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Genrish500 [490]
3 years ago
12

Find g(x)-f(x). g(x)=x^2+1 and f(x)=2x+5

Mathematics
1 answer:
UkoKoshka [18]3 years ago
8 0

Answer:

g(x) - f(x) = x^{2} - 2x - 4

Step-by-step explanation:

g(x) - f(x) = (x^{2} + 1) - (2x + 5)

<em><u>Multiply the -1 in then add the two expressions together.</u></em>

(x^{2} + 1) + (-2x - 5) = x^{2} - 2x - 4

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Prove the identity <br> 2sin^2x - 1 = sin^2x - cos^2x
faust18 [17]
Hello,

sin² x-cos² x=sin² x-(1-sin² x)=2sin² x-1
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7 0
3 years ago
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Solve for x*<br> (17x - 8)
djyliett [7]

Answer:x=4

Step-by-step explanation:

This triangle is an equilateral triangle with all angles equal.

Sum of angles in a triangle=180

17x-8+17x-8+17x-8=180

Collect like terms

17x+17x+17x-8-8-8=180

51x-24=180

51x=180+24

51x=204

Divide both sides by 51

51x/51=204/51

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3 0
3 years ago
Please help! Find the approximate location of the decimal form of 2/3 on the number line below
kirill115 [55]

Answer:

C

Step-by-step explanation:

The answer would be C because 2/3 as a decimal is 0.6666 and it goes on forever. D is at 0.75 which is too big and a and b are less than 0.5, so C is the correct answer.

8 0
3 years ago
Ok so I have math homework and I need so help ASAP I need to find the average of 35 40 12 16 25 and 10 so could someone plz plz
sleet_krkn [62]

Answer: 23! Add your numbers, and divide that sum by the amount of numbers added to get average!

Step-by-step explanation:

The average is found by adding all numbers of the sample, and diving by the amount of numbers added. For example:

The average of 1, 2, and 3. You first add 1 + 2 + 3 to get 6.

You then divide 6 by the number of numbers added, being 3 (1, 2, and 3.).

6 / 3 = 2. The average of 1, 2, and 3 is 2.

In your case, you have 35, 40, 12, 16, 25, and 10.

First you add 35 + 40 + 12 + 16 + 25 + 10 to get 138.

Then you divide 138 by the amount of numbers you added: 6.

138 divided by 6 = 23 (138/6).

Hope this helps!

Add your numbers, and divide that sum by the amount of numbers added to get average!

4 0
3 years ago
Read 2 more answers
Find the value of x.
azamat

Answer:

98 °

Step-by-step explanation:

We know that the sum of the angles in a triangle is 180. We also know that angle DAB is 122°, meaning that angle CAB is 180-122, which is 58°. We also know that angle CBA is 24 degrees. Therefore, angle x is just 180-(58+24), which is 98

3 0
3 years ago
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