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anastassius [24]
3 years ago
7

Solve for J MUST SHOW WORK j/-2 + 7 = -12 thx!!

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Answer:

j=38

Step-by-step explanation:

j/-2 +7=-12,  subtract 7 from both sides of the equation and you get j/-2 = -19, then you multiply j/-2 by -2/1  and multiply -19 by -2/1 to get j= 38

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∠1 is a supplement of ∠2, ∠2 is a complement of ∠3, and m∠1=115∘. Find m∠2 - ∠3
Tems11 [23]

Answer:

180-115=65

<2=65

90-65=25

<3=25

65-25=40

The answer is 40

Step-by-step explanation:

7 0
3 years ago
Solve. X^2+20x+100=50
choli [55]
1. You con solve the quadratic equation x^2+20x+100=50<span> by following the proccedure below:
 
 2. Pass the number 50 from the right member to the left member. Then you obtain:
 
 x^2+20x+100-50=0
</span><span> x^2+20x+50=0
</span><span> 
 3. Then, you must apply the quadratic equation, which is:
 
 x=(-b±√(b^2-4ac))/2a
 
 </span><span>x^2+20x+50=0
</span><span> 
 a=1
 b=20
 c=50
 

  4. Therefore, when you simplify, the result is:
 
  -10</span><span>±5</span>√2   (It is the last option).<span>


 
 
 
 
 
 </span>
5 0
4 years ago
I need help with this please I’ve done this question so many times and I keep on getting false answers
Mkey [24]

Answer:

a=-1 b=3 h=-4 k=5. Hope this helps.

Step-by-step explanation:

We need to find transformations from f(x) to g(x).

K is formula usually means vertical shift. Vertical shift are usually at right end of formula. f(x) has a vertical shift of zero, while g(x) vertical shift is 5. So our k is 5.

h represent our horizontal shift in a equation.

Our horizontal shift is opposite of the sign given.

F(x) has no hoeinzontal shift, while g(x) has x+4.

Set x+4=0

x + 4 = 0

x  =  - 4

so our h is -4.

B represent our horizontal compression or stretch.

Our horizontal compression/stretch is reciprocal of our b given.

f(x) has no compression or stretch, while g(x) has 1/3x.

Set 1/3x to one.

\frac{1}{3} x = 1

x = 3

so our b is 3.

A represents the vertical compression/ stretch. F(x) doesnt have one but G(x) does.

Since it has just a negative sign in front of it, the compression is -1 so a=-1

8 0
3 years ago
Shawna can paint a fence in 8 hours. Kevin can paint the same fence in 4 hours. How long will it take them working together? Sho
saw5 [17]

Answer: 2.66 hours

Step-by-step explanation:

Shawana can paint a fence in 8hours which means in one hour she can paint 1/8 of a fence.

Kevin can paint the same fence in 4 hours, so in one hour he can paint 1/4 of the fence.

Together in 1 hour they can paint 1/8 + 1/4 = 3/8

Total hours for painting is 3/8 or 2.66 hours

6 0
3 years ago
Read 2 more answers
What is the greatest common factor of 24s3, 12s4, and 18s?
slava [35]

Answer:

Step-by-step explanation:

The GCF if 24s^3, 12s^4 and 18s is

24s^3: 2^3 * 3 s s s

12s^4: 2^2 * 3 s *s* s* s

18s: 3^2 * 2 s

3s is the GCF

7 0
3 years ago
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