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Sati [7]
3 years ago
11

Part of the graph of the function f(x) = (x + 4)(x – 6) is shown below.

Mathematics
2 answers:
zhuklara [117]3 years ago
5 0

Answer:

The vertex of the function is at (1,–25)

The graph is positive only on one interval, where x < –4.

Step-by-step explanation:

svlad2 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

hello :

1) The vertex of the function is at (1,–25).

2)The graph is positive only on one interval, where x < –4.

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Write the expression that shows 3 time the sixth power of 10
77julia77 [94]
3 x 10^6

Shouldn't be too hard for ya ;)
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3 years ago
a whisper volume as a room that allows two people to stand on opposite side of the template luckily shape long and hear each oth
Yakvenalex [24]

Answer:  120 ft

<u>Step-by-step explanation:</u>

The Ellipse equation is:   \dfrac{(x-h)^2}{a^2}-\dfrac{(y-k)^2}{b^2}=1       where

  • (h, k) is the center
  • "a" is the horizontal radius
  • "b" is the vertical radius
  • c is the distance from the center to the foci: |a² - b²| = c²

Given: horizontal diameter = 122  →  horizontal radius = 61 = a

          vertical diameter = 22  →  vertical radius = 11 = b

Foci (c):   61² - 11² = c²

            3721 - 121 = c²

                  3600 = c²

                    ±60 = c

Let (h, k) = (0, 0)

Then the foci are located at -60 and +60.

The distance between them is 60 + 60 = 120

3 0
3 years ago
Given a triangle with angles of 23°, 90°, 67°.
marishachu [46]

The answer is that it's a right triangle. One angle is 90°

8 0
2 years ago
for every 300 kids in high school 2/3 of them take a language. What is the value of a number of students who dont take a languag
Anna [14]
All you have to do is divide 300 hundred by 3 and you get 100 students that don’t take a language So 200 students take language and 100 students don’t take language
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2 years ago
A survey of couples in a city found the following probabilities:
liraira [26]

Answer

(a) 0.94

(b)0.06

Step-by-step explanation:

P(husband is employed) = P(H) = 0.85

P(wife is employed) = P(W) = 0.59

P(both are employed) = P(H∩W) = 0.50

(a) At least one of them is employed

= P(H∪W)

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=0.85 + 0.59 - 0.50

=0.94

(b) Neither is employed,

=1 - P(H∪W)

= 1-0.94

=0.06

8 0
2 years ago
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