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Sav [38]
3 years ago
13

Use your calculator to find the value of the trigonometric ratio rounded to 4 decimal places.

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

0.6820

Step-by-step explanation:

Given data

Angle= 47°

Hence we want to find

cos 47°

From calculator

cos 47°=0.681998

to 4 dp

0.6820

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Solve for x.........
vlabodo [156]

Answer:

x = 1 1/5

Step-by-step explanation:

1/3x = 2/5

multiply both sides by 3/1

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Hope this helps!!!

3 0
3 years ago
What is the value of (2x^2-5x+4)if x =7
Troyanec [42]
<span>We have to use PEMDAS for this expression.

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

</span>(2x^2 - 5x + 4)                    Original Mathematical Expression

[2(7)^2 - 5(7) + 4]                 Plugging the value of x, 7 into expression.

There are parentheses, so that means we have to work in them.

There are exponents, so we have to do those first.

[2(49) - 5(7) +4]                    Exponents.

There is multiplication, that we can do, so we do that left to right.

[98 - 35 + 4]                         Multiplication.

There is no division.

There is addition and subtraction, so we do those left to right.

[63 + 4]                                Subtraction.

67                                        Addition.

Final Answer: 67

6 0
3 years ago
Read 2 more answers
Will and John sell lemonade at a lemonade stand. After an hour, they have taken in $4 for a total of 8 cups of lemonade. What is
Murljashka [212]

Answer:

The answer is A - $0.50 per cup

Step-by-step explanation:

If you divide the $4 by the 8 cups you get $0.50

5 0
3 years ago
Kelly has 4 times as many songs on her music player as Lou
jeka57 [31]

Answer:4 times x

4(x)

Step-by-step explanation:

4 times as many songs on Lou's music player

Lou's music player is x

7 0
3 years ago
The first row in a theater has 8 seats, the second row has 12 seats, and the third row has 16 seats. If this pattern continues,
Delicious77 [7]
The answer is c 28 because it is going by plus 4 <span />
6 0
3 years ago
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