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3 years ago

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Jordan is chopping wood for the winter. for 10 days in a row, he follows the same process: In the morning, he chops 20 pieces of

wood and in the afternoon, he chops an additional 30 pieces of wood. On the 11th day, Jordan only chops 5 pieces of wood

1 answer:

olya-2409 [2.1K]2 years ago

3 0

What is the question bro

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X = -2y + 300 3y = 800 - 4x

devlian [24]

Answer:

<h2>x = 140, y = 80</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}x=-2y+300&(1)\\3y=800-4x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\3y=800-4(-2y+300)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\3y=800+(-4)(-2y)+(-4)(300)\\\\3y=800+8y-1200\\\\3y=8y-400\qquad\text{subtract}\ 8y\ \text{from both sides}\\\\-5y=-400\qquad\text{divide both sides by (-5)}\\\\y=80\\\\\text{Put it to (1):}\\\\x=-2(80)+300\\\\x=-160+300\\\\x=140$

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2 years ago

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The floorplan of a house is shown below. The lengths of the house’s sides are given; the length of the left side is unknown. The

solniwko [45]

●Perimeter= 160 ft

●All sides are given except the left side

●Left side is x

So, 30 + 10 + 45+ 15 + x = 160ft

135 ft+ x= 160ft

X feet= 160 - 135

= 25 ft

ANS= 25 FEET

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2 years ago

DedPeter [7]

Expression for percent of survey participants who chose fishing =

Explanation:

Total number of boys = 60

Number of boys who took part in survey = 18 + 29 =47

Number of boys who chose fishing = 29.

Percentage of an outcome = (Number of favorable outcome/ Total number of outcome) x 100

Percentage of boys who chose fishing = (29/47)x100

Expression for percent of survey participants who chose fishing =

Hope I helped! :)

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3 years ago

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4 m =____ μm??<br>Someone? i need to the answer:)<br>

Sergeu [11.5K]

4000000 micrometers

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3 years ago

Does 21.6,28.8,36 equal a right triangle

Fittoniya [83]

Yes it does hope this helped

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3 years ago