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3 years ago

Use the discriminat to describe the roots of each equation. Then select the best description 16x^2+8x+1=0

Mathematics

1 answer:

astra-53 [7]3 years ago

7 0

Answer:

Step-by-step explanation:

Discriminant= 8^2-4(16)(1)

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Estimate √38.7 to the nearest integer

Murljashka [212]

Well 6^2 is 36 so my best estimate is 6

7 0

3 years ago

Read 2 more answers

Solve for y: 3d = 7y + 5

pogonyaev

Answer:

d = $\frac{7y+5}{3}$

Step by step explanation:

3d = 7y+5

Divide both sides by 3

$\frac{3d}{3}$ = $\frac{7y}{3}$ + $\frac{5}{3}$

Simplify

$\frac{7y+5}{3}$

7 0

2 years ago

If the diameter of a circle is half of a yard, then its radius is how many inches?

Ber [7]

First of all we need to realize that half of a yard is as much as 18 inches. If a diameter of the circle is 18 inches, then its radius is 18 ÷ 2 = 9 inches.

6 0

3 years ago

Plz help

juin [17]

We know that the form of line passing through point (x₀ , y₀) and having slope m is : y - y₀ = m(x - x₀)

Here the line passes through the point (-2 ,9)

x₀ = -2 and y₀ = 9 and Given : Slope(m) = -14

Equation of the line :

⇒ y - 9 = -14(x + 2)

3rd Option is the Answer

3 0

3 years ago

3 3/8 divided by 3/4 using cross multiplication algorithm

Bogdan [553]

Answer

3 3/8 ÷ (3/4) = (9/2) = 4 ½

Explanation

We are asked to evaluate 3 3/8 divided by 3/4 using cross multiplication algorithm.

The algorithm will need us to put the mixed fraction in definite fraction form (improper fraction) and to evaluate the division, we change the division sign into multiplication sign and the fraction after the division sign changes into its reciprocal.

3 3/8 = (27/8)

(3 3/8) ÷ (3/4)

= (27/8) ÷ (3/4)

$\begin{gathered} \frac{27}{8}\div\frac{3}{4} \\ =\frac{27}{8}\times\frac{4}{3} \\ =\frac{108}{24} \\ \text{Divide numerator and denominator by 12} \\ \frac{108}{24}=\frac{9}{2} \end{gathered}$

Hope this Helps!!!

5 0

1 year ago