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madreJ [45]
2 years ago
9

10. Use the discriminant to find the values of b for which the equation 4x2 + bx + 1 = 0 has one real solution.

Mathematics
1 answer:
il63 [147K]2 years ago
8 0

Answer:

b = 4, or -4

Step-by-step explanation:

b^2 - 4*4*1 = 0

b^2 = 16

b = 4, or -4

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yesterday Noah ran 2 1/2 miles in 3/5 hour. emily ran 3 3/4 miles in 5/6 hour. Anna ran 3 1/2 miles in 3/4 hour. how fast, in mi
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ivan has 6 times as many blue beads as red beads. he has 49 red and blue beads in all. how many blue beads does he have
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Y'all please help me! Basically just match up the points with an equation.
Len [333]
1. Y=-1/2x+1/2
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4 0
3 years ago
Please help me asap i needa pass this
Hatshy [7]

Answer:

The first 4 are correct and the last one is incorrect

Step-by-step explanation:

1. The diameter of the circle is 30.8 m ( Correct )

Radius = 15.4 so diameter is 2 times the radius which is 30.8 m

2. The circumference in terms of π is 30.8 π ( Correct )

Circumference = π × Diameter

Circumference = π × 30.8

Circumference = 30.8 π

3 . The circumference of the circle can be found using 2 × π × 15 . 4 ( Correct )

Circumference = π × Diameter

Circumference = π × 30.8

Circumference = 30.8 π

4 . The approximate circumference of the circle rounded to the nearest tenth is 96.7 m ( Correct )

Circumference = 30.8 π = 96.7610537306

5 . A little more than 6 diameters could be wrapped around the circle

( False )

Circumference = 96.7610537306

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5 0
3 years ago
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