The greatest common factor is 28.

The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56

The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

Then the greatest common factor is 28.

3 0

3 years ago

Plss help i beg you!

frosja888 [35]

Answer:

Step-by-step explanation:

Given expression:

3(x + y) +2x² + (1 + y)²

Find its value when x = 4 and y = 1, substitute:

3(4 + 1) + 2*4² + (1 + 1)² =
3*5 + 2*16 + 2² =
15 + 32 + 4 =
51

7 0

3 years ago

Find the area of the shaded polygon.

Inessa [10]

Answer:

8 square units

Step-by-step explanation:

Split the polygon into 3 triangles as pictured below

They have base and height:

4 and 3, 1 and 1, 3 and 1

Find the area of 3 triangles and add up:

A = 1/2bh

A = 1/2*4*3 + 1/2*1*1 + 1/2*1*3 = 6 + 1/2 + 3/2 = 8 square units

6 0

3 years ago

Read 2 more answers

Speed compares two values in a ratio. calculate the average speed of karen who travels for 2 hours. karen traveled approximately

Mama L [17]

Speed=distance/time
distance=176km
time=2hr

speed=176km/2hr=88km/1hr

88kmph

5 0

3 years ago