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Brrunno [24]
3 years ago
13

Factor over the complex numbers: 36x2 + 9.

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

36x^2+9=(6x)^2-(-9)=(6x)^2-(-3^2)\\\\=(6x)^2-(3i)^2=(6x-3i)(6x+3i)\\\\\text{Used:}\\a^2-b^2=(a-b)(a+b)\\\\i^2=-1

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Which number line model shows 8 x 1/2
Vilka [71]

Answer:

D, the fourth one

Step-by-step explanation:

There are 8 jumps, and it says 1/2 so it would take 2 jumps for each number which would be 4 as the answer.

6 0
3 years ago
4 2/5 * 10 using distributive property
White raven [17]

Answer:

44

Step-by-step explanation:

4 2/5=22/5

22/5*10=220/5=44

7 0
3 years ago
The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2. How does the amount of fabric needed for Robs costum
exis [7]

The amount of fabric needed for Jimmy's costume is not stated, we can only determine the amount needed for Rob's costume, which makes it impossible to compare the amounts needed for both of their costumes. If this omission was an error, then you can find the difference between these amounts if the amount needed for Jimmy's costume is stated explicitly.

Step-by-step explanation:

The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2

Assuming 1 3/4 is a mixed fraction.

= (7/8 + 1/2 + 7/4) ÷ 2

= (7 + 4 + 2) ÷ (8 × 2)

= 13/16 yards

Suppose 2 yards of fabric is needed for Jimmy's costume, then comparing with Rob's yards, we see that Jimmy's costume requires (2 - 13/16 = 19/16) more yards than Rob's costume.

8 0
4 years ago
Will mark brainliest please show work
SVEN [57.7K]

Answer:

5/4

Step-by-step explanation:

7 0
3 years ago
State the excluded values for each? 70v^2/100v
sleet_krkn [62]
Ok so any number tat makes the denomenator 0 or makes the inside of a square root negative is restricted
we only have a denomenaor so
100v=0
v=0
therefor 0 is the excluded value since 0/0 doesn't make sense

6 0
4 years ago
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