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3 years ago

I need help r yall gonna help me

Mathematics

1 answer:

slava [35]3 years ago

7 0

Do you need to use SOH-CAH-TOA??

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Use the quadratic formula to solve x² + 9x + 10 = 0. What are the solutions to the equation?

jok3333 [9.3K]

Answer:

$-1.30\ and\ -7.70$ (2 decimal places)

Step-by-step explanation:

Quadratic Formula: $x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

-----------------------------------------------

$x^2+9x+10=0$

Plug in values:

$x=\frac{-9\pm \sqrt{9^2-4\cdot \:1\cdot \:10}}{2\cdot \:1}$

First value of x:

$x=\frac{-9+\sqrt{41}}{2}=-1.30$ (2 decimal places)

Second value of x:

$x=\frac{-9-\sqrt{41}}{2}=-7.70$ (2 decimal places)

6 0

2 years ago

What is the answer now?

wariber [46]

Answer:

Step-by-step explanation:

7 0

2 years ago

Rewrite 40 1/4 as a decimal

Radda [10]

40.25 is 40 1/4 as a decimal

8 0

3 years ago

Please help If you can! I'm doing Math! and I need some help!

Kisachek [45]

Answer:

x ≈ 370

Step-by-step explanation:

3 0

2 years ago

Which place is the better but

lawyer [7]

Answer:

Stop and Save

Step-by-step explanation:

Find the cost of one apple in each place.

Quick Market:

Divide the total cost with the amount of apples:

1.08/3 = 0.36

The cost for one apple in quick market is $0.36

Stop and Save:

Divide the total cost with the amount of apples:

1.10/5 = 0.22

The cost for one apple in Stop and Save is $0.22

-----------------------------------------------------------------------------------------

$0.22 < $0.36 ∴ Stop and Save is cheaper than Quickmarket by $0.14, making Stop and Save your answer.

3 0

3 years ago

Read 2 more answers