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3 years ago

Standard to factored form

Mathematics

1 answer:

Maksim231197 [3]3 years ago

7 0

Step-by-step explanation:

Standard form is ax^2 + bx + c. Vertex form is a(x-h)^2 + k, which reveals the vertex and axis of symmetry. Factored form is a(x-r)(x-s), which reveals the roots.

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Degger [83]

Let x = pounds of $12 per pound coffee

then

20-x = pounds of $9 per pound coffee

12x + 9(20-x) = 10(20)

12x + 180 - 9x = 200

3x + 180 = 200

3x = 20

x = 20/3

x = 6 and 2/3 pounds of $12 per pound coffee

Amount of $9 per pound coffee:

20-x = 20-20/3 = 60/3 - 20/3 = 40/3

13 and 1/3 pounds of $9 per pound coffee

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3 years ago

Jason observed a large art sculpture in a local park and wanted to know its height, but the sculpture was much taller than he co

ZanzabumX [31]

The art sculpture was 70 inches aka 5.9feet tall and if we round it well it would be 6feet so that would be its highest piont

6 0

3 years ago

Read 2 more answers

Someone help on number 5 please

babunello [35]

the answers are as follows C B F

5 0

2 years ago

.Calculate the time in which ₦1,500 will amount to ₦9,000 at 20% per annum.

katovenus [111]

Answer:

30 yrs

Step-by-step explanation:

SI = PRT/100

T = I × 100/PR

= 9000×100/1500×20

= 900000/30000

= 30 yrs

3 0

3 years ago

In 2006, the population of the country was 30.4 million. This represented an increase in population of 7.6 % since 2001. What w

Molodets [167]

Answer:

28.25 million

Step-by-step explanation:

Population of the country:

in 2001 - x million
in 2006 - 30.4 million

Population of the country as percent:

in 2001 - 100%
in 2006 - 100% + 7.6% = 107.6%

Write a proportion:

$\dfrac{x}{30.4}=\dfrac{100}{107.6}$

Cross multiply:

$107.6\cdot x=30.4\cdot 100$

Divide by 107.6:

$x=\dfrac{30.4\cdot 100}{107.6}=\dfrac{3,040}{107.6}\approx 28.25$

6 0

3 years ago