3 years ago

Helen and Stephanie par

Mathematics

1 answer:

Darya [45]3 years ago

4 0

i really really really like birds

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The price of a notebook was $3.70 yesterday. Today, the price fell to $3.20 . Find the percentage decrease. Round your answer to

mario62 [17]

Answer:

13.5% Decrease

Step-by-step explanation:

Use formula (change in value / original value) * 100

Change in value = 3.70 - 3.20 =0.50 Change in value is 0.50

Original Value = 3.70

Use the formula (0.50/3.70) * 100 = 13.5 % Decrease

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3 years ago

A band leader wants to line up 236 band members in 4 rows so that each row has 2 members more than the row before. How many band

fenix001 [56]

Row one:56
Row two: 58
Row three: 60
Row four:62

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3 years ago

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Round 9118 to the nearest ten

gavmur [86]

(8)=ones place

(1)0=tens place

(1)00=hundreds place

(9)000=thousands place

The "1" beside the 8, is the tenths spot so you would round that part of the number.

Therefore the answer would be:

9120

6 0

3 years ago

Select the correct product.<br><br> (x 2 + 4x + 8)(2x - 1)

marusya05 [52]

Answer:

$\large\boxed{(x^2+4x+8)(2x-1)=2x^3+7x^2+12x-8}$

Step-by-step explanation:

Use FOIL: <em>(a + b)(c + d) = ac + ad + bc + bd</em>

$(x^2+4x+8)(2x-1)\\\\=(x^2)(2x)+(x^2)(-1)+(4x)(2x)+(4x)(-1)+(8)(2x)+(8)(-1)\\\\=2x^3-x^2+8x^2-4x+16x-8\qquad\text{combine like terms}\\\\=2x^3+(-x^2+8x^2)+(-4x+16x)-8\\\\=2x^3+7x^2+12x-8$

7 0

3 years ago

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Does anyone know the answer

slamgirl [31]

Answer: The period of the given function is 10

Step-by-step explanation:

The period of a function is the distance required to complete a full cycle (In which the portion of the graph repeats itself however in both direction)

Since, by the given diagram,

After 10 unit, the one cycle of the function is completed,

⇒ The period of the given function is 10.

5 0

3 years ago

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