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2 years ago

7

THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!

!! AND PLS PUT AN EXPLANATION

1 answer:

Art [367]2 years ago

5 0

Answer:

49π

Step-by-step explanation:

πr^2

π*7^2

49π

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20 pts, please help me asap

mrs_skeptik [129]

The answer is W
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3 years ago

Solve the inequality |x − 6| − 10 < 1 Write the answer as a compound inequality

Tju [1.3M]

|x-6| < 1 + 10 (move 10 to the right side)
|x-6| < 11

1)x-6 < 11 (here x >= 6)
2)-x+6 < 11 (here x < 6)

1)x<17
2)x>-5

so we get -5 < x < 17

the answer: (-5; 17)

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3 years ago

Find the value of x.<br> Right triangle: Hypotenuse is 11, base is x, angle is 22 degrees.

kirill [66]

We know that the trigonometric identity that uses the adjacent side and the hypotenuse is cosine. We can set this up as:
$cos(22) = \frac{x}{11}$

We need to solve for x, so let's isolate it:
$x = 11cos(22) = 10.2$

So, x = 10.2 units

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3 years ago

A contractor is in charge of hiring people for a construction project. The number of days it would take to complete the project

sweet-ann [11.9K]

Answer:

$\text{Domain of x}=[1,\infty), x \in Z^+$

Step-by-step explanation:

Given the function: $f(x)=\dfrac{280}{x},$ where:$

f(x) =number of days it would take to complete the project

x =number of full-time workers.

$\text{When x=0, }f(x)=\dfrac{280}{0}=$Undetermined\\\text{When x=1, }f(x)=\dfrac{280}{1}=$280 days\\\text{When x=280, }f(x)=\dfrac{280}{280}=$1 day\\\text{When x=560, }f(x)=\dfrac{280}{560}=$0.5 days$

The domain of a function is the complete set of possible values of the independent variable.

In this case, the independent variable is x, the number of full-time workers. We have shown that x cannot be zero as there must be at least a worker on ground.

Therefore, an appropriate domain of the function f(x) is the set of positive integers (from 1 to infinity).

$\text{Domain of x}=[1,\infty), x \in Z^+$

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3 years ago

Give the coordinates for point A without using any new variables

Alja [10]

$7.\\A(n+1;\ m)\\\\8.\\A(k;\ 0)$

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3 years ago

Read 2 more answers