Answer:
The value of x = 7
Step-by-step explanation:
Given the right triangle
- We know that the sum of angles of a triangle is 180°.
so
Right angle + α + β = 180°
90° + 4x+7 + 8x-1 = 180
Group like terms
Add similar elements: :4x+8x=12x
Divide both sides by 12
Therefore, the value of x = 7
Answer:
2.5 or
Step-by-step explanation:
5 x = 2.5
This is because half () of 5 is 2.5
2.5 as a fraction is .
Hope this helps!
Answer: B; 84.
Step-by-step explanation:
If the ratio of cats to dogs is 3:4, and there is 36 cats in the shelter, then we need to divide 36 ÷ 3 = 12.
4 x 12 = 48.
36 + 48 = 84.
The total number of cats and dogs at the animal shelter is 84, so the answer is B.
Answer:
32
Step-by-step explanation:
Same amount of time every hour is constant rate.
25 min / 5 hrs = 5 min per hour
8 hrs × 5 min per hr = 40 min rest