Answer:
Sort out which is which then divide or multiply
Step-by-step explanation:
59= 3x +2
57=3x
19=x
Which means she has 19 friends.
Answer:
Step-by-step explanation:
Use the Pythagorean Theorem to solve for z. a^2 + b^2 = c^2, which a and b being the side lengths
9^2 + 12^2 = 81+ 144
81+144= 
= 15
z= 15
Answer:
≈ 77 cm²
Step-by-step explanation:
The area of the shaded portion is calculated as
area of outer sector - area of inner sector
= (πR² - π r²) ×
( R is the outer radius, r is the inner radius )
= (π × 14² - π × 7² ) × 
= (196π - 49π ) ÷ 6
= 147π ÷ 6
≈ 77 cm² ( nearest whole number )
Answer:
6 × 9 = 54
42 ÷ 7 = 6
56 ÷ 7 = 8
Step-by-step explanation:
Given:
6 × 9 = 54
8 × 4 = 34
42 ÷ 7 = 6
64 ÷ 9 = 7
56 ÷ 7 = 8
Now it need to verify,
6 × 9 = 54 this is correct
42 ÷ 7 = 6 This is also correct
56 ÷ 7 = 8 This is correct