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ad-work [718]
3 years ago
13

Simplify (-4 + 5i) + 2(1 + 3i). Enter your answer in the form a + bi.

Mathematics
1 answer:
luda_lava [24]3 years ago
5 0

(-4 + 5i) + 2(1 + 3i)

  • Distribute 2 inside the parentheses.

(-4 + 5i) + 2 + 6i

  • Combine like terms.
<h3>-2 + 11i</h3>
  • is your answer.
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Write two different pairs of decimals whose sums are 8.69. one pair should involve regrouping.
Komok [63]
No regrouping: 4.34 + 4.35
Regrouping (carrying): 4.93 + 3.76
6 0
3 years ago
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Pentagon ABCDE and pentagon A’B’C’D’E are shown on the coordinate plane below:
fiasKO [112]

the first one ((x+8, y+2), r x-axis)

3 0
2 years ago
Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5
stich3 [128]

Question is ;

Complete question is;

Boston , Massachusetts, and buffalo, New York, are hit by snowstorms that last 3 days . Boston accumulates snow at a rate of 1.5 feet every 36 hours. Buffalo accumulates snow at a rate of 0.01 inches every minute.

Which city accumulates more snow in 3 days? How much more snow?

Answer:

- Boston accumulates more snow in 3 days.

- It accumulates 0.6 ft of snow more than Boston

Step-by-step explanation:

Boston accumulates 1.5 feet of snow every 36 hours.

Number of hours in 3 days = 24 × 3 = 72 hours.

Thus, In 72 hours, Boston would have accumulated; (1.5 × 72)/36 = 3 feet of snow.

Now, Buffalo accumulates 0.01 inches of snow every minute.

In 3 days, number of minutes we have = 60 × 24 × 3 = 4320 minutes

Thus, total snow accumulated in 3 days = 0.01 × 4320/1 = 43.2 inches

Now, let's convert this to ft;

12 inches = 1ft

Thus; 43.2 inches = 43.2 × 1/12 = 3.6ft

Thus, Buffalo accumulates more snow in 3 days.

It accumulates 0.6 ft of snow more than Boston

3 0
3 years ago
Please help me this is a timed test :( will mark brainliest when it pop up on my end be geniune and no scamming or links
makvit [3.9K]

Answer:quick it’s 210 (:

Step-by-step explanation:

Your welcome ask more questions if you need help good luck btw u double checked with an app thank me later

6 0
3 years ago
Read 2 more answers
4 1/3<br> What is the value of this equation?
sweet [91]

Answer:

4.33

Step-by-step explanation:

1/3=0.33 recuring

4 just eqauls 4

so you add 0.3 recuring to 4

and depending on significant figures it wants you round it ill assume it wants 3 and go 4.33

5 0
2 years ago
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