3 years ago

A1 B2 C3 D4 what is it

Mathematics

1 answer:

Sonja [21]3 years ago

5 0

I believe four is the right answer to the problem

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Simplify the expression to a + bi'form: (1 - 5i)(5 +6i)

lions [1.4K]

$(1 - 5i)(5 + 6i) \\ = 5 + 6i - 25i - 30 {i}^{2} \\ = 5 - 19i + 30 \\ = 35 - 19i$

I hope I helped you^_^

7 0

2 years ago

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Solve 3(x +15) ≤5(x+2) + 15

belka [17]

Answer:

x≥5

Step-by-step explanation:

3(x+15)≤5(x+2)+15

3x+45≤5x+10+15

3x+35≤5x+25

3x-5x≤25-35

-2x≤-10

x≥5

{x:xEx:6,7,8,9,10....}

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3 0

3 years ago

I need big help, what are the step by step math problem and the answer to (18/-2)^2?

Serggg [28]

Hii :))

$\tt \: ( \frac{18}{ - 2} ) ^{2} \\ \tt \: = (- \frac{18}{2} ) ^{2} \\ \tt = \frac{-18 \times -18}{-2 \times -2} \\ = \tt \frac{324}{4} \\ = \boxed{\tt\:81}$

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$\overbrace{ \underbrace{ \sf \: \infty \: Carry \: on \: Learning \: \infty }}$

ᴛʜᴇᴇxᴛʀᴀᴛᴇʀᴇꜱᴛʀɪᴀʟ

8 0

3 years ago

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Find the diameter, rounded to the nearest tenth. a) 55.5 b) 68.2 c) 60.7 d) 49.1

docker41 [41]

Answer:

D 49.1

Step-by-step explanation:

Hope it helps

have a great day

3 0

3 years ago

5x + 3y = 4z Solve for Y.

harkovskaia [24]

Answer:

y = -5/3x + 4/3z

Step-by-step explanation:

5x + 3y = 4z

3y = -5x + 4z

y = -5/3x + 4/3z

6 0

3 years ago

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