2 years ago

What is the product of (5-2i)(3+i)

Mathematics

1 answer:

zvonat [6]2 years ago

3 0

The is the answer on my paper:

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siniylev [52]

Answer:

Slant height (s)= 12.1 cm

Step-by-step explanation:

Given: Base= 4.5 cm.

Surface area of right square pyramid= 129.5 cm.

First, calculating slant height (s) of right square pyramid.

Surface area of square pyramid= $(a^{2} +2\times a\times s)$

a= side of square base.

s= slant height

∴ $129.5= (4.5^{2} + 2\times 4.5\times s)$

⇒ $129.5= (20.25+2\times 4.5\times s)$

⇒ $129.5= (20.25+9\times s)$

Now, opening the parenthesis and subtracting both side by 20.25.

⇒ $109.25=9\times s$

cross multiplying both side

∴ Slant height (s)= 12.1

5 0

3 years ago

For the function y = -2x + 20, what is the output when the input is 50.

Irina18 [472]

Answer:

y = -2(50) + 20

y = -100 + 20 = -80

7 0

3 years ago

8. Bir sınıftaki öğrenciler sıralara ikişerli oturduğunda 3 öğrenci

Mrrafil [7]

Answer:

cvp B çünkü o iki kavram birbiriyle eşit

4 0

2 years ago

Puteti sa ma ajutati va rog? Vreau solutii cu explicatie elaborata, nu doar raspunsul. Multumesc.

almond37 [142]

I don’t speak Spanish but if you put the English trans in the comments I’d love to answer

6 0

2 years ago

Please help!! Use cube root to solve. Will give brainliest!!

marissa [1.9K]

Answer: x=-17

Step-by-step explanation: Divide by -1 then add 8 to both sides and get (x+9)^3=-512, and the cube root of -512 is -8, so x+9=-8, and subtracting 9 from both sides we get x=-17 as answer.

4 0

2 years ago