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mariarad [96]
3 years ago
9

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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Hi. Please I need help with these questions.
timofeeve [1]

next question

11)

{x}^{2}  + (k - 1)x - k  = 0

(x - 1)(x + k) = 0 \\ x = 1 \\ x =  - k

they are equal so both are one

then k = -1

be careful the answer of q 10 is in the pictures

8 0
3 years ago
(I would really appreciate the help I know a 100 points are a lot so please don't answer for points lol and ty) (giving brainlie
Alborosie

Answer:

Welll....from the diagram, you can see you have two triangles (one on each side)

area of triangle = 1/2 base*height = 1/2 * 2 x 10 = 10 ft2 each

then you are left with a rectangle 13 ft x 10 ft = 130 ft^2

130 + 10 + 10 = 150 ft2

or you could just use the formula for area of parallelogram base * height = 15 * 10 = 150 square feet

Step-by-step explanation:

Can I get a brainliest plsss

6 0
3 years ago
Read 2 more answers
What is the measure of each angle of a regular 26-gon?
lina2011 [118]

Answer:

Angle of Regular polygon = 166.15° (Approx.)

Step-by-step explanation:

Given:

Regular polygon with 26 sides

Find:

Measure of each angle of Regular polygon

Computation:

Angle of Regular polygon = [(n-2)180] / n

where n = number of sides

Angle of Regular polygon = [(26-2)180] / 26

Angle of Regular polygon = [(24)180] / 26

Angle of Regular polygon = [4,320] / 26

Angle of Regular polygon = 166.15° (Approx.)

8 0
3 years ago
How do you write 176% in simple form
krek1111 [17]
<span>0.176 = 176⁄1000</span> 
<span>Simplify 176⁄1000 = 22⁄125</span><span> </span>
3 0
3 years ago
Read 2 more answers
Pls answer ASAP (25 points!!!) 
Tatiana [17]
Let's split these two situations up.
Linda
Linda deposits $1,800 into an account that pays 7.5% interest, compounded.
The equation:
1,800× 1.075^x=y
Let's put in 10 for x.
1.075^10= 2.06103156 × 1,800= 3,709.85681≈ 3,710
Anna
Anna deposits $4,000 into an account that pays 5% interest, compounded.
The equation:
4,000× 1.05^x=y
Let's put in 10 for x.
1.05×10= 1.62889463×4,000= 6515.57852= 6516
A) Linda's account: $3,710
Anna's account: $6,516
8 0
4 years ago
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