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aniked [119]
3 years ago
13

Please Help 28 Points + Brainlest Look At The Image Below And Answer The Flowing Question

Mathematics
2 answers:
loris [4]3 years ago
8 0

Answer:

D

Step-by-step explanation:

alexira [117]3 years ago
6 0

Answer:

It is D

Step-by-step explanation:

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W is greater than -1 and less than or equal to 4<br> Use a only once in your inequality.
Mice21 [21]

Answer:

-1 + w ≤ 4

Step-by-step explanation:

w is greater than -1 = -1 + w

Less than or equal to 4 = (anything less than or equal to 4)≤4

7 0
3 years ago
Read 2 more answers
Find the inverse of the given function.
kodGreya [7K]

For this case we must find the inverse of the following function:

f (x) = - \frac {1} {2} \sqrt {x + 3}

We follow the steps below:

Replace f(x) with y:

y = -\frac {1} {2} \sqrt {x + 3}

We exchange the variables:

x = - \frac {1} {2} \sqrt {y + 3}

We solve for "y":

- \frac {1} {2} \sqrt {y + 3} = x

Multiply by -2 on both sides of the equation:

\sqrt {y + 3} = - 2x

We raise both sides of the equation to the square to eliminate the radical:

(\sqrt {y + 3}) ^ 2 = (- 2x) ^ 2\\y + 3 = 4x ^ 2

We subtract 3 from both sides of the equation:

y = 4x ^ 2-3

We change y by f ^ {- 1} (x):

f ^ {- 1} (x) = 4x ^ 2-3

Answer:f ^ {- 1} (x) = 4x ^ 2-3

7 0
4 years ago
Read 2 more answers
Help!!!!! I'm timed!!!!! ​
djverab [1.8K]

Answer:

Option C, 28

Step-by-step explanation:

2\sqrt{98} * 2

2\sqrt{7^2*2}  *\sqrt{2}

14\sqrt{2} * \sqrt{2}

14*2

28

Answer:  Option C, 28

5 0
4 years ago
What the next step is
miv72 [106K]
Number 1 is correct.
7 0
3 years ago
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What is the the area of a sector of a circle with a radius of 9 centimeters and formed by a central angle that measures 120
dem82 [27]

Answer:

27π cm²

Step-by-step explanation:

step 1

Find the area of the complete circle

The area of the circle is equal to

A=πr²

we have

r=9 cm

substitute

A=π(9)²=81π cm²

step 2

Remember that the area of complete circle subtends a central angle of 360°

so

using proportion

Find the area of a sector formed by a central angle that measures 120°

81π/360°=x/120°

x=120°*81π/360°

x=27π cm²

5 0
3 years ago
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