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Mathematics

2 answers:

mafiozo [28]4 years ago

7 0

Answer:

○ D. (42 ÷ 2) + 5

Step-by-step explanation:

Five more than half tells it all. He 42 miles on Monday, then drove 5 more than half:

(42 ÷ 2) + 5

Half means you either multiply by ½, or divide by 2.

I am joyous to assist you anytime.

Yuki888 [10]4 years ago

5 0

Answer:

Step-by-step explanation:

half of the miles he drove yesterday is (42/2) and +5 because he said five more than half.

hope this helps and is correct!

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A1=12−12,a2=23−13,a3=34−14,a4=45−15,a5=56−16. a1=12−12,a2=23−13,a3=34−14,a4=45−15,a5=56−16.

ICE Princess25 [194]

$a_1=12-12=(1\times12-0)-(12+0)$
$a_2=23-13=(2\times12-1)-(12+1)$
$a_3=34-14=(3\times12-2)-(12+2)$
$a_4=45-15=(4\times12-3)-(12+3)$
$a_5=56-16=(5\times12-4)-(12+4)$

Clearly, the general for the $n$ -th term is

$a_n=(12n-(n-1))-(12+n-1)=10n-10$

(Aside: given the simple pattern, it's curious why the terms would be given the way they are. It's easier to divine $10n-10$ from $a_1=0,a_2=10,a_3=20,\ldots$ , but that's just my opinion.)

The sequence does not converge. As $n\to\infty$ , so does $a_n\to\infty$ .

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3 years ago

3y+11 plus 7x-30 plus 5x+14 find x and the y

Viktor [21]

3y + 11 + 7x - 30 + 5x + 14

3y + 12x - 5

3y = -12x + 5

y = (-12x + 5)/3
x = (3y - 5)/-12

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The measure of one angle of a triangle is 55 degrees. The measure of the third angle is 20 degrees more than twice the second an

sesenic [268]

If 1 angle is 55 and another is 55 add 20 (75) if you added them together it would be 130 so do 180 - 130 hope this helped!!

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