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3 years ago

EASY TRUE OR FALSE QUESTION

Mathematics

2 answers:

Marina CMI [18]3 years ago

6 0

Answer: False

Step-by-step explanation:

Margarita [4]3 years ago

3 0

Answer: False

Step-by-step explanation:

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Find the 41st term an arithmetic sequence if the common difference is -4 and the first term is 2

Travka [436]

ANSWER

-158

EXPLANATION

The general term of an arithmetic sequence is

$a_n=a_1+d(n-1)$

where

$a_1=2$

is the first term and

$d = - 4$

is the common difference.

Since we want to find the 41st term, we put n=41 to obtain,

$a_{41}=2+ - 4(41-1)$

$a_{41}=2- 4(40)$

$a_{41} = - 158$

The 41st term is -158.

6 0

3 years ago

Based on the survey results from 300 selected students in the Burbank School District (BSD), the 98% confidence interval used to

Pavlova-9 [17]

Answer:

follows are the solution to this question:

Step-by-step explanation:

Please find the correct question in the attached file:

The formula for calculating the Confidence interval of proportion:

$\to CI=\hat{p} \pm Z_{\frac{\alpha}{2}} \sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\\\\\to \hat{p}=\frac{\text{lower limit +upper limit}}{2}\\$

$=\frac{0.48+0.60}{2}\\\\=\frac{1.08}{2}\\\\=0.54$

The number of learners with access to working at home on a computer:

$= 0.54 \times 300 \\\\=162$

Lower limit =0.48

upper limit = 0.60

$\to margin \ error = \frac{\text{upper limit - lower limit}}{2}\\$

$=\frac{0.60-0.48}{2}\\\\=\frac{0.12}{2}\\\\= 0.06$

5 0

3 years ago

Tatiana's book has an area of 88 square inches. what are the length and wide measurements of the book

Vedmedyk [2.9K]

A= l•w

So you can make it in any way! The one I got is 44•4 because

A= l•w
A= 4•22
A= 88

So I guess it depends on the way you want it as long as it equals 88 as long as you length and width are multiplied to make the 88, if you host what I mean!

3 0

3 years ago

Which graph represents the same relation as the set StartSet (negative 3, 2), (5, 5), (3, 3), (3, negative 2) EndSet?

ikadub [295]

Answer:

The second graph

Step-by-step explanation:

4 0

3 years ago

Which of the following shows the polynomial below written in descending order ?

Igoryamba

Answer:

A. 4x¹¹ + x⁷ + 3x³ - 5x + 9

Step-by-step explanation:

order the exponents from largest to smallest. variables always come first; therefore, -5x before 9

4 0

3 years ago

Read 2 more answers