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3 years ago

Please help me !!

Mathematics

2 answers:

kherson [118]3 years ago

7 0

The second answer is D) it will increase 8 times

ipn [44]3 years ago

7 0

Greeting's!
#1.(A.) #2.(D.)
___________

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Work out an expression for the nth term for this sequence:<br><br> 23,35,47,49

notsponge [240]

<h3>Answer:</h3>

$a_n = 23 +12(n -1)$

<h3>Explanation:</h3>

The $n$ th term of an arithmetic sequence is explicitly defined as $a_n = a_1 +d(n -1)$ where $a_1$ is the first term of the sequence and $d$ is the the common difference.

From the given first five terms of the sequence we can see that the first term is $23$ so $a_1 = 23$ .

The common difference, $d$ , can be calculated by $a_n - a_{n -1}$ so we'll find the common difference of the given sequence by letting $n = 2$

$d = a_2 - a_{2 -1} \\d = a_2 -a_{1} \\d = 35 -23 \\ d = 12$ .

Now let's plug everything we know.

$a_1 = 23$

$d = 12$

$a_n = 23 + 12(n -1)$

7 0

2 years ago

what is the total surface area in square millimeters, of the rectangle solid shown below? HELP PLEASE!

ValentinkaMS [17]

Answer:

D) 290

Step-by-step explanation:

w = 5

l = 12

h = 5

Formula:

SA = 2(wl + hl + hw)

SA = 2(5*12 + 12*5 + 5*5)

SA = 2(60 + 60 + 25)

SA = 2(145)

SA = 290

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3 years ago

-1/3/4 + 1/1/6 equals what in fractions

Gnesinka [82]

Step-by-step explanation:

Simplify fractions on fractions

$\frac{1}{ \frac{3}{4} }$

Multiply by the inverse of denominator

$\frac{4}{3}$

Simplify fractions on fractions

$\frac{1}{ \frac{1}{6} }$

Multiply by the inverse of denominator

$6$

Add both sides

$- \frac{4}{3} + 6$

8 0

3 years ago

Circle the tens digit in each number 31, 94, 17,

Ludmilka [50]

You would circle the 3 in 31, the 9 in 94, and the 1 in 17

3 0

3 years ago

Read 2 more answers

The ratio of red to green tiles in a pattern is 2:3 what fraction of the tiles are green

zhannawk [14.2K]

The answer is 2/10

your just reducing the ratio

3 0

3 years ago