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3 years ago

NEED HELP ASAP!

Mathematics

1 answer:

Bess [88]3 years ago

4 0

Answer:

p ^ q

I promise you this is right but it's quite long to explain.

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Let E=IR be the formula for voltage in a circuit, where E = volts, I =

Varvara68 [4.7K]

Answer:

The answer is ohms=4

Step-by-step explanation:

substitute the letters with numbers and solve:

E=IR

12=I 3

12/3=4

3 0

3 years ago

Fred and Frank play a game. Fred picks an even number X and asks Frank to add all even numbers between 0 and X (inclusive) as fa

TiliK225 [7]

Answer:

The even numbers between 0 and X represents an arithmetic sequence with a common difference of 2

The rule of arithmetic sequence = a + d(n - 1)

Where a is the first term and n is the number of terms

So, for the even numbers between 0 and X

The first term = a = 0

d = 2

So, we need to find n at the last term which is X

∴ X = 0 + 2 ( n -1 )

∴ n - 1 = X/2

∴ n = X/2 + 1

The sum of the arithmetic sequence = (n/2) × (2a + (n−1)d)

Substitute with a and d and X

So, the sum = (n/2) * (2*0 + (n−1)*2)

= (n/2) * ((n−1)*2)

= n(n-1)

= (X/2 + 1) * (X/2)

= X/2 by (X/2 + 1)

So, The quick way to add all even numbers between 0 and X always works.

8 0

4 years ago

Multiply and simplify the product. (3 – 5i)(–2 + 4i) Select the product.

garri49 [273]

Answer:

-20i^2 + 22i - 6

Step-by-step explanation:

(3 - 5i)(-2 + 4i) = -6 + 10i + 12i - 20i^2 = -20i^2 + 22i - 6

if you want to go further,

-20i^2 + 22i - 6 = -2(10i^2 - 11i + 3)

6 0

3 years ago

Read 2 more answers

/: I am at home.

Masja [62]

This is a Logic Problem. So we need to use operators to solve this problem. There are several operators in logic. Operators can be monadic or dyadic. A monadic operator operates on a single simple statement. Other operators will all be dyadic operators because they operate on two simple statements. So in this problem we have the following operators:

1. The negation operator:

Symbol: ~
Symbol name: Tilde
Parts of negation: A simple statement with a tilde preceding it

2. Conjunction:

Symbol: &
Symbol name: Ampersand
Parts of conjunction: Two simple statements joined by the conjunction symbol.

So we can name the statements as follows:

A: I am at home
B: I am playing video games

So the translations is as follows:

~(A&B) = It is not the case that I am at home and am playing video games

4 0

3 years ago

The lengths of the sides of triangle XYZ are written in terms of the variable m, where m ≥ 6.

ankoles [38]

Answer:

$m\angle Y$