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Rama09 [41]
3 years ago
13

What is the answer?? I need help

Mathematics
1 answer:
prisoha [69]3 years ago
5 0

Answer:

34

Step-by-step explanation:

ok

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Y = 3x + 5, x = -4 / So, what would the y in the equation equal to ? ​
3241004551 [841]

Answer:

Step-by-step explanation:

y= 3 (-4)+5

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y= -7

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3 years ago
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The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3 14.
alexira [117]

Answer:

100.48 feet

Step-by-step explanation:

The circumfrence of a circle is represented in the equation C=2\pi r^{2}

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5 0
3 years ago
Using the approximation 3.14 for \pi what is the radius of a circle with circumference 75.4m
Charra [1.4K]

Answer:

The radius of the circle is 12.006 m.

Step-by-step explanation:

Let us assume the radius of the circle = r

Circumference  = 75.4 m

Now, CIRCUMFERENCE OF A CIRCLE = 2 π r

⇒ 75 .4 m = 2 π r

Now, putting  π = 3.14, we get:

75 .4 m = 2 (3.14)  r

⇒ 75.4 = 6. 28 r

or, r = 75.4/6.28 =  12.006

or, r  = 12.006 m

Hence, the radius of the circle with circumference 75.4 m is 12.006 m.

3 0
3 years ago
How do I begin this equation
alex41 [277]
Trigonometry:
We know that   csc x = 1 / sin x    and π = 180°;
sin 5π/ 6 = sin 150° = 1/2
csc 2π / 3 = 1 / sin 120° = 1 / √3/2 = 2 / √3
Finally:
4 · 1/2 + 7 · ( 2 / √3 )² = 2 + 7 · 4/3 = 
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5 0
3 years ago
(25–a)÷7=3 i need help and fast!
Vikentia [17]

the variable a would be 4

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3 years ago
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