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7nadin3 [17]
3 years ago
13

PLEASE HELP FAST

Mathematics
2 answers:
Zigmanuir [339]3 years ago
4 0

Answer:

c=81

Step-by-step explanation:

Take half of b: 18/2=9

Square the result: 9²=81

This is your value of c that will result in a perfect square trinomial, which is c=81. If you were to keep going, you would do the following:

x²+18x+81=25+81

x²+18x+81=106

(x+9)^2=106 <-- Final simplification

(x+9

jonny [76]3 years ago
3 0

Answer:

c=81

Step-by-step explanation:

pls give me banliest

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Solve the inequality for u. 55 &gt; 4u + 15 Simplify your answer as much as possible.​
valentinak56 [21]

Step-by-step explanation:

55 > 4u + 15

40 > 4u

10 > u

so, this is true for all u < 10

4 0
3 years ago
A car leaves its garage and travels for 30km on a bearing of 145, then 10 km on a bearing of 250 Calculate a) the distance trave
OverLord2011 [107]

The distance travelled from the starting point is 29 km , the bearing is 344 degree

The missing diagram is attached with the answer.

<h3>What is Bearing Angle ?</h3>

It is the horizontal angle between the object and another object.

It is given that the car starts from point travels for 30km on a bearing of 145, then 10 km on a bearing of 250

(a) the distance travelled from the starting point

It can be understood from the diagram that

To determine the distance , b is to determined4

By applying Cosine rule

b² = a² +c²-2ac cos\rm \theta

b² = 10²  +30²  - 2* 30*10 cos75

b² = 100+900 -600* 0.2588

b² = 100-155.2914

b² = 844.7

b = 29 km

Therefore the distance travelled from the starting point is 29 km.

(b) the bearing of the starting point from the car.

To determine the bearing ,

angle C has to be determined

By sine rule

sin C / c = sin B / b

sin C = sin 75 * 30 / 29

sin C = 0.9970

C = sin⁻¹ 0.9970

C = 85.59 degree

angle C = α +70 degree

α  = 15.59 degree

Bearing = 70 + 20 + 9 0 + 90+74 = 244 degree

To know more about Bearing

brainly.com/question/9214012

#SPJ1

5 0
2 years ago
Upper bound and lower bound of 17
Licemer1 [7]

Answer:

Step-by-step explanation:

Hey there this si the upper and lower bound for 17

16.5<17<17.5

8 0
3 years ago
Mr. Simmons buys a car for a total cost of $9,899. He can pay $206 a month but no more. He determines that he will make 49 payme
GaryK [48]
9,899 = 206x
He divided by 206
He got 48.053 and rounded up to 49
My using the equation, we can see that he is correct.
4 0
3 years ago
Please answer these questions and please show your work. I'm giving 30 points for this question, so please answer honestly.
ASHA 777 [7]

Answer:

just use symbolab it gives you the answer and the work

Step-by-step explanation:

i would show you but its easier if you do it

7 0
3 years ago
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