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2 years ago

If a =7 , find the area of it . Please give me the answer I have a exam at 12.00

Mathematics

2 answers:

Sindrei [870]2 years ago

3 0

Answer:

60cm²

Step-by-step explanation:

Area of a rectangle = length x breath

Let,

length (L) = (a-1) cm

breadth (B) = (a+3) cm

Putting the value of a = 7;

we get,

length= 7-1 = 6 cm

breadth= 7+3 = 10 cm

Therefore, area of the rectangle = L x B

= 6 x 10

= 60 cm²

xz_007 [3.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

Hello!

a= 7

L = 7+3 = 10

l= 7-1 = 6

area:

10*6 => 60cm²

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Please help !!<br>[90 points if correct]

3241004551 [841]

Answer:

2201.8348 ; 3 ; x / (1 + 0.01)

Step-by-step explanation:

Final amount (A) = 2400 ; rate (r) = 6% = 0.06, time, t = 1.5 years

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Using the relation :

A = p(1 + rt)

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2400 = p(1.09)

p = 2400 / 1.09

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2.)

12000 amount to 15600 at 10% simple interest

A = p(1 + rt)

15600 = 12000(1 + 0.1t)

15600 = 12000 + 1200t

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3600 = 1200t

t = 3600 / 1200

t = 3 years

3.)

A = p(1 + rt)

x = p(1 + x/100 * 1/x)

x = p(1 + x /100x)

x = p(1 + 1 / 100)

x = p(1 + 0.01)

x = p(1.01)

x / 1.01 = p

x / (1 + 0.01)

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3 years ago

Help me solve this please, solve for x. <br> 3^7x = 81^x+9

Naddik [55]

Use order of operations.

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Help question is on the attachment

miv72 [106K]

Answer:

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Step-by-step explanation:

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rjkz [21]

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The Laplace transform technique, the function inside the time domain is transformed to a Laplace feature within the frequency area. This Laplace function could be inside the shape of an algebraic equation and it may be solved without difficulty.

Learn more about Laplace transformation here:-brainly.com/question/14487437

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