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liq [111]
3 years ago
9

Sin(-x)=-sinx for all values x​

Mathematics
2 answers:
Allushta [10]3 years ago
5 0

Answer:

True

Step-by-step explanation:

This is just a general property to know, I don't want to prove it LOL

Softa [21]3 years ago
5 0

Answer:

A.

Step-by-step explanation:

It's true. Sin(-x) =-sinx

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Evaluate: 2-4 =<br> help please
Akimi4 [234]

Answer:

-2

Step-by-step explanation:

3 0
3 years ago
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In 3 stores the same detergent is on special. Which store offers the Best Buy? explain
nikklg [1K]
$12.48/6= $2.08 
$14.42/7= $2.06 
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The best deal would be: 
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7 0
3 years ago
The sum of three numbers is 62. The second number is equal to the first number diminished by 4. The third number is four times t
alexdok [17]
Let the three numbers be x, y and z respectively, then
x + y + z = 62 . . . (1)
y = x - 4 . . . (2)
z = 4x . . . (3)

The above three expressions could be used to represent the numbers.

Solving the three equations, putting (2) and (3) into (1) gives
x + x - 4 + 4x = 62
6x - 4 = 62
6x = 62 + 4 = 66
x = 66/6 = 11
x = 11.
y = 11 - 4 = 7
z = 4(11) = 44

x = 11, y = 7, z = 44.
3 0
3 years ago
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A ball is thrown from an initial height of 6 feet with an initial upward velocity of 28/fts
vagabundo [1.1K]
Does this show answer like multiple choice
7 0
3 years ago
The Nut Shoppe sells walnuts for $4.00 a pound and cashews for $7.00 a pound. How many pounds of cashews should be mixed with 10
Anton [14]

Answer: He sold 10 pounds of cashews .

Step-by-step explanation:

Since we have given that

Selling price of walnuts = $4.00 a pound

Selling price of cashews = $7.00 a pound

Number of pounds of walnuts = 10

Let number of pounds of cashew be x

Total price at which he sold a mixture = $5.50

According to question,

10\times 4+x\times 7=(10+x)\times 5.50\\\\40+7x=55+5.5x\\\\7x-5.5x=55-40\\\\1.5x=15\\\\x=\frac{15}{1.5}\\\\x=10

Hence, he sold 10 pounds of cashews .

7 0
3 years ago
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