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Bingel [31]
2 years ago
6

Emilio's vegetable patch is 7 yards wide and 15 yards long. Emilio wants to build a fence

Mathematics
1 answer:
madam [21]2 years ago
7 0
It would cost $132. 7+7+15+15X3=132
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A lady bought plates and bowls, 24 items in all. The price of each bowl was 60 cents; the price of each plate was 75 cents. The
vova2212 [387]
Plate    bowl         total
.60          .75          1.35
8.4(14)     7.5(10)    15.9
7.8(13)      8.25(11)  16.05
9.6(16)      6(8)          15.6
9(15)         6.75(9)     15.75
13.8(23)   .75           14.55
13.2(22)    1.5(2)     14.7
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answer: 4
 
6 0
3 years ago
Find all solutions ​
Anton [14]

Answer:

The solutions of the equation are 0 , π

Step-by-step explanation:

* Lets revise some trigonometric identities

- sin² Ф + cos² Ф = 1

- tan² Ф + 1 = sec² Ф

* Lets solve the equation

∵ tan² x sec² x + 2 sec² x - tan² x = 2

- Replace sec² x by tan² x + 1 in the equation

∴ tan² x (tan² x + 1) + 2(tan² x + 1) - tan² x = 2

∴ tan^4 x + tan² x + 2 tan² x + 2 - tan² x = 2 ⇒ add the like terms

∴ tan^4 x + 2 tan² x + 2 = 2 ⇒ subtract 2 from both sides

∴ tan^4 x + 2 tan² x = 0

- Factorize the binomial by taking tan² x as a common factor

∴ tan² x (tan² x + 2) = 0

∴ tan² x = 0

<em>OR</em>

∴ tan² x + 2 = 0

∵ 0 ≤ x < 2π

∵ tan² x = 0 ⇒ take √ for both sides

∴ tan x = 0

∵ tan 0 = 0 , tan π = 0

∴ x = 0

∴ x = π

<em>OR</em>

∵ tan² x + 2 = 0 ⇒ subtract 2 from both sides

∴ tan² x = -2 ⇒ no square root for negative value

∴ tan² x = -2 is refused

∴ The solutions of the equation are 0 , π

4 0
3 years ago
Read 2 more answers
Which of the following statements must be true about this diagram?<br> Check all that apply.
Alik [6]

Answer:

i would go for a and c

Step-by-step explanation:

7 0
2 years ago
I DONT GET THIS: What is the Domain and Range of the function in context?
Anettt [7]

Answer:

c

Step-by-step explanation:

the domain is every possible input value and the range is every possible output value. since the outputs are all positive, the range is equal to all real numbers. and since the graph starts at 1,000, the domain is greater than or equal to 1,000

6 0
2 years ago
shawn has two fields on his farm. he plants two types of corn. each field has 60 rows of cornstalks. type a grows better so ther
WINSTONCH [101]

Type a= 8x60

=480

b=3x60

=180

6 0
3 years ago
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