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3 years ago

PLEASE HELP ME I NEED THIS ANSWER ASAP!!! What is the area of this figure?

Mathematics

1 answer:

AnnZ [28]3 years ago

8 0

A i am sure i hope this helps

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Write an expression for the measurement of angle L using the measurement of angle C found in part C

kap26 [50]

Answer:

180’ - 130’

Step-by-step explanation:

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3 years ago

Do you always copy change change while subtracting negative integers?

Evgesh-ka [11]

Think of it like this: imagine a frog on some lily pads and if it hops left it gets smaller(negative) and if it hops right it gets bigger(positive) ,(but think of it like numbers) so -14-5 think about the -14 being way down at the left and then you add on the (-5) since the number you are adding is negative it is getting smaller (going farther away from the zero, not closer) so when you add a negative to a negative number you get smaller instead of bigger. Hope that helps

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3 years ago

Find the are of the circle below.

Tanya [424]

To find the area of the circle with diameter = 18 cm

We will use the formula:

$\text{Area of a cirlce = }\pi r^2$

where r= radius of the circle

From the quesion diameter = 18 cm

radius = diameter/2

radius = 18cm/2 = 9 cm

substituting r = 9cm into the formula

$Area\text{ of a circle = }\pi(9)^2$ $A\text{rea of the circle }=\text{ 81}\pi cm^2$

The above answer is when we are to leave the answer in terms of π

Otherwise if π is given to be 3.14 or 22/7 , we will simply substitute into the formula

That is given that π= 3.14

$\text{Area of the circle = 81 }\times3.14=254.34cm^2$

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1 year ago

Which is the correct explicit formula in slope-intercept form that models the given arithmetic sequence?

goldfiish [28.3K]

Answer:

Step-by-step explanation:

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3 years ago

What is the expression for f(x) when we rewrite <br> (5⁻⁴ˣ⁺⁷)÷(125x) as 5^f(x)

alexandr402 [8]

Answer: The answer is f(x) = -7x + 7.

Step-by-step explanation: We are give a relation as follows :

$5^{-4x+7}\div 125^x=5^{f(x)}.$

From here, we need to find the expression for f(x).

Here, we will be using the following properties of exponents :

$(i)~\dfrac{a^x}{a^y}=a^{x-y}.\\\\(ii)~a^x=a^y~\Rightarrow x=y.$

We have

$5^{-4x+7}\div 125^x=5^{f(x)}\\\\\Rightarrow5^{-4x+7}\div 5^{3x}=5^{f(x)}\\\\\\\Rightarrow \dfrac{5^{-4x+7}}{5^{3x}}=5^{f(x)}\\\\\\\Rightarrow 5^{-4x+7-3x}=5^{f(x)}}\\\\\Rightarrow 5^{-7x+7}=5^{f(x)}\\\\\Rightarrow -7x+7=f(x).$

Thus, the required expression is f(x) = -7x + 7.

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3 years ago