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navik [9.2K]
3 years ago
12

What is the value of p?

Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0

Answer:

B. 50

Step-by-step explanation:

140 - 90 = 50

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Please help me with my math if you could explain that would be even better
Dmitriy789 [7]

Answer: 2x(5x+4x-3)

             10x squared + 8x squared -6x

7 0
3 years ago
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If f(x)=2x²+5√(x-2) , complete the following statement: f(3)=___
aliya0001 [1]
F(x)=2x²+5√(x-2)

f(3)=2(3)²+5√(3-2)
= 2 (9) + 5√1
= 18 + 5
= 23.
4 0
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Plzzzz help!! Ive been stuck on this for a <br> While thank you so much in advance!
snow_tiger [21]

Answer:

392.5‬     terms of pi = 125π

Step-by-step explanation:

V = πr²h

V = 3.14 x 5² x 5

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V = 3.14 x 125

V = 392.5‬

If its terms of pi it should be 125π

5 0
3 years ago
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Determine and describe the ​number​ and ​type​ of roots of the quadratic functions. Show any and all work necessary to determine
algol13

Answer:

See explanations below

Step-by-step explanation:

The root of a quadratic equation is determined by its discriminant

D = b²-4ac

If D > 0, the roots are real and unique

If D < 0, the roots are complex

If D= 0, the roots are real and equal

a) For the quadratic equation

y=3x^2+7x+8

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 3,  b = 7 and c = 8

Get the discriminant

D = 7²-4(3)(8)

D = 49 - 96

D = -47

Since the discriminant value is less than 0, hence the roots are complex roots

b) For the quadratic equation

y=2x^2-7x-2

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 2,  b = -3 and c = -2

Get the discriminant

D = (-3)²-4(2)(-2)

D = 9 + 16

D = 25

Since the discriminant value is greater than 0, hence the roots are real and unique.

c) For the quadratic equation

y=9x^2+30x+25

Since the highest degree of the equation is 2, hence the equation will have 2 roots

From the equation, a = 9,  b = 30 and c = 25

Get the discriminant

D = 30²-4(9)(25)

D = 900 - 900

D = 0

Since the discriminant value is equal to 0, hence the roots are complex real and equal

7 0
3 years ago
A rectangle has the length of
dangina [55]

Answer:

\large\boxed{C.\ 9\ inches\ squared}

Step-by-step explanation:

\text{Use}\\\\a^\frac{m}{n}=\sqrt[n]{a^m}\\\\a^n\cdot a^m=a^{n+m}\\-----------------\\\\length=\sqrt[3]{81}=\sqrt[3]{3^4}=3^\frac{4}{3}\\\\width=3^\frac{2}{3}\\\\\text{The area of a rectangle:}\ A=width\cdot length.\\\text{Substitute:}\\\\A=3^\frac{4}{3}\cdot3^\frac{2}{3}=3^{\frac{4}{3}+\frac{2}{3}}=3^{\frac{4+2}{3}}=3^\frac{6}{3}=3^2=9

8 0
3 years ago
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