2 years ago

Please help me out on this! i really need it!!

Mathematics

1 answer:

NeTakaya2 years ago

5 0

Joni's calculation is the most accurate. Hope my answer helped u :)

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What is the answer ?

Alja [10]

I plugged it into my calculator and I got 1,870.

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3 years ago

A sequence of 7 numbers starts with 8. The second number in the sequence is unknown and may be positive or negative. The third t

scoray [572]

Answer:

Explanation:

$a_1=8,a_7=0$

Since the third term is the sum of the two previous terms

$a_3=a_2+a_1$

$a_7=a_6+a_5$

$a_7=a_5+a_4+a_4+a_3$

Continuing in like manner

$a_7=5a_3+3a_2$

Since $a_3=a_2+a_1$

$a_7=5(a_2+a_1+3a_2$

$a_7=5a_2+5a_1+3a_2$

$a_7=8a_2+5a_1$

Recall: $a_1=8,a_7=0$

$0=8a_2+5*8$

$8a_2=-40$

$a_2=-5$

The sequence is therefore:

8,-5,3,-2,1,-1,0

The sum of the seven numbers is 4.

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3 years ago

Qiang wants to tile a 3 ft x 3 ft entryway. Estimate to determine which style of tile will be the least expensive for this proje

Naya [18.7K]

Answer:

I think D because it seems the most reasonable

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1 year ago

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Kira bought 6 bags of popcorn for 15.36 how much would he pay for 4 bags

Andreas93 [3]

11.36 would be the answer

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2 years ago

What is the product of −2/5 and −0.8? Select all that apply.

stepan [7]

Answer:

0.32

Step-by-step explanation:

You can convert -2/5 to -0.4. Then multiply them together to get 0.32. Remember that multiplying two negatives makes a positive. Hope this helps :)

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2 years ago

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