Answer:
7/18
Step-by-step explanation:
²
=((2*7)+4)/7
2*7=14
14+4=18
18/7⇒7/18
Answer:f=-1
Step-by-step explanation:
Answer:
5 and 9/14
Step-by-step explanation:
convert the numbers into improper fractions
8/7 + 9/2
=
(8 × 2) + (9 × 7)
7 × 2
=
79/14 or 5 and 9/14
Answer:
Its a and d
Step-by-step explanation:
I did this assignment i got those answers
<span>You can use Heron's formula to solve this problem.
</span>

, where
A is the area;
a,b,с are the sides;
s<span> is the </span>semiperimeter<span> of the triangle
</span>

<span>According to conditions:
</span>a = x
b = x+1
с = 2x-1
<span>Calculate the semiperimeter:
</span>

<span>Now we can compose and solve the equation according to Heron's formula:
</span>

<span>As a result, x = 6 is your answer.
I hope this helped.</span>