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Julli [10]
3 years ago
6

Need some help on my precalculus homework

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0

Answer:

#4 vertex form

and

vertex (h,k)

Step-by-step explanation:

vertex form

-2(x-3)^2+32

vertex

(h,k)

(3,32)

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3(r+2)+5(2-r) =-32 can someone tell em the answer to that please
Alex17521 [72]

Answer:

r = 24

Step-by-step explanation:

3(r+2)+5(2−r)=−32

Step 1: Simplify both sides of the equation.

3(r+2)+5(2−r)=−32

(3)(r)+(3)(2)+(5)(2)+(5)(−r)=−32(Distribute)

3r+6+10+−5r=−32

(3r+−5r)+(6+10)=−32(Combine Like Terms)

−2r+16=−32

−2r+16=−32

Step 2: Subtract 16 from both sides.

−2r+16−16=−32−16

−2r=−48

Step 3: Divide both sides by -2.

−2r/-2 = -48/-2

r = 24  

8 0
2 years ago
Read 2 more answers
Use the image below to answer the following parts.
12345 [234]

Answer:

Step-by-step explanation:

Part A

Since, the given angles are formed at a point are on a straight line, sum of these angles will be 180°.

Part B

(3x - 5)° + (4x + 2)° + (2x + 3)° = 180°

9x = 180

x = 20

Part C

m∠ADB = (3x -  5)°

             = (3×20 - 5)°

             = 55°

m∠DBK = (4x + 2)°

             = (4×20 + 2)°

             = 82°

m∠KBC = (2x + 3)°

             = (2×20 + 3)°

             = 43°

6 0
3 years ago
Help me help me help me help me help me help me help me help me help me
kirza4 [7]

Answer:

a) x=7

b) x=4

c) x= 1/9

I hope this helps! Do you need more help?

6 0
2 years ago
Read 2 more answers
The stock market gained 45 points on Tuesday and lost 32 points on Wednesday. It had closed on Monday at 2760 points. Where did
Svetllana [295]

Answer:

The market closed with a rating of 2773 points on Wednesday.

Step-by-step explanation:

Lets start with what we know:

Monday at close it had a rating of 2760 points.

Tuesday it gained 45 points.

Wednesday it had lost 32 points.

Once written out it becomes less intimidating to answer.

Monday + Tuesday + Wednesday = Answer

2760 + 45 - 32

= 2805 - 32

= 2773

7 0
2 years ago
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Over the course of a weekend, the temperature drops 14.2 degrees on Friday, rises 13 degrees on Saturday, and drops another 10.8
Vladimir79 [104]
\bf \begin{array}{llrll}
friday&\downarrow &-14.20\\
saturday&\uparrow &+13.00\\
sunday&\downarrow &-10.80\\
&&\text{\textemdash\textemdash\textemdash}\\
&\Downarrow&-12.00
\end{array}
5 0
3 years ago
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