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kumpel [21]
3 years ago
11

How can i find values if h(-4) h(x)=1/2x-1???

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0

plug in -4 in for x. then solve.

h(-4)=1/2(-4)-1

h(-4)= -3

You might be interested in
I really need help
Zielflug [23.3K]

Answer:

The answer is (C)

The equation of the circle is (x + 4)² + (y - 6)² = 81

Step-by-step explanation:

* To find the equation of the circle you need to know

  the center of the circle and the length of its radius

* The rule of the equation of the circle is:

  (x - h)² + (y - k)² = r²

  Where x and y is a general point on the circle,

  h and k are the coordinates of the center of the circle

  and r is the radius of the circle

∵ The center of the circle is (-4 , 6)

∵ The radius of the circle is 9

∴ (x - -4)² + (y - 6)² = 9²

∴ ( x + 4)² + (y - 6)² = 81

∴ The answer is (C)

3 0
3 years ago
By what percent will the fraction change if its numerator is increased by 25% and its denominator is increased by 20%? please an
d1i1m1o1n [39]
<h2>Answer:</h2><h2>The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %</h2>

Step-by-step explanation:

Let the fraction be represented as \frac{x}{y} where x is the numerator and y is the denominator

Given that numerator will increase by 25 %, = 25% x

   = 0.25 x

Given that denominator will increase by 20 %, = 20% y

   = 0.2 y

The new fraction becomes  = \frac{x + 0.25 x}{y + 0.2 y}

= \frac{1.25 x}{1.2 y}

= (\frac{1.25}{1.2} ) \frac{x}{y}

The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %

5 0
3 years ago
An 18 pound turkey cooks for 4.5 hours. How long will it take for a 12 pound turkey to cook?
OverLord2011 [107]

Answer:

3 hours

Step-by-step explanation:

We can solve using ratios

18 lbs            12 lbs

------------ = --------------

4.5 hrs          x hours

Using cross products

18x = 12 * 4.5

18x = 54

Divide by 18

18x/18 = 54/18

x=3

6 0
3 years ago
Read 2 more answers
What are the factors of 36xyz?<br><br> A. 36,x,y<br> B. 36x,y,z<br> C. x,y,z<br> D. 36,x,y and z
mixas84 [53]

Answer:

ç

Step-by-step explanation:

8 0
3 years ago
Show me your work please
Crazy boy [7]
B. -6x +11y = 13 that's the answer to your test
6 0
3 years ago
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