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nasty-shy [4]
3 years ago
14

What is the domain of the function

Mathematics
2 answers:
Delvig [45]3 years ago
6 0
5. D (the number under the square root symbol must be greater than or equal to 0. 


MrMuchimi3 years ago
5 0

Answer:

The domain of the function is x>=-7

Step-by-step explanation:

The domain is all the values that x can take so the function is defined, that means we can find a value of y

The sqrt is defined only for positive values and zero. So the expression in the sqrt must  satisfy that

6x + 42 >=0

We only have to find x

6x >=-42

x>=-42/6

x>=-7

So the answer is D x>=-7

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The lateral surface area of cone A is equal to the lateral surface area of cylinder B.
Natasha2012 [34]

Answer:

TRUE

Step-by-step explanation:

Lateral area of cone is given by: πrl

where r is the radius and l is the slant height

Here r=r and l=2h

Hence, lateral area of cone A= π×r×2h

                                            =  2πrh

Lateral area of cylinder is given by: 2πrh

where r is the radius and h is the height

Lateral area of cylinder B=2πrh

Clearly, both the lateral areas are equal

Hence, the statement that:The lateral surface area of cone A is equal to the lateral surface area of cylinder B. is:

True

4 0
3 years ago
Solve 3.4m = 204<br> The solution is m
Sophie [7]
60! 3.4(60)=204 so the answer is 60
8 0
3 years ago
an NFL team kicker misses 2 out of every 11 field goals if he missed 8 filed goals throughout the season how many did he attempt
Aleks [24]
For this equation, you want to do it in fractions/ratios to properly solve it. You would have his average misses out of every field goal and his real missed attempts over total. It would look like this

\frac{2}{11}  =   \frac{8}{x}

You want to solve for x since x is the total amount of field goals that he attempted. You can do this by doing cross multiplication:

(2)(x) = (8)(11)

From here you can get:

2x = 88

Divide each side by 2 to isolate x and you get:

x=  44

So he made a total of 44 field goals.
3 0
3 years ago
Read 2 more answers
Mr Ansah gave a portion of money to his two children.he gave 35% of it to his daughter and 20% to his son . If he had 495 left,
Veseljchak [2.6K]

Answer: 1100

Step-by-step explanation: mark x for the total sum.

0.35x+ 0.20x + 495 = x. 495= x-0.35x-0.20x

495= 0.45x. X= 495/0.45

5 0
2 years ago
Please help me get the right answer?!
Aleksandr-060686 [28]
The answer is A, \frac{1}{81}. This is because when plugging in -2 for x, the expression will look like this: 9^{-2}. To make the exponent positive, you have to flip it into a fraction. Then it will be \frac{1}{9^2}. Lastly, you simplify the denominator into 81.
4 0
3 years ago
Read 2 more answers
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