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Alex
3 years ago
8

Justin needs 9 pieces of rope that are

Mathematics
1 answer:
maria [59]3 years ago
7 0

Answer:

no.

Step-by-step explanation:

half of 9 ft is 4.5 ft, 9 + 4 and 1/2 is 13 1/2

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The explicit formula for a sequence is<br> an=−2+3/2(n−1)<br> What is the 21st term of the sequence?
Anni [7]

Step-by-step explanation:

From the given question it appears that (n-1) is in the numerator's place, if it is so, then let us solve it.

a_n =  - 2 +  \frac{3}{2}(n - 1)   \\ \\  \therefore \: a_{21} =  - 2 +  \frac{3}{2}  (21 - 1) \\  \\   \therefore \: a_{21} =  - 2 +  \frac{3}{2 }   \times \: 20\\  \\ \therefore \: a_{21} =  - 2 + 3 \times \: 10  \\  \\ \therefore \: a_{21} =  { -2  + 30}   \\  \\ \therefore \: a_{21} =  28   \\  \\  \huge \red{ \boxed{\therefore \: a_{21} =   28}  } \\  \\

8 0
3 years ago
-8x - 11x<br> I really need help
Tema [17]

Answer: -19x

Step-by-step explanation: In this problem, we're asked to simplify the expression.

The two parts of this expression, -8x and 11x are called terms. The numbers in front of the variables are called coefficients.

Because the variables, x and x are identical, the terms get a special name and they're called like terms.

To subtract like terms, we simply subtract their coefficients and add the variable on to the difference of the two numbers.

Since -8 (-11) is -19, -8x - 11x simplifies to -19x.

4 0
3 years ago
Divide Rs750 in the ratio of 2:3​
White raven [17]

Answer:

Rs. 450 and Rs. 300

Step-by-step explanation:

Step 1: Add the ratios; 3 + 2 = 5  

Step 2: Put each ratio over the total, to see what proportion each part receives 3/5 and 2/5  

Step 3: Multiply the 750 by the fraction to calculate the proportion that each part contains

3/5 x 750  =  Rs. 450

2/5 x 750 = Rs. 300

5 0
3 years ago
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I need the answer. Please help.
Basile [38]

Angle V = 25 degrees. See the attached picture:

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3 years ago
What is the place where the initial side and terminal side of an angle meet called?
Serjik [45]

Answer:

Step-by-step explanation:

The rays meet at a point called a vertex. In trigonometry, angles are placed on coordinate axes. The vertex is always placed at the origin and one ray is always placed on the positive x-axis. This ray is called the initial side of the angle.

7 0
3 years ago
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