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Zigmanuir [339]
2 years ago
15

The absolute value of 4 + 7i is equal to the square root of DONE

Mathematics
1 answer:
leva [86]2 years ago
8 0

Answer:

radical 65

Step-by-step explanation:

4+7 are squred and under a radical bar

4^2 +7^2= 16 +49 under radical bar

radical 16+49=radical 65

good luck

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3 years ago
Which of the following is equivalent to - 2 + 3y = -6?
scZoUnD [109]

Answer:

Can you explain to me what x is?

6 0
2 years ago
If <br>a+e = 11<br>a²-f=15<br>f+c=6<br>c×a-e=13<br>what is the value of the variables​
CaHeK987 [17]

Answer:

a=4

c=5

e=7

f=1

Step-by-step explanation:

the simplest method would be to start with a(2)"squared" (being '4' as this will get you closest to 15. So 16 -1 (being 'c') = 15. now plug those into the other equations and work the other numbers out.

8 0
3 years ago
Greg buys 60 garden plants at a cost price of $2.00 each to sell in his shop. He sells 25 of them at the profit of 75% and 18 of
fomenos

Answer:

  • $43.30 profit

Step-by-step explanation:

<u>Total cost of plant:</u>

  • 60*2 = 120

<u>Greg makes total of:</u>

  • 25*(2 + 0.75*2) + 18*(2 + 0.35*2) + (60 - 25 - 18)*2*4/5 = 163.3

<u>Since Greg mare than cost, he has a profit and the amount is:</u>

  • 163.3 - 120 = 43.3
4 0
2 years ago
Question 6 of 10
Andreas93 [3]

Answer:

C. 31.64

Step-by-step explanation:

23 = sin(36) × Hypotenuse

Hypotenuse is the baseline between the angles 36° and 54°.

Hypotenuse = 23/sin(36)

x = cos(36) × Hypotenuse

x = cos(36) × 23/sin(36) = cos(36)/sin(36) × 23 =

= 1/tan(36) × 23 = 23/tan(36) = 31.63686382... ≈

≈ 31.64

5 0
1 year ago
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