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balandron [24]
3 years ago
10

Here's what Gabriel and Kayla actually wrote.

Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

Step-by-step explanation: equivalent means equal to, so that means these expressions are equal :)

Afina-wow [57]3 years ago
8 0

but there are a lot of creeps here" :(

Step-by-step explanation:

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Two of the golf scores at the local tournament were unreadable, but the mean score was 85 and the lowest score was 75. if the re
Vika [28.1K]

Step-by-step explanation:

Assuming the readable scores are:

100, 82, 95, __ , 90, 81, 75, 83, __

We know the mean (or average) is 85, so:

85 = (100 + 82 + 95 + x + 90 + 81 + 75 + 83 + y) / 9

765 = 606 + x + y

159 = x + y

We know the lowest score is 75, so x and y must be at least 76.  Possible answers are:

76 and 83

77 and 82

78 and 81

79 and 80

80 and 79

81 and 78

82 and 77

83 and 76

6 0
3 years ago
5) Establish the indentity (cot + tan ) sin = sec . Show each step to justify your conclusion.
katen-ka-za [31]

Answer:

Step-by-step explanation:

Identities : -

cot = cos / sin

tan = sin / cos

( cot + tan ) sin = sec

LHS

= ( cot + tan ) sin

= ( ( cos / sin ) + ( sin / cos ) ) sin

= ( ( cos sin ) / sin ) + ( sin² / cos )

= cos + ( sin² / cos )

LCM = cos

= ( cos² / cos ) + ( sin² / cos )

= ( cos² + sin² ) / cos

Identity : -

cos² + sin² = 1

= 1 / cos

= sec

= RHS

Hence proved.

3 0
2 years ago
1. Find the simple interest on a $3,219.00 principal, deposited for six years at a rate of 1.51%.
Nataliya [291]

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

4 0
3 years ago
The length of the house is 1,200 feet and 1,100 feet wide. what is the perimiter
Tatiana [17]

Answer:

4,600

Step-by-step explanation:

1,200+1,200+1,100+1,100

8 0
2 years ago
Read 2 more answers
A cake recipe for 12 people calls for 8 cups of sugar. If Jenny wants to bake a cake for 7 people, how many cups of sugar should
Vaselesa [24]
12 people ⇒8 cups

1 person ⇒ 8/12 = 2/3 cup

7 persons ⇒ 2/3 x 7 = 14/3 4 2/3 cups

Answer: She should use 4 2/3 cups of sugar.
3 0
3 years ago
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