2 years ago

What does it mean when a number has parentheses around it? Just like one whole number

Mathematics

1 answer:

ad-work [718]2 years ago

4 0

That number is alone

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notsponge [240]

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2 years ago

Tehara has read 115 pages of a 305 page book she reads 10 pages each day how many days will it take to finish

fiasKO [112]

Answer:

19 days

Step-by-step explanation:

305 - 115 = 190

190 ÷ 10 = 19

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2 years ago

Rewrite the following expression using the distributive property: 12x + 20

Dmitry_Shevchenko [17]

Answer: 4(3x +5) or 2(6x +20)

Step-by-step explanation:

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2 years ago

If an arithmetic sequence has a4 = 107 and a8 = 191, what is a₁?<br>PLEASE HELP ME

katen-ka-za [31]

$\text{nth term of an arithmetic sequence,}\\\\a_n = a_1 + (n-1)d\\\\a_4 = a_1 +3d=107~~~......(i)\\ \\a_8=a_1+7d = 191~~~......(ii)\\\\\\\text{(ii) -(i):}\\\\~~~~~~a_1+7d-a_1-3d = 191 -107\\\\\implies 4d = 84\\\\\implies d = \dfrac{84}4\\\\\implies d= 21\\\\\text{Substitute d= 21 in eq~(i):}\\ \\~~~~~ a_1 +3(21) = 107\\\\\implies a_1 + 63 = 107\\\\\implies a_1 = 107-63\\\\\implies a_1 =44$

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2 years ago

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BARSIC [14]

Answer:

The experimental probability is larger than the relative frequency.

Step-by-step explanation:

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3 years ago