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3 years ago

What are two numbers that give you the difference of 2 and a sum of 84?

Mathematics

1 answer:

Archy [21]3 years ago

3 0

Answer:

41 + 43? I think

Step-by-step explanation:

41 + 43 = 84

43 - 41 = 2

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If S (3,-4) is translated 5 units left and 3 units up, what is the ordered pair of S?

sleet_krkn [62]

Answer:

(-2,-1)

Step-by-step explanation:

3-5=-2

-4+3=-1

6 0

4 years ago

Could negative two be used as a base to rewrite 32? 64?

Nataly [62]

$32=2^5-NO\ because\ (-2)^5=-32\\\\64=2^6-YES\ because\ (-2)^6=64$

6 0

3 years ago

(3-4i)(6i+7)-(2-3i)

Sergeu [11.5K]

Answer:

43-7i

Step-by-step explanation:

We are given the expression:

$\displaystyle \large{(3 - 4i)(6i + 7) - (2 - 3i)}$

First, expand 3-4i in 6i+7. To expand binomial with binomial, first we expand 3 in 6i+7 then expand -4i in 6i+7.

$\displaystyle \large{[(3 \cdot 6i) + (3 \cdot 7) + ( - 4i \cdot 6i) + ( - 4i \cdot 7)]- (2 - 3i)} \\ \displaystyle \large{[18i + 21 - 24 {i}^{2} - 28i]- (2 - 3i)}$

Now combine like terms.

$\displaystyle \large{[ - 10i+ 21 - 24 {i}^{2} ]- (2 - 3i)}$

Imaginary Unit

$\displaystyle \large{i = \sqrt{ - 1} } \\ \displaystyle \large{ {i}^{2} = - 1 }$

Therefore:-

$\displaystyle \large{[ - 10i+ 21 - 24 ( - 1) ]- (2 - 3i)} \\ \displaystyle \large{[ - 10i+ 21 + 24]- (2 - 3i)} \\ \displaystyle \large{[ - 10i+ 45]- (2 - 3i)}$

Then expand negative sign in 2-3i; remember that negative times negative is positive and negative times positive is negative.

$\displaystyle \large{- 10i+ 45 - (2 - 3i)} \\ \displaystyle \large{- 10i+ 45 - 2 + 3i}$

Combine like terms.

$\displaystyle \large{43 - 7i}$

5 0

3 years ago

Anyone know how to answer this? Help if u do please!

Inga [223]

A- It will be smaller, because we're finding a part of a number, and it's no more than 100 percent.
B- It would be greater. It's more than 100 percent, which accounts for the whole value, and goes even more.
Hope this helps!

8 0

3 years ago

Read 2 more answers

How many ft are in 2mi

Harman [31]

Answer:

10560 ft

Step-by-step explanation:

1 mi = 5280 ft

5280 ft * 2 = 10560 ft

7 0

3 years ago