2 years ago

Expression A: (2k + 8) + (5k + 10)

Mathematics

1 answer:

Dmitriy789 [7]2 years ago

5 0

k = 3

Expression A:

$(2k + 8) + (5k + 10) = 2k + 8 + 5k + 10 = 7k + 18 = 7*3 + 18 = 21 + 18 = 39$

Expression B:

$76 + 18= 94$

You might be interested in

When a number is decreased by 4%, the result is 93. What is the original number

romanna [79]

Answer:

The original number is 96.875

Step-by-step explanation:

Let's find the original number using the Direct Rule of Three, this way:

Percentage Number

100 x

96 93

***********************************************

96x = 93 * 100

96x = 9,300

x = 9,300/96

x = 96.875

The original number is 96.875

7 0

3 years ago

Add the polynomials. (3x3 - 3x2 - 4x + 9) +(6x2 +7x - 5)

bixtya [17]

Answer:

3x +19

Step-by-step explanation:

(9-6-4x+9)+(12+7x-5)

(12-4x)+(7+7x)

3x+19

6 0

2 years ago

How can you you tell when a pattern shows counting on by tens

astraxan [27]

You can ise repeated reasonings

6 0

3 years ago

.Joline collects hockey cards.

shusha [124]

Answer:

25 Cards

Step-by-step explanation:

If 5 cards is 20% and you only need 5 more then that means you have the other 80%. So you 20 80/20 which is 4. Then do 4x5=20 then add the 5 you still need.

3 0

3 years ago

Which are the correct classifications for the polygon?

Bezzdna [24]

Answer:

The answer is Convex Hexagon I took the quiz

Step-by-step explanation:

4 0

3 years ago