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2 years ago

-8 - 10 x (-1) + 7 x (-1)

Mathematics

2 answers:

vazorg [7]2 years ago

8 0

Answer: -5

Step-by-step explanation:

JulijaS [17]2 years ago

6 0

Answer:-5

Step-by-step explanation:

-8-(10*(-1))+(7*(-1))

=-8+10-7

=-15+10=-5

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Step-by-step explanation:

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2 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]

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

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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

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Answer:

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