2 years ago

If y = x2 + x -1, find y if x = 3. y =

Mathematics

2 answers:

marishachu [46]2 years ago

8 0

Answer:

y=3

Step-by-step explanation:

y = 3x2 + 3x-1

y = 6 + -3

y = 3

Sati [7]2 years ago

6 0

Answer:

y=8

Step-by-step explanation:

y=2x+x-1

replace x with 3

y=2(3)+(3-1)

y=6+2

y=8

You might be interested in

ONLY ANSWER IF YOU KNOW IT PLS ILL GIVE THE CORRECT BRAINLIEST!

Bas_tet [7]

Answer:

y=5

Step-by-step explanation

just sub in for x

Y=10-5

7 0

3 years ago

Andy spun the spinner 30 times. The spinner landed on the orange section 10 times. What is the

mel-nik [20]

The probability is 1/3 or 10/30 that it will lab on orange agin

3 0

3 years ago

Landon and Vanessa are at an arcade. Landon scored 48,827 points on a video game. Vanessa scored 62,919 on the same game. What w

DochEvi [55]

Answer: 111,746 points

Step-by-step explanation: To find there combined score add Landon's points and Vanessa's arcade points together.

48,827 + 62,919 = 111,746 total arcade points.

6 0

3 years ago

I need answers 1-7 this is geometry /algebra

Karolina [17]

Answer:

hope this helps you out good luck

4 0

3 years ago

I need help plzzzzz help im time so i need it quick plzzzz

Gnom [1K]

<h3> - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - </h3>

➷ You have to use pythagoras' theorem to find the diameter.

$c^{2} = a^{2} +b^{2}$

$c^{2} =6^{2} +6^{2}$

$c^{2} =72$

$c=\sqrt{72}$

➶Hope This Helps You!

➶Good Luck :)

➶Have A Great Day ^-^

↬ Hannah ♡

8 0

3 years ago