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3 years ago

5

Is half the sum of two and a number multiplied by itself three times linear? (and how would I write it as a mathematical express

ion)

1 answer:

castortr0y [4]3 years ago

6 0

I’m not sure if it’s linear but u write it as 2 divided by 2 to the power of three

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Solve the System of Equations

soldi70 [24.7K]

Answer:

Equations: $x+y=80\,,\,2x+4y=216\,\,$

number of chickens = 52

number of goats = 28

Step-by-step explanation:

Given: A small ranch has chickens and goats

Total number of heads = 80

Total number of legs = 216

To find: number of chickens and goats

To draw: the graph

Solution:

Let x denotes number of chickens and y denotes number of goats.

According to the question,

$x+y=80\,\,(i)\\2x+4y=216\,\,(ii)$

From (i), put $x=80-y$ in (ii)

$2(80-y)+4y=216\\160-2y+4y=216\\2y=216-180\\2y=56\\y=\frac{56}{2}=28$

Put $y=28$ in equation (i)

$x+28=80\\x=80-28=52$

So,

number of chickens = 52

number of goats = 28

6 0

3 years ago

Help plz I will give brainliest

HACTEHA [7]

Answer:

i think that it is C

Step-by-step explanation:

if im incorrect i apologize

5 0

3 years ago

79% of 67 miles is what?

KIM [24]

To do it without a calculator:

10% of 67 is 6.7
6.7 x 8 is 53.6 (80%)
1% of 67 is .67
<span>53.6 - .67 is 52.93 (79%)</span>

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3 years ago

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Can someoe help? <br> 7x-24=6x-2

just olya [345]

Answer:

$7x - 24 = 6x - 2 \\ collecting \: like \: terms \: \\ 7x - 6x = - 2 + 24 \\ 1x = 22 \\ x = \frac{22}{1} \: \: or \: \: x = 22$

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2 years ago

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David drives 168 miles a week he fill his tank 2 times a week each fill up is 12 gallons what is gas mileage on his car

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I think it would be 7 miles per gallon. Just do Miles/Gallons per week.

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3 years ago

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