3 years ago

What is the area of the shape?

Mathematics

1 answer:

Travka [436]3 years ago

8 0

Answer:

6 units

Hope this helps!

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The product of two consecutive numbers is 4 more than three times the larger. find the integer

Stella [2.4K]

Answer:

Step-by-step explanation:

Let the first integer be x, then the next is x+1.

x(x + 1) = 3(x + 1) + 4

x^2 + x = 3x+ 3 + 4

x^2 + x - 3x - 7 = 0

x^2 - 2x - 7 = 0

Solving this does not give an integer so maybe there's something wrong with the question??

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2 years ago

Please show all work with the answers please

kenny6666 [7]

Part A

The angle of elevation of the staire case is given by

$Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\ \\ =\tan^{-1}{ \frac{14}{20} }\approx35^o$

Part B:

<span>If the landing of each step is changed to 17 inches and the elevation of each step to 21 inches, the new angle of elevation for the staircase is given by

</span><span> $Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\ \\ =\tan^{-1}{ \frac{17}{21} }\approx39^o$ </span>

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3 years ago

9. Musa's age is two thirds of Abu's age.

Darya [45]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Are 45/75 and 90/150 proportional?

lesya [120]

Yes they are
. 90/150= 3/5
so 45/75 and 3/5.