4 years ago

8. 2x2 + 3x when x = 3

Mathematics

2 answers:

jeyben [28]4 years ago

8 0

Answer:

Step-by-step explanation:

2×2=4+3(3)=4+9=13

chubhunter [2.5K]4 years ago

4 0

Answer:

Step-by-step explanation:

Substitute x = 3 into the expression

2(3)² + 3(3) = 2(9) + 9 = 18 + 9 = 27

You might be interested in

Solve for the value of x 1+6.9x=-1.8+5.9x

Vladimir79 [104]

Answer:

x=-2.8

Step-by-step explanation:

$1+6.9x=-1.8+5.9x\\\\1-1+6.9x=-1-1.8+5.9x\\\\0+6.9x=-2.8+5.9x\\\\6.9x=-2.8+5.9x\\\\6.9x-5.9x=-2.8+5.9x-5.9x\\\\1x=-2.8+0\\\\x=-2.8$

7 0

3 years ago

Cual es el resultado de de esta ecuacion con valor obsoluto <br><br> | x + 1 | = | x - 5 |

Lisa [10]

Answer:

Well the absolute vaule will allways be postive. Therefore the answer being 2. I Think.

Step-by-step explanation:

6 0

3 years ago

Sarah spent a total of $7.25 on 8 apples and a packet of grapes. If a packet of grapes cost $2.85, how much did each apple cost?

Novosadov [1.4K]

$0.55 Cents per apple
Hope this helps

7 0

3 years ago

caitlin got a haircut that cost 42.30 she tipped the stylist 8.46. What percent did she tip the stylist?

Julli [10]

Answer:

ok so we need to find the percent so

8.46 divided by 42.3=0.2

she she tipped 20%

Hope This Helps!!!

5 0

3 years ago

Please read the picture and help

damaskus [11]

Answer:

A.) (-4,-2)

Step-by-step explanation:

Because the lines intersect

6 0

3 years ago

8. 2x2 + 3x when x = 3​

8. 2x2 + 3x when x = 3