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masya89 [10]
3 years ago
15

Can someone help me :(

Mathematics
2 answers:
BartSMP [9]3 years ago
7 0

Answer:

center of focus

Step-by-step explanation:

i hope this help "whole lotta love" NUNU

bazaltina [42]3 years ago
3 0

Answer:

The answer is B. Two Foci, hope this helps! :)

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A building has an entry the shape of a parabolic arch 52ft high and 42ft wide at the base. Find an equation for the parabola if
Lady bird [3.3K]
The description expresses three points which can be used for a standard form equation. The vertex is stated to be (0,0) and is a maximum; two other points are (-21,-74) and (21,-74)
The equation for vertex form of a parabola:
y=a(x-h)^2+k
vertex (h,k)
thus our equation will be:
y=a(x-0)^2+0
thus
y=ax^2
using one of the points, the value of a will be:
-74=a(21)^2
a=-74/441
thus the equation will be:
y=-74/441x²
7 0
3 years ago
Find the measure of x
Dahasolnce [82]

Answer:

Step-by-step explanation:

The angle adjacent to the 106 degree angle is 180 degrees - 106 degrees, or 74 degrees.  Next, the adjacent angle to the 145 degree angle is 35 degrees; in other words, the two bottom angles of this triangle are 35 degrees and 35 degrees.  That means that a 35 degree angle is vertical angle to x, and so x is also 35 degrees.

The sum of the three interior angles is 35 degrees + 74 degrees and

8 0
2 years ago
Read 2 more answers
A hairstylist schedules 1/4 our trim a customer's hair and 1/6 hour to style the customers hair hairstyles plans to work 3 1/3 h
aliina [53]

Answer:

40 appointments

Step-by-step explanation:

From the question, we have the following information

Amount of time to trim a customer's hair = 1/4 hour

Amount of time to style a customer's hair = 1/6 hour.

Total time spent on a customer

= (1/4 + 1/6)hour

L.C.M = 12

= (3 + 2/12) = 5/12 hour spent on a customer for trimming and styling

She plans to work for 3 1/3 hours per day for 5 days a week.

The total number of hours in a week that she works is calculated as:

3 1/3 × 5

= 10/3 × 5 = 50/3 hours = 23 1/3 hours

1 customer = 1 appointment = 5/12 hour

Therefore, the number of appointments she can schedule for 5 days a week if the customer must trim and style is calculated as:

5/6 hour = 1 appointment

50/3 hours = x appointments

Cross Multiply

5/6 hour × x = 50/3 hour × 1 appointment

x = 50/3 ÷ 5/12

x = 50/3 × 12/5

= 40 appointments.

The number of appointments she can schedule for 5 days a week if the customer must trim and style is 40 appointments.

6 0
3 years ago
H(x) = x ^ 2 - 2 g(x) = 4x + 1 Find (h•g)(x)
noname [10]

Answer:

(h*g)(x)=4x^3+x^2-8x-2

8 0
3 years ago
I really dont get this question
Gre4nikov [31]

Answer:

10,000

Step-by-step explanation:

Example:

.01 × 10,000 = 100

4 0
2 years ago
Read 2 more answers
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