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Lemur [1.5K]
3 years ago
7

What is the inverse of the function f(x)=2x-10

Mathematics
2 answers:
Strike441 [17]3 years ago
3 0
So just switch x and y to get: x = 2y -10 and solve for x.

so f(-1) = x = 2y -10
Elan Coil [88]3 years ago
3 0
I the answer would be F^ -1 (X)=1/2X +5
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I need help on this question
vodka [1.7K]

Answer

Arc EF = 52°

Arc HD = 142°

Angle HGF = 128°

Explanation

To solve for the unknown angles, we need to first solve for x

To do that, we need to first note that the sum of angles on a straight line is 180°

So,

Angle HCG + Angle HCD = 180° (Sum of angles on a straight line)

Angle HCG = 2x

Angle HCD = 6x + 28°

Angle HCG + Angle HCD = 180°

2x + 6x + 28° = 180°

8x + 28° = 180°

8x = 180° - 28°

8x = 152°

Divide both sides by 8

(8x/8) = (152°/8)

x = 19°

Angle HCG = 2x = 2 (19°) = 38°

Angle HCD = 6x + 28° = 6(19°) + 28° = 142°

So, we can solve for the rest now

Arc EF = Angle ECF

= 90° - Angle ECD

Angle ECD = Angle HCG = 38° (Vertically opposite angles are equal)

Arc EF = Angle ECF

= 90° - Angle ECD

= 90° - 38°

= 52°

Arc HD = Angle HCD = 142°

Angle HGF = Angle HCG + Angle GCF = 38° + 90° = 128°

Hope this Helps!!!

6 0
1 year ago
Find the least common multiple of these two expressions. 15x^7y^3u^8 and 6y^4u^5
snow_tiger [21]

Answer:

30x^7y^4u^8

Step-by-step explanation:

We have been given two expressions 15x^7y^3u^8 and

6y^4u^5

Now we need to find out least common multiple of these two expressions.

First we need to find out what is common factor of both expressions. 15x^7y^3u^8 and

6y^4u^5

Least common multiple means find the expression which can be divided by both expressions.

15 and 6 both goes into 30

so 30 is part of LCM (least common multiple )

Now pickup the highest exponent of each variable.

So we get x^7y^4u^8

Hence required least common multiple is 30x^7y^4u^8

8 0
3 years ago
Line d is parallel to line c in the figure below.
Lubov Fominskaja [6]

Answer:

gas station= 25.12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Twice a day cameron's cat eats 4 ounces of dry cat food and 3 ounces of wet cat food. Dry food comes in a 5-pound bag. Wet food
Igoryamba
12 bags of dry food & 7 cans of wet food
4 0
3 years ago
Hi its me again i need help <br> Math vs me i lose :(
rjkz [21]

Answer:

No she is not correct because they ARE correct

Step-by-step explanation:

to figure out if it's proportional you do y over x and simplify...

they would all equal 5

5 0
3 years ago
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