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2 years ago

Define the word evaluate to me. Use proper English and complete sentences.

Mathematics

1 answer:

Brut [27]2 years ago

6 0

Answer:

form an idea of the amount, number, or value of; assess

Step-by-step explanation:

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2. Find the 20th term of an arithmetic sequence if its 6th term is 14 and 14th term is 6.

Fudgin [204]

Answer:

$\sf t_{20}= 0$

Step-by-step explanation:

<h3>Arithmetic sequence:</h3>

$\sf \boxed{\bf n^{th} \ term = a + (n-1)d}\\\\\text{Here, a is the first term ; d is the common difference }$

6th term is 14 ⇒ $\sf t_6 = 14$

a + (6 - 1)d = 14

a + 5d = 14 --------------(I)

14th term is 6 ⇒ $\sf t_{14} = 6$

a + (14-1)d = 6

a + 13d = 6 ----------------(II)

Subtract equation (II) from equation(I)

(I) a + 5d = 14

(II) a + 13d = 6

-8d = 8

d = 8 ÷(-8)

$\sf \boxed{\bf d= (-1)}$

Plugin d = -1 in equation (I)

a + 5(-1) = 14

a -5 = 14

a = 14 + 5

$\sf \boxed{\bf a = 19}$

20th term:

$\sf t_{20}= 19 + 19*(-1)$

= 19 - 19

$\sf \boxed{\bf t_{20} = 0}$

8 0

1 year ago

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Which side of XYZ is the longest? <br><br>A. xy<br>B. xz<br>C. yz<br>D. cannot be determined

Eddi Din [679]

Answer:

the answer is x because its small

4 0

3 years ago

A jury pool consists of 50 potential jurors and how many ways can a jury of 12 be selected

bija089 [108]

Solution:

we are given that

A jury pool consists of 50 potential jurors.

Wee have been asked to find the number of ways can a jury of 12 be selected.

As we know from the concept of combination that r person can be selected out of n in ncr ways. where

$n_C_r=\frac{n!}{r!(n-r)!}$

Now substitute the values we get

${50}_C_{12}=\frac{50!}{12!(50-12)!}\\
\\
{50}_C_{12}=\frac{50!}{12!38!}\\
\\
{50}_C_{12}=121399651100\\$

Hence the required number of ways is 121399651100

5 0

3 years ago

Which number is the LARGEST? -5/6 -3/4 -2/3 -4/5

Ivanshal [37]

Answer:

-2/3

Step-by-step explanation

3 0

3 years ago

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A triangle has two sides of length 9 and 7. What is the smallest possible whole-number length for the third side?

Basile [38]

Answer:

Step-by-step explanation:

I am not positive but I think the answer might be 8?

4 0

3 years ago

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