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3 years ago

What is the y-value of the vertex of the function f(x)=-(x+3)(x-14)?

Mathematics

1 answer:

ss7ja [257]3 years ago

7 0

Answer:

vertex : (5.5,-41.25)

Step-by-step explanation:

FOIL it then put it into the calculator (y=, graph, 2nd, trace, minimum)

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What is the decibel level of the sound of a monster truck with intensity 10−2 watts per square inch? Use a logarithmic model to

lorasvet [3.4K]

Answer:

BdB = 68.10 decibels

Step-by-step explanation:

BdB = 10 log10 I / Io

where BdB is the sound intensity level in decibels, I is the sound intensity on the linear scale (W / m²) and I0 is the hearing threshold (10^-12 W / m²).

Converting Io de 10^-12 W/m² to W/in², tenemos

10^-12 W/m² = 1.5500031000062x10^-9 W/in²

So, applying the equation or formula,

BdB = 10 log10 (10 ^ -2 W/in² / 1.5500031000062x10^-9 W/in² )

BdB = 10 log10 (0.64516x10^6)

BdB = 10 log10 (6,451,600)

Being log10 (6,451,600) = 6.8096674332398761189214526331036, then

BdB = 10 x 6.8096674332398761189214526331036

BdB = 68.096674332398761189214526331036

BdB = 68.10 decibels

8 0

3 years ago

Read 2 more answers

The number of students in a chess club decreased from 27 to 11. What is

xz_007 [3.2K]

Answer:

59.26.

Step-by-step explanation:

I think!

7 0

3 years ago

Take a look at the following set of data: 5, 12, 24, 19, 1, 32, 194. What word describes the data point 133?

FrozenT [24]

Answer:

Outlier!! I know it sounds like a cat poster but it's true

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Secx tanx=√3(0<×<360)

Vladimir79 [104]

Answer:

x = 60°

Step-by-step explanation:

Bcz tan60° = √3

Hope you got it.

5 0

3 years ago

BRAINIEST FOR CORRECT ANSWER!! :))) ——————-

Morgarella [4.7K]

Answer:
3 < c < 13
Step-by-step explanation:
A triangle is known to have 3 sides: Side a, Side b and Side c.
For a triangle, one of the three sides is longer than the other two sides. (The only exception is when we are told specifically that a triangle is an equilateral triangle, where all the 3 sides are equal to each other).
To solve the above question, we would be using the Triangle Inequality Theorem.
The Triangle Inequality Theorem states that the summation or addition of the lengths of any two sides of a triangle is greater than the length of the third side.
Side a + Side b > Side c
Side a + Side c > Side b
Side b + Side c > Side a
For the above question, we have 2 possible side lengths for the third side of the triangle. We are given in the above question,
side (a) = 5
side (b) = 8
Let's represent the third side as c
To solve for the above question,we would be having the following Inequality.
= b - a < c < b + a
= 8 - 5 < c < 8 + 5
= 3 < c < 13

4 0

3 years ago