3 years ago

PLEASE HELP!!! DONT IGNORE ME!!!

1 answer:

5 0

1. 2x^2-x-15=0
A = 2
B = -1
C = -15

2. 10^2-2x=0
A = 10
B = -2
C = 0

3. x^2–3x-40=0
A = 1
B = -3
C = -40

4. x^2+3x-2=0
A = 1
B = 3
C = -2

5. 4x^2-17x+8=0
A = 4
B = -17
C = 8

Remember the equations should look like Ax^2+Bx+C=0 (in this order!!)

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Please help me!! Lots of love!!

Marizza181 [45]

Answer:

D) 2

Step-by-step explanation:

write 8 in exponential form which is 2^3

now simplyfy the root which equals 2

2 is the answer.

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3 years ago

1/2 of 4/3= 1/2 of __ third(s)=__third(s)<br>

OverLord2011 [107]

Answer:

$\frac{8}{3}$

Step-by-step explanation:

$\frac{1}{2}$ of $\frac{4}{3}$ means $\frac{4}{3}$ ÷ $\frac{1}{2}$

$\frac{4}{3}$ ÷ $\frac{1}{2}$

$\frac{4}{3} *\frac{2}{1} \\\frac{8}{3}$

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3 years ago

What is the volume of a cone with a radius of 6cm and a height of 12cm?

kompoz [17]

Answer:

The answer is 452.16 cm³.

Formula to calculate the volume of cone = V = πr²x h/3

Now r = 6 cm and h = 12cm, and value of π = 3.14

By putting the values,

V = (3.14) (6)² (12/3) = (3.14)(36)(4)

5 0

3 years ago

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Simplify<br> 6(-5n + 7 thank you

Studentka2010 [4]

Answer:

-30n + 42

Step-by-step explanation:

6( -5n + 7)

-30n + 42

Hope this helps!

6 0

3 years ago

Deena drive 585 miles in 9 hours Kristen drove 605 in 11 hours who drove the faster rate

Lady bird [3.3K]

Deena drove:
585 miles/9 hrs
....which means
her average rate was:
65miles/hour

whereas

Kristen drove:
605 miles/11 hrs
....meaning
her average rate was:
55 miles/hour

Therefore, Deena drove at a faster rate than Kristen

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3 years ago

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