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puteri [66]
4 years ago
8

Use the quadratic formula to solve for x. 4x2 - 6x=-1

Mathematics
1 answer:
Charra [1.4K]4 years ago
4 0

Answer:

x=3/4+1/4√5 or x=3/4+(-1/4)√5

Step-by-step explanation:

Step 1: Subtract -1 from both sides

For this equation: a=4, b=-6, c=1

Step 2: Use quadratic formula with a=4, b=-6, c=1.

HOPE IT HELPS:)

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3 0
3 years ago
The wheels of a monster truck are 66 inches tall. Find the distance the monster truck travels when the tires make one 360-degree
LuckyWell [14K]

Answer:

<u>207.35 inches</u>

Step-by-step explanation:

The wheel is in the shape of circle. The height, here, basically gives the diameter.

So,

Diameter = 66 in

Radius is half of diameter, so radius is:

66/2 = 33 inches

r = 33

Now, the distance truck travels when 1 rotation is made is the length of the perimeter of the circular wheel, or the circumference.

The formula is:

C=2\pi r

Where C is circumference

r is the radius

Substituting, we get the answer as:

C=2\pi r\\C=2\pi (33)\\C=66\pi\\C=207.35

The distance covered is about <u>207.35 inches</u>

3 0
3 years ago
Write 68,127,000,000,000,000 in scientific notation. (x10^​
Alexeev081 [22]

Answer:

6.8127 × 10^16

Step-by-step explanation:

Hope this helps:)

7 0
3 years ago
Read 2 more answers
Can you please help I don’t understand
Ludmilka [50]

Answer:

( -4 , -4 )

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Miguel saved $355 in 5 weeks. He saved equal amounts of money each week. How much money would he save in 15.5 weeks ?
Andrei [34K]

Answer:

A

Step-by-step explanation:

$355:5

$355 divided by 5=$71

5 divided by 5=1

$71 per week

$71x15.5=$1,100.50

$1,100.50 in 15.5 weeks

7 0
3 years ago
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