Hi Nova
(4u³+6u²+7)+(6u³-2u+7)
= 4u³+6u²+7+6u³-2u+7
Combine like terms
( 4u³+6u³)+(6u²)+(-2u)+(7+7)
= 10u³+6u² -2u+14
There no like terms so you can not simplify the sum
I hope that's help and if you have questions please ask !
Answer:
y = 2x
Step-by-step explanation:
Let's first find the slope:
m = (y₂ - y₁)/(x₂ - x₁)
m = (6 - 4)/(3 - 2) = 2/1 = 2
Now let's use point-slope form:
y - y₁ = m(x - x₁)
(For x₁ and y₁, you can use either (2,4) or (3,6), but I'm gonna use (2,4))
y - 4 = 2(x - 2)
y - 4 = 2x - 4
y = 2x
That's your answer.
Hope this helps, and hope you learned something!
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Answer:
18.7 cm²
Step-by-step explanation:
To work out the area of a triangle you have to use the formula

Where "B" is the base and "H" is the height
Since these are decimals, I like to convert them into fractions which makes them easier to calculate with
The base is 4.25 cm which will turn into 
The height is 8.8 cm which will turn into 
Now we use the formula


→ Convert to improper fractions

→ Simplify

→ Convert into decimal
18.7