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3 years ago

The length of a rectangular sign is 4 times its width. If the sign’s perimeter is 20 inches, what is the sign’s area?

Mathematics

1 answer:

likoan [24]3 years ago

3 0

Answer:

1,600 cubic inches

Step-by-step explanation:

1. we know that one side is 20 and the other side is 20 x 4

2. 20 x 4 = 80

3. multiply both sides to find area so 80 x 20 = 1,600 cubic inches

I hope this answers your question!

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What is the following product? 3sqrt4 times sqrt3

Harman [31]

Answer:

$\sqrt[6]{432}$

Step-by-step explanation:

$\sqrt[3]{4}\cdot\sqrt{3}=4^{\frac{1}{3}}\cdot3^\frac{1}{2}=(2^2)^\frac{1}{3}\cdot3^\frac{1}{2}=(2^\frac{4}{3})^\frac{1}{2}\cdot3^\frac{1}{2}=(2^\frac{4}{3}\cdot3)^\frac{1}{2}=(2^4\cdot27)^\frac{1}{6}=432^\frac{1}{6}=\sqrt[6]{432}$

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3 years ago

I need help..Please make it correct..

STatiana [176]

Answer:

11/13

Step-by-step explanation:

3/13, 5/13, 7/13, 9/13, <u>11/13</u>

3/13

3/13 + 2/13 = 5/13

5/13 + 2/13 = 7/13

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3 years ago

Daisha is sitting on the bus on the way home from school and is thinking

Zina [86]

Answer:

Step-by-step explanation:

P(of an event)=No. of possibilities of the event/total no. of events

a)P(completes exactly one assignment)=1/3

b) P(completes more than one assignment)=2/3

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3 years ago

Can someone help me please

IgorLugansk [536]

A) 4(25-3y)+5y=9
100-7y=9
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   y=13
(-14,13)

b) 14-x=x-10
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(12,14)

c) 4x=12
  (3,7)

d) 18.5x+10.4y=200
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3 years ago

The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find

Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, $h=0$ , $k=35$ , $x=8$ , $y=21$