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icang [17]
3 years ago
10

3-2i/5+i

+ i " alt="3 - 2i \div 5 + i " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
hammer [34]3 years ago
3 0

3-2i/5+i

\frac{3*5+(-2)*1)+(-2*5-3*1)i}{5^2+1^2}

\frac{13-13i}{26}=\frac{1-i}{2}

=\frac{1}{2}-\frac{1}{2}i

Hope this helps!

Thank you for posting your question at here on Brainly.

-Charlie

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Karita had $138.72 in her checking account. She wrote checks for $45.23 and $18.00. Then she made a deposit of $75.85 into her a
denis-greek [22]
138.72 - 45.23 - 18
These are the check costs that subtracted from her bank account
75.49 is what you get
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3 0
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Find the surface area of the composite figure. 6cm 5 cm 20cm 4cm 12cm 6cm​
Crazy boy [7]

Answer:

644 cm²

Step-by-step explanation:

Surface area of the composite figure = surface area of the large rectangular prism + surface area of the small rectangular prism - 2(area of the surface of the small rectangular prism that joins the larger prism)

✔️Surface area of the large rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 5 cm

H = 20 cm

Surface area = 2(6*5 + 6*20 + 5*20)

= 500 cm²

✔️Surface area of the small rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 4 cm

H = 12 cm

Surface area = 2(6*4 + 6*12 + 4*12)

= 288 cm²

✔️area of the surface of the small rectangular prism that joins the larger prism = L*W

L = 12 cm

W = 6 cm

Area = 12*6

= 72 cm²

✅Surface area of the composite figure = 500 + 288 - 2(72)

= 644 cm²

7 0
3 years ago
Can I get some help with this one please
Amiraneli [1.4K]
Use 0 as the y value then solve for x. answer: 3
6 0
3 years ago
How long is the hypotenuse of a right triangle with an 8 cm leg and a 15 cm leg?
vichka [17]

Step-by-step explanation:

Hypotenuse² = (Leg 1)² + (Leg 2)²

= (8)² + (15)² = 289

Hence the hypotenuse is 17cm.

8 0
3 years ago
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