Answer:
Step-by-step explanation:
(a + 7b)(a + 4b)
a^2 + 4ab + 7ab + 28b^2
a^2 + 11ab + 28b^2
Answer:
The required expression is
Step-by-step explanation:
Given : Percentage
To find : Express the given percent as a decimal ?
Solution :
To convert percentage into decimal,
To remove percentage sign we divide the given number by 100.
So,
Remove percentage,
Now, Put decimal after three digit
As we have to round it to five decimal places,
Therefore, The required expression is
Answer:
<h3>The answer is 4.9cm</h3>
Step-by-step explanation:
To find the perpendicular distance between them that's the height we use the formula
where
a and b are the parallel sides of the trapezium
h is the perpendicular distance
From the question
Area = 31.5cm²
a = 7.5 cm
b = 5.3 cm
Substituting the values into the above formula we have
Divide both sides by 6.4
h = 4.921875
We have the final answer
<h3>h = 4.9cm</h3>
Hope this helps you
Answer:
x=76
Step-by-step explanation:
–4(x – 26) = –200
Divide each side by -4
–4(x – 26)/-4 = –200/-4
x-26 = 50
Add 26 to each side
x-26+26 = 50+26
x = 76
Answer:-745
Step-by-step explanation: