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3 years ago

Help ASAP please both questions

Mathematics

1 answer:

LiRa [457]3 years ago

7 0

Both should be yes..there is exactly one x input for every y input

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4/1 sqrt3-sqrt2 rationalize?

Triss [41]

$\dfrac{4}{\sqrt3-\sqrt2}=\dfrac{4}{\sqrt3-\sqrt2}\cdot\dfrac{\sqrt3+\sqrt2}{\sqrt3+\sqrt2}=\dfrac{4(\sqrt3+\sqrt2)}{(\sqrt3)^2-(\sqrt2)^2}\\\\=\dfrac{4\sqrt3+4\sqrt2}{3-2}=4\sqrt3+4\sqrt2$

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2 years ago

Find the missing value. (√24-√k)(√24+√k)=5

Anna [14]

Answer:

k = 19

Step-by-step explanation:

Identity

(a + b)(a - b) = a² - b²

Simplifying the LHS (Left Hand Side)

(√24-√k)(√24+√k)
(√24)² - (√k)²
24 - k

Equating to the RHS

24 - k = 5
k = 24 - 5
k = 19

4 0

2 years ago

Read 2 more answers

The sum of three times a and four is the same as five yimes a?

Umnica [9.8K]

$\text{the sum of three times a and four}:3a+4\\\\\text{five times a}:5a\\\\The\ equation:\\\\3a+4=5a\qquad\text{subtract 3a from both sides}\\\\4=2a\qquad\text{divide both sides by 2}\\\\2=a\to\boxed{a=2}$

7 0

2 years ago

Dave's favorite baseball team has won 10 fewer games than Kimiko's favorite baseball team. Write an algebraic expression for the

DIA [1.3K]

Answer:

D = K-10

Step-by-step explanation:

Let the number of games won by Dave's favourite basketball team be D and Kimiko's be K.

D + 10 = K

therefore,

D = K-10

Topic: Algebraic equations

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

7 0

2 years ago

Find the values of x and y

taurus [48]

Answer:

x = 43°

y = 32°

Step-by-step explanation:

None

7 0

2 years ago

Read 2 more answers