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Katena32 [7]
3 years ago
5

Hey, can someone help me with my math homework?

Mathematics
1 answer:
Stels [109]3 years ago
7 0

aqueell ears hanan pus

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Let $z$ be a complex number such that $z^5 = 1$ and $z \neq 1.$ Compute
snow_lady [41]

Answer:

The answer is 4

Step-by-step explanation: i did it

5 0
2 years ago
Marta can vacuum the house in 30 min. It takes her daughter 45 min to vacuum the house. How long would it take them if they
Mamont248 [21]

Answer:

<h2>18mins</h2>

Step-by-step explanation:

This problem is on combined work rate

given that

Marta can vacuum the house in 30 min

then her rate= 1/30

Also, her daughter will take 45 min to vacuum the house

her  daughter's rate will be = 1/45

then the combined work rate is

1/30+1/45=1/T

30+45/30*45=1/T

75/1350= 1/T

1/18=1/T

This means that they will both take 18 minutes working together to vacum a house

8 0
3 years ago
Write (5.64)×10^-7 as a decimal​
NARA [144]

Answer:

the awnser is 0.000000564

7 0
4 years ago
Round 78482 to the nearest thousand
shtirl [24]

Answer:

78,000

Explanation:

8,000 is in the thousands place, the 4 in the hundreds place is too low to round it up to 9,000, so it gets rounded down to 78,000.

6 0
3 years ago
What is the sum of the polynomials? (9x4−13x3−x−7)+(7x3−2x+1) A.) −6x^6+9x^4−3x^2−6 B.)−6x^6+9x^4−x−8 C.)9x^4−6x^3−x−8 D.)9x^4−6
irinina [24]
(9x^4-13x^3-x-7)+(7x^3-2x+1)=
9x^4-13x^3-x-7+7x^3-2x+1=
9x^4+(-13+7)x^3+(-1-2)x-7+1=
9x^4+(-6)x^3+(-3)x-6=
9x^4-6x^3-3x-6

Answer: Option <span>D.)9x^4−6x^3−3x−6</span>
5 0
3 years ago
Read 2 more answers
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