Answer:
explain
Step-by-step explanation:
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Answer:
step by step Explanation:
Since this is a right triangle,
We can find the length b by using the Pythagoras theorem
a2+b2=c2
Plugin the values
→22+b2=62
→4+b2=36
→b2=32
Take the square root of both sides
→√b2=√32
→b=√16⋅2
⇒b=4√2
6 + 2 = 8.
If you have 6 apples and add 2 more, you have 8 apples.
Answer: y = (-4/9)x2 + (16/9)x + (47/9)
Step-by-step explanation:
f(x) = a(x - h)2 + k, where the vertex is (h,k) = (2,7) while passing through the point (x,y) = (-1,3). We must plug everything in to solve for a first. Then,
3 = a(-1 - 2)2 + 7
3 = a(-3)2 + 7................Subtract 7 to both sides such that
-4 = 9a...............Then divide 9 such that
a = (-4/9)
Now we plug a into the equation with the vertex to create the parabolic function such that
y = (-4/9)(x - 2)2 + 7 ..............Then FOIL the (x-2)2 such that
y = (-4/9)(x2 - 4x + 4) + 7..............Then distribute the (-4/9) inside such that
y = (-4/9)x2 + (16/9)x - (16/9) + 7.............Then (-16/9) + 7 = (-16/9) + (63/9) = 47/9
so, y = (-4/9)x2 + (16/9)x + (47/9)
The exponent in Sam’s product is -5.
What does a math exponent mean?
- When a number is multiplied by itself, it is said to have an exponent.
- For instance, 2 to the third (written as 23) indicates that 2 x 2 x 2 = 8. 23 and 2 x 3 = 6 are not equivalent.
- A number raised to the power of one is itself, so keep that in mind.
Let us first multiply 500 with 3. 625×10-8
3. 625×10-8 × 500 = 1812.5 × 10⁻⁸
Then Sam has reported this answer in scientific notation
The format for writing a number in scientific notation is
(first digit of the number) followed by (the decimal point) and then (all the rest of the digits of the number), times (10 to an appropriate power).
In 1812.5 × 10⁻⁸ we move the decimal 3 times to left side
Since the decimal is moved left side, we multiply by 10³
1812.5 × 10⁻⁸ = 1812.5 × 10⁻⁸ × 10³
1812.5 × 10⁻⁸ = 1812.5 × 10⁻⁵
Exponent is a quantity representing the power to which a given number or expression is to be raised
1812.5 × 10⁻⁵ exponent is -5
Learn more about exponent
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