3 years ago

Their are two boxes at the bottom that I couldn’t fit in, but the answer would go in those two boxes.

Mathematics

1 answer:

valkas [14]3 years ago

8 0

Answer:

3x+8=68 degrees

6x-8= 112 degrees

Step-by-step explanation:

3x+8+6x-8=180

9x=180

x=20

3*20+8=68

6*20-8=112

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irina [24]

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3 years ago

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The length of a rectangle is 3 cm less than twice the width. If the perimeter is 42 cm, what is the length of the rectangle?

larisa [96]

Answer:

The length is 13

Step-by-step explanation:

w+w+l+l= perimeter

if the length is 3m less than twice the width then let's do some math.

42 divided 2 =21. so the width and length of one side have to equal 21. For example, let's use 8 as the width. The length would be twice(16) minus three(13) 13 plus 8 is 21. WOW it equals half of it so no we know the length is 13 and the wdith is 8.

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3 years ago

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Xelga [282]

The answer is the second one y=1/2x+4

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2 years ago

Find p(0),p(1),p(-1) and p(2) of the 3x(x-2)

Effectus [21]

Answer:

make x→0

$p(0)=(0)^{2}-3(0)+2$

→ $p(0)=0+0+2$

→ $p(0)=2$

$------$

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$p(-1)=(-1) ^{2} -3 (-1)+2$

→ $p(-1)=1-3+2$

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$----------$

Now make x→2

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→ $p(2)=4-6+2$

→ $p(2)=0$

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$-----------$

hope it helps...

have a great day!!

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3 years ago

You can work at most 20 hours next week. You need to earn at least $92 to cover your weekly expenses. Your dog-

kicyunya [14]

Answer:

x+y ≤ 20

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x = dog walking in hours

y = car washing in hours

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3 years ago