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4 years ago

64+40b

ign="absmiddle" class="latex-formula">

Mathematics

1 answer:

Levart [38]4 years ago

4 0

64+40b 40^b2
=1600b3+64

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64-144a+108a^2-27a^3

solmaris [256]

the answer for this question is 64-144a+108a^2-27a^3

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4 years ago

Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree h

stepan [7]

Answer: c. elm

Step-by-step explanation:

Given : The circumference of the oak tree= 0.539 meters

= $0.539\times100=53.9\text{ cm}$ [∵ 1 m = 100 cm] (1)

The circumference of the ash tree= 0.509 yards

$=0.509\times3\text{ feet}$ [∵ 1 yard = 3 feet]

$=0.509\times3\times 30.48\text{ cm}$ [∵ 1 foot = 30.48 cm]

$=46.54296\approx46.54\text{ cm}$ (2)

The circumference of the elm tree = 6281.70 millimeters

$=\dfrac{6281.70}{10}=628.17\text{ cm}$ (3)

The circumference of the poplar tree = 0.000385 miles

$=0.000385 \times5280\text{ feet}$ [∵ 1 mile = 5280 feet]

$=0.000385 \times5280\times30.48\text{ feet}$ [∵ 1 foot = 30.48 cm]

$=61.959744\approx61.96\ \text{ cm}$ (4)

From (1) , (2) , (3 ) and (4) it is clear that

46.54< 53.9 < 61.96 < 628.17

Hence, the elm tree has the greatest circumference.

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3 years ago

Jamie and his two brothers divided a package of 125 toy cars equally. About how many cars did each of them receive

sp2606 [1]

41 and there are two left

8 0

4 years ago

Help asap please!! Find the measure of y. A. 43 B. 53 C. 90 D. 47

Amiraneli [1.4K]

Answer:

$y=43$

Step-by-step explanation:

$y=2(90-46)/2$

$y=43$

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5 0

3 years ago

I NEED HELP ASAPP!!!

Llana [10]

Answer:

Step-by-step explanation:

$x - 2y = -8 \\y = 5x-2$

$x - 2 y = - 8$

add -x to both sides

$x - 2y - x = -8 - x \\- 2y = -8 - x$

multiply both sides by -1/2

$-2y * (\frac{-1}{2} ) = (-8-x) (\frac{-1}{2} )$

$y = 4 + \frac{x}{2} \\y = \frac{x}{2} + 4$

the equations don't have the same slope so they aren't parallel

The solpes product doesn't equal -1 so they aren't perpendicular

4 0

4 years ago