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Alex787 [66]
3 years ago
7

PLEASE HELP !!! I’LL GIVE U BRAINLIST / CROWN !!!! please and thank youuu

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

128i^{3} -320i^{4}

Step-by-step explanation:

a^{3}b = (-4i)^{3}(-2+5i) = (-64^{3})(-2+5i) = 128i^{3} - 320i^{4}

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Subtract. Write your answer in simplest form.<br> 5/- 10/5
tigry1 [53]

Answer:

-1/10

Step-by-step explanation:

(5/(-10))/5 = -(5/10)/5 = 1/10

(Hopefully this helped you out!)

7 0
3 years ago
lan ran 24 laps in a charity run and then walked 0.2 kilometer to the presentation table the total; distance lan traveled was 29
QveST [7]

Answer:

Step-by-step explanation:

1.225km is equal to each laps

Step-by-step explanation:

Since Kristy total distance traveled = 29.6km

And Kristy ran 24 laps and later walk 0.2km. it simply implies that

Total distance traveled = distance covered running + distance covered walking

Since we know that

Total distance traveled = 29.6km

distance covered running = 24 laps

distance covered walking = 0.2km

Distance covered running in km = total distance traveled - distance covered walking

Distance covered running in km = 29.6km - 0.2km = 29.4km.

To now find the distance for each lap.

Since we have:

Distance covered running in km = 29.4km.

Distance covered running in lap = 24 laps

i.e

24 laps = 29.4km

1 lap = x

Use cross-multiple

24 laps * x = 29.4km × 1 lap

x = 29.4km / 24

x = 1.225km

Therefore

1.225km is equal to each laps.

8 0
3 years ago
I need help real quick
denis23 [38]

Answer:

B

Step-by-step explanation:

Profit is up by 233%

3 0
3 years ago
Read 2 more answers
The points (s,9) and (0, - 1) fall on a line with an undefined slope. what is the value of s?
blsea [12.9K]
Undefined slope is a vertical line so s = 0.
5 0
3 years ago
Find the quadratic equation given that the roots are 4 and 7​
artcher [175]

Answer: {−4,7} is y=x2−3x−28 y = x 2 - 3 x - 28 .

Step-by-step explanation: so all ways do y and x first

6 0
2 years ago
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