MATHEMATICS HIGH SCHOOL

What is f(x)=x2-5 btw that 2 is square

Answers

Answer 1
Answer:

Answer:

sqrt 5 = 2.23606798

Step-by-step explanation:

Thank you for telling us the 2 is squared that really helps!

x^2 - 5 = 0

(add 5 both sides)

x^2 = 5

(sqrt both sides) (sqrt stands for square root)

x = sqrt 5

(Usally they just want sqrt 5 as an answer but if they want decimals its)

x = 2.23606798
Answer 2
Answer:

Answer:

x=√(5)

Step-by-step explanation:

f(x)=x^(2)-5

x^(2)-5=0

Add 5 to both sides.

x^(2)=5

To get rid of the square of x, put the square root thingie so that it will cancel out. BTW, if you put it on one side, you have to put it on the other side.

\sqrt{x^(2) }=√(5)

x=√(5)

Hope this helps! Plz give brainliest!

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Determine which of these does NOT illustrate two quantities that combine to make 0.A) Jane collects 12 seashells and then loses 12.
B) Sharon lost 8 pounds and then gained 10 pounds.
C) A business's profit if its income is equal to its expenses.
D) Frank wins five dollars and pays back a $5 debt to a friend.

Answers

B) Sharon lost 8 pounds and then gained 10 pounds.

A) 12-12=0

B) -8+10=2

C) Profit=Income-Expenses

D) 5-5=0
B) Sharon lost 8 pounds and then gained 10 pounds. Your welcome

If I have a cylinder, the radius is 9.3 ft and the height is y, the volume of the whole thing is 3000ft, then what does y equal?

Answers

Answer:

Step-by-step explanation:

r = 9.3 ft

h = y ft

Volume = 3000 ft

πr²h = 3000

3.14 * 9.3 *9.3 * y = 3000

y = (3000)/(3.14*9.3*9.3)\n\n

y = 11.05 ft

What is the solution to the quadratic equation 8m^2+7m-15=-7 ?

Answers

make equal to zero
add7 both sides
8m^2+7m-8=0
quadratic fomrula

if you have
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^(2)-4ac} }{2a}

8m^2+7m-8=0
a=8
b=7
c=-8

x=\frac{-7+/- \sqrt{7^(2)-4(8)(-8)} }{2(8)}
x=(-7+/- √(49+256) )/(16)
x=(-7+/- √(305) )/(16)

x=(-7+ √(305) )/(16) or x=(-7- √(305) )/(16)

aprox
x=-1.52902 or 0.654016

Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (3x – 4) feet, (x2 – 1) feet, and (2x2 – 15) feet. What is the perimeter of the triangle if x = 4?

Answers

Given:
edge 1 = 3x - 4
edge 2 = x² - 1
edge 3 = 2x² - 15

perimeter if x = 4

edge 1 = 3(4) - 4 = 12 - 4 = 8
edge 2 = 4² - 1 = 16 - 1 = 15
edge 3 = 2(4²) - 15 = 2(16) - 15 = 32 - 15 = 17

Perimeter = 8 + 15 + 17 = 40 feet.

Answer:

40 feet

Step-by-step explanation:

Express 0.77230.77230, point, 7723 as a fraction

Answers

Answer:

7723/10000

Step-by-step explanation:

its cost 50 to make a bracelet and 1$ to make a necklace to make a profit the total cost for bracelets and necklaces must be less than 10$ the jeweler can make no more than 14 pieces of jewelry each day write a system of inequalities to model the number of bracelets and necklaces to be made each day

Answers

b + n ≤ 14 and .50b + 1n < 10 This is because the total number of bracelets added to the total number of necklaces made each day must be less than or equal to 14. Also, the price of each bracelet (.50b) added to the price of each necklace (1n) must be less than $10.
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