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Sladkaya [172]
3 years ago
6

David has been tasked with tracking the number of bagels sold (y) at freddy's 24-hour bagel shop from 12: 00 am (*= 0) to 12: 00

pm (x = 12). from 12: 00 am to 7: 00 am david the number of bagels sold is a function of the square of the time (x) plus 4
Mathematics
1 answer:
mafiozo [28]3 years ago
7 0

Answer:

53 bagels

Step-by-step explanation:

The number of bagels, y sold is a function of the square of the time (x) plus 4.

Therefore:

y=x^2+4

Number of Hours from 12.00 am to 7:00 am =7

At x=7

The number of bagels sold,

y=7^2+4\\=49+4\\=53\\

The bagel shop sold 53 bagels from 12: 00 am to 7: 00 am.

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natita [175]
Answer: 42.14 cm^2

square:

Area of a square=s^2
A=14^2
A=196

circle (the two semi circles are the same as one circle):

Area of a circle=(pi)(r)^2

divide 14 (diameter) by 2 to find the radius

A=(3.14)(7)^2
A=(3.14)(49)
A=153.86

subtract the area of the two semi circles from the area of the square to get the answer

196-153.86=42.14
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3 years ago
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3 years ago
five consecutive terms of an arithmetic sequence have a sum of 40. The product of the middle and the two end terms is 224. Find
ratelena [41]
Let the five terms be: a, a + d, a + 2d, a + 3d, a + 4d, then
a + a + d + a + 2d + a + 3d + a + 4d = 5a + 15d = 40
i.e. a + 3d = 8
Also, (a + 2d)(a + 3d)(a + 4d) = 224
(a + 3d - d)(a + 3d)(a + 3d + d) = 224
(8 - d)(8)(8 + d) = 224
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d^2 = 64 - 28 = 36
d = sqrt(36) = 6
But a + 3d = 8
a + 3(6) = 8
a = 8 - 18 = -10

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= -10, -4, -10 + 12, -10 + 18, -10 + 24
= -10, -4, 2, 8, 14

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