4 years ago

12k+5=k+49 what's the answer

Mathematics

1 answer:

dybincka [34]4 years ago

3 0

The answer is k=4 you're welcome

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Find the product of 9x(-3x²y-7xz)

kogti [31]

Answer:

$- 27 {x}^{3} y - 63 {x}^{2} z$

Step-by-step explanation:

$9x( - 3 {x}^{2} y - 7xz)$

$= 9x \times ( - 3 {x}^{2} y) + 9x \times ( - 7xz)$

$= - 27 {x}^{3} y - 63 {x}^{2} z$

4 0

3 years ago

Create a binomial expression and show all work using the FOIL method to multiply the two factors. help please.

anyanavicka [17]

Answer: Step 1: Multiply each term in the first binomial with each term in the second binomial using the FOIL method as shown Step 2: Combine like terms.

Step-by-step explanation:

7 0

3 years ago

Louie has 20 more than half as many baseball cards as Gerardo does. Together they have at least 350 cards.

MrRa [10]

In the question it is given that Louie has 20 more than half as many baseball cards as Gerardo does.So,
Let us assume that the number of baseball cards Gerardo has = X
Number of baseball cards that Louie has = 20 + X/2
Also the total number of baseball cards Louie and Gerardo has together is 350.
Then,
X + X/2 + 20 = 350
X + X/2 = 350 - 20
X + X/2 = 330
3X/2 = 330
3X = 330 * 2
3X = 660
X = 660/3
= 220
Number of baseball cards Gerardo has = 220
Number of cards Louie has = 130.

5 0

3 years ago

Which two expressions are equivalent to 5 x 87

loris [4]

The answers are 5 x (80 x 7) and 80 fives plus 7 fives

3 0

3 years ago

sam and james win £500 in a competition. they share the money 3:7. sam gives 35% of the money he wins to his brother, harry. how

Black_prince [1.1K]

Sam gets (500/10)*3=150<span>£
harry gets (150/100)*35= 52.5</span>£

6 0

3 years ago