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ipn [44]
3 years ago
11

Which of the following is the additive identity of 5+2i

Mathematics
1 answer:
Alex17521 [72]3 years ago
7 0

Answer:

Can you take a picture of the question so i could help!

Step-by-step explanation:

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If l || m, classify the marked angle pair and give their relationship, then solve for x.
WINSTONCH [101]

Answer:

14. x=16, 15. x=9

Step-by-step explanation:

14.

4x+4=7x-44 by alternate exterior angles

3x=48

x=16

15.

15x-26=12x+1 by alternate exterior angles

3x=27

x=9

5 0
3 years ago
Mariah spent $9.50 on 9 pounds of limes and pears. Limes cost $0.50 per pound and pears cost $1.50 per pound. Let l be the numbe
Norma-Jean [14]
She bought 4 pounds of limes and 5 pounds of pears.
7 0
3 years ago
The range of the function y=secx-2 is all reals except<br><br> -1 1 -3 -2
Umnica [9.8K]

Answer:

For a function y = f(x), the range is the set of all the possible values of y.

In the question you wrote:

y = secx - 2

This can be interpreted as:

y = sec(x - 2)

or

y = sec(x) - 2

So let's see each case (these are kinda the same)

If the function is:

y = sec(x - 2)

Firs remember that:

sec(x) = 1/cos(x)

then we can rewrite:

y = 1/cos(x - 2)

notice that the function cos(x) has the range -1 ≤ y ≤ 1

Then for the two extremes we have:

y = 1/1 = 1

y = 1/-1 = -1

Notice that for:

y = 1/cos(x - 2)

y can never be in the range  -1 < x < 1

As the denominator cant be larger, in absolute value, than 1.

Then we can conclude that the range is all reals except the interval:

-1 < y < 1

If instead the function was:

y = sec(x) - 2

y = 1/cos(x) - 2

Then with the same reasoning, the range will be the set of all real values except:

-1 - 2 < y < 1 - 2

-3 < y < -1

6 0
3 years ago
Let f(x) = x2 − 3x − 7. Find f(−3).
elena55 [62]

Answer:

f(-3) = 11

Step-by-step explanation:

To evaluate f(-3), substitute x = - 3 into f(x)

⇒ f ( − 3 )  =  ( − 3 )^ 2  −  3 ( − 3 )  −  7

= 9 + 9 − 7 = 11

hope this helps

sorry if wrong

#Virgo2007

4 0
3 years ago
Read 2 more answers
The game has 12 three-minute rounds. If the players stop after two minutes of the twelfth round, for how many minutes did they p
gogolik [260]
First of all we know he is at the 12th round, so 11 rounds of 3 minutes passed, so 11 x 3= 33 minutes passed, but we also know that he passed two minutes of the 12th round so 33+2= 35 minutes.
The player played for 35 minutes.
6 0
3 years ago
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