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cricket20 [7]
3 years ago
9

Solve using the quadratic formula. (Identify a, b, and c. Write the formula. Show the substitution step. Show all work.)

Mathematics
2 answers:
Tanya [424]3 years ago
8 0

Answer:

a = 2, b = 3, c = -27, solution p = 3 and -4.5

Step-by-step explanation:

Rearrange the equation get: 2p^2 + 3p -27 =0, then use formular [2a +- root(b^2 - 4ac) ] / 2a, substitute all the values in, can get p =3 and -4.5. You can check by substitute p = 3 and -4.5 into the original equation.

If it is helpful, plz give me Brainliest.

Vinvika [58]3 years ago
3 0

Answer:

3

Step-by-step explanation:

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4 years ago
13) The diameter of a plant cell is 1.26 m and the length of a bacterium is 5.1 m. Compare their diameters. (WILL MARK BRANLIEST
kolezko [41]

Answer:

The diameter of the bacterium is 4.05 times the diameter of the plant cell

Step-by-step explanation:

The given parameters both represent diameters

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First write out both expressions:

P = 1.26

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4 years ago
The formula to convert Fahrenheit to Celsius is C=5/9(F-32). Convert 30c to Fahrenheit. Round to the nearest degree
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Answer:

86 degrees farenheit

Step-by-step explanation:

First, we plug 30 in for C.

Next, solve for F

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3 years ago
What is a percent? Doesn't it mean a fraction out of 100?
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4 years ago
Read 2 more answers
I have lots of math questions and I need help!
ad-work [718]
The two angles shown are vertical angles. They form when you cross two lines. They are opposite one another. Note: They don't have to be vertically up and down in relation to each other. It's possible to have them horizontally side by side like this.

So because they are vertical angles, they are congruent. This means they are equal in measure

x+90 = 4x
x+90-x = 4x-x
90 = 3x
3x = 90
3x/3 = 90/3
x = 30

Therefore the answer is choice C) The value of x is x = 30

We can check it by plugging this into the original equation above
x+90 = 4x
30+90 = 4*30
120 = 120
our answer checks out

3 0
3 years ago
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