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Thepotemich [5.8K]
2 years ago
6

WILL GIVE BRANLIEST

Mathematics
1 answer:
arsen [322]2 years ago
6 0

Answer:

<h2>m<ABD = 36°</h2><h2>m<DBC = 54°</h2>

Step-by-step explanation:

2 + 3 = 5

90° : 5 = 18

18 × 2 = 36

m<ABD = 36°

18 × 3 = 54

m<DBC = 54°

<h3>#Let'sLearn</h3>
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Are the functions inverse of each other?<br><br> f(x)=5x^2+3, g(x)sqrt x-3/5
luda_lava [24]

Answer:

No.

Step-by-step explanation:

Plugging in g(x) into f(x), you don't get x. g(x) would need to be = \sqrt{x\frac{-3}{5} }

3 0
2 years ago
Read 2 more answers
If f(x) =3x-5 them find values of f(3) and f(-7). please explain step by step​
LenKa [72]

Answer:

f(3) = 4

f(-7) = -26

Step-by-step explanation:

Hi there!

f(x) =3x-5

To find f(3), replace every x with 3:

f(3) =3(3)-5\\f(3) =9-5\\f(3) =4

Therefore, f(3)=4.

f(x) =3x-5

To find f(-7), replace every x with -7:

f(-7) =3(-7)-5\\f(-7) =-21-5\\f(-7) =-26

Therefore, f(-7)=-26.

I hope this helps!

8 0
2 years ago
Solve for v.<br> 19v – 18 = 16 + 17v
GarryVolchara [31]

Answer:

v= 17

Step-by-step explanation:

Start with the given equation.

19v – 18 = 16 + 17v

Move -18 to the other side, and swap it's sign.

19v = 16 + 18 + 17v

Move 17v to the other side and swap it's sign.

19v - 17v = 16 + 18

Combine like terms.

2v = 34

Divide by 2v.

v = 17

8 0
2 years ago
Read 2 more answers
Inverse of f(x)=3/2x +6
kvasek [131]

Answer:

f(x) = (x - 6)/(3/2)

Step-by-step explanation:

7 0
3 years ago
What is the slope of a line parallel to the line with equation 5x + 3y = 7?
weeeeeb [17]

Answer:

-5/3

Step-by-step explanation:

Parallel lines are lines which have the exact same slope but different y-intercepts. We can find the slope by converting to slope-intercept form, y=mx+b from standard form.

We convert by using inverse operations to isolate y.

5x+3y=7

5x-5x+3y=7-5x

0x+3y=-5x+7

3y=-5x+7

\frac{3y}{3} =\frac{-5x+7}{3} \\y=\frac{-5}{3}x+\frac{7}{3}.

The slope is -5/3. SInce parallel lines have the same slope, the slope for a parallel line will be -5/3.

3 0
3 years ago
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