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lesantik [10]
3 years ago
10

X-9/2=-12 guys please help

Mathematics
2 answers:
Lesechka [4]3 years ago
8 0

<u>Step-by-step explanation:</u>

How to solve for x?

Eliminate -(9/2) to find out the value of x.

<u>Add 9/2 to both sides of the equation:</u>

x =  - 7.5

Korvikt [17]3 years ago
4 0

Answer

x= -7.5

Step-by-step explanation:

x -\frac{9}{2} = -12

x -\frac{9}{2} + \frac{9}{2} = -12 + \frac{9}{2}  (add \frac{9}{2} to both sides)

x = -\frac{15}{2}

-\frac{15}{2}  = -7.5

x= -7.5

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Harry Potter decides it’s too cold for him to stay in Hogwarts and wants to fly straight south. He is not sure where to point hi
GrogVix [38]

Harry Potter decides it’s too cold for him to stay in Hogwarts and wants to fly straight south, the heading he should have and the velocity of the broom with respect to the ground are mathematically given as

VR = 20, 699 m/s South

<h3>What is the heading he should have and the velocity of the broom with respect to the ground?</h3>

Divide horizontal and vertical components of Vs and Vw vectors

For Vs

Vs = Vs cos∅ [s] + Vs Sin∅ [w]

Vs = 18 Co58 [s] + 18 sin∅ [w]

For Vw

Vw = Vw Cos 55' [s] + Vw Sin 55 [E]

5.8333 x Cos 55 (s) + 5-8333 Sin 55 [E]

Vw = 3.3458 [s] + 4.7783 [E]

Resultant velocity VR = Vs + Vw

VR= 18 Coso (s) + 18 sine [w] +3.3458 (5) +42783 (E)

VR = (186030 +3.3458) [5] + (18sing - 4.7183)6]

(Harry Potter) flies south

18sin∅ - 4.7783 18=0

Hence

Sin∅ = 4.7783 18/18

∅ =sin{-1}(4.7783 18/18)

∅  = 15.3943

Harry Potter flies in the direction south to ∅ = $15.3943w]

Hence  velocity

VR = (18 cos∅   + 35452) s + 0

VR = (17.3541 +3-3458) s

VR = 20, 69999 m/s South

Read more about Co-ordinate

brainly.com/question/4511664

#SPJ1

3 0
2 years ago
What is the 2nd equivalent fraction to <br> 1/11
alisha [4.7K]
2/22.
i think
sorry if it’s wrong
6 0
3 years ago
Tickets at a play cost $10 or $14. If 800 tickets were sold and $9,040 was collected by the box office, how many $14 tickets wer
pav-90 [236]
STEP 1:
determine equations needed

x= # of $10 tickets
y= # of $14 tickets

QUANTITY EQUATION
x + y= 800

COST EQUATION
$10x + $14y= $9,040


STEP 2:
multiply quantity equation by -14

-14(x + y)= -14(800)
-14x - 14y= -11,200


STEP 3:
add new quantity equation in step 2 to cost equation of step 1 to solve for x using elimination

-14x - 14y= -11,200
10x + 14y= 9040
y term cancels out

-4x= -2160
divide both sides by -4

x= 540 ten dollar tickets


STEP 4:
substitute x value in step 3 into either original equation

x + y= 800
540 + y= 800
subtract 540 from both sides

y= 260 fourteen dollar tickets


ANSWER: There were 540 $10 tickets and 260 $14 tickets sold.

Hope this helps! :)
5 0
3 years ago
PLS HELP ME AND SHOW WORK.
mario62 [17]

Answer:

(x-2)^{2} +(y+6)^{2} =49

Step-by-step explanation:

equation of circle =

(x-h) ^{2} + ( y-k)^{2} = r^{2}

( h , k ) = center of origin

r^{2} = radius

origin = ( 2 , -6 )

radius = 7

(x-2)^2+(y+6)^2=49

3 0
3 years ago
1. You have two playing cards with a sum of (−12) in your hand.
Verdich [7]
Yes the person is right I was trying to type it but they beat me to it
3 0
3 years ago
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