3 years ago

Without measuring angles what is the measure of angle A′ OB ′?

Mathematics

1 answer:

Ede4ka [16]3 years ago

8 0

Answer:

That isn’t possible

Step-by-step explanation:

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With the sun at an angle of 30 degrees to the ground, a tree casts an 80 ft shadow. how tall is the tree?

Sholpan [36]

Let tree's height = h

h/80 = tan 30
⇒ h = 80 tan 30
⇒ h = 80 * 1/√3
⇒ h = 46.19 ft

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3 years ago

Express 20% as a fraction in its lowest form? Thanks

lilavasa [31]

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Hello!

✧･ﾟ: *✧･ﾟ:* *:･ﾟ✧*:･ﾟ✧

❖ 20% as as a fraction in lowest terms is $\frac{1}{5}$

Percents are out of 100% so write 20% out of 100% as a fraction:

$\frac{20}{100}$

Both the numerator and denominator can be divided by 20 so once divided, you get $\frac{1}{5}$

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4 years ago

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In January, Ben was charging $25 for individual hitting

allsm [11]

He increased his prices by 20%.
20% of 25 is 5.
5 + 25 is 30.

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3 years ago

Which of the following is a rational number? square root 97 square root 98, square root 99, square root 100

alexira [117]

Its D since the square root of 100 is 10

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3 years ago

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A rectangle is (x+10)ft by (x+4)ft. If a square of length xft on a side is cut from the rectangle, represent the remaining area

Andrei [34K]

Answer: $A(x)=14x+40$

Step-by-step explanation:

Given : The dimension of a rectangle is (x+10)ft. by (x+4)ft.

Then, Area of rectangle will be :-

$A_1(x)=(x+10)\times(x+4)=x^2+(10+4)x+40\\\\\Rightarrow\ A_1(x)=x^2+14x+40$

If a square of length xft on a side is cut from the rectangle, then the area of the square :-

$A_2(x)=x^2$

Now, the remaining area in the form of a polynomial function A(x) will be :-

$A(x)=A_1(x)-A_2(x)\\\\=x^2+14x+40-x^2=14x+40$

Hence, the remaining area in the form of a polynomial function A(x) will be :-

$A(x)=14x+40$

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3 years ago