

Take away 15 from both sides

15x = 165

Divide 165 by 15

x = 11

You might be interested in

Evaluate - 4/8 ./. 8 2/3

LenaWriter [7]

Answer:

The answer is 13/3.

Step-by-step explanation:

8 2/3 is an improper fraction and is expressed as 26/3. CCF (copy, change, flip) is then applied to the division statement and 26/3 to becomes 4/8*26/3. The final answer is 104/24 which simples to 13/3.

3 0

2 years ago

PLSSSS HELPPP 4 ¼ divided by 2 ½

notsponge [240]

Answer:

1.7 or 1 7/10

Step-by-step explanation:

5 0

2 years ago

Evaluate and simplify the following complex fraction.

likoan [24]

Answer:

yjyjytjyjtyjyjtyjtyjyhjyjnfrhjnrthj

Step-by-step explanation:

8 0

2 years ago

#8 Tessa has a plan for a set of stairs made of concrete, as shown. Each stair is 1 point the same width and height and is talle

Afina-wow [57]

Answer: 2.43m^3

Step-by-step explanation:

6 0

2 years ago

Helpppppppppppppppppp

makvit [3.9K]

Answer:

c. 25

Step-by-step explanation:

100/12 = 8.3

8.3 × 3 = 24.9

rounded up is 25

6 0

3 years ago