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3 years ago

Percent decrease from 145 to 132. Round to the nearest percent

Mathematics

1 answer:

o-na [289]3 years ago

5 0

132/145 × 100% = 91.03%

i am a mathematics teacher. if anything to ask please pm me

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What is the equation of this graphed line?

cestrela7 [59]

First we find the slope by using the slope formula : (y2 - y1) / (x2 - x1)

slope = (y2 - y1) / (x2 - x1)
(0,7)....x1 = 0 and y1 = 7
(8,-2)...x2 = 8 and y2 = -2
now sub...pay attention to ur signs
slope = (-2 - 7) / (8 - 0) = -9/8

now we use y = mx + b
slope(m) = -9/8
u can use either of ur points...(0,7)...x = 0 and y = 7
now sub into ur formula and find b, the y int
7 = -9/8(0) + b
7 = b
so ur equation is : y = -9/8x + 7 <==

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3 years ago

If 1 meter = 100cm then what is the relationship between m3 and cm3?

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If the 1m turns into 3m then he cm increases also by 3.The 3 meters would equal 300 cm.

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3 years ago

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A bicycle tire has a diameter of 62 \text{ cm}62 cm62, start text, space, c, m, end text. What is the distance the bicycle tire

navik [9.2K]

Answer:

The distance bicycle tire travels is 1946.8 cm.

Step-by-step explanation:

Given:

Diameter of bicycle tire = 62 cm.

The bicycle tire travels in 10 revolutions.

Now, to find the distance the bicycle tire travels in 10 revolutions.

Diameter = 62 cm.

Radius (r) = $\frac{Diameter}{2}=\frac{62}{2}=31\ cm.$

So, we get the circumference first by putting formula:

$Circumference =2\pi r$

$Circumference =2\times 3.14\times 31\\\\Circumference =194.68\ cm.$

Thus, we get the circumference of tire 194.68 cm.

Number of revolutions the tire travels = 10.

Now, to get the distance the bicycle tire travels we multiply circumference of tire by number of revolutions the tire travels:

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Therefore, the distance bicycle tire travels is 1946.8 cm.

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3 years ago

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Rasek [7]

Answer:

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3 years ago

In Nathan’s baseball card collection, 58% of cards are players from the National League. He has 702 baseball cards. About how ma

Bogdan [553]

Nathan has exactly 407 cards from national league however since you have to estimate with that rate the answer is 400.

702 (Total Cards) × 0.58 = 407. 16
407.16 (Rounded to 100) = 400

702 × 0.58 = 407.16 = 400

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3 years ago