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madam [21]
3 years ago
8

Solve the equation for x.

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

X= -1

Step-by-step explanation:

(\frac{1}{3} )(6x)+(\frac{1}{3} )(-15)=(\frac{1}{2} )(10x)+(\frac{1}{2} )(-4)

(Distribute)

2x+−5=5x+−2

2x−5=5x−2

Step 2: Subtract 5x from both sides.

2x−5−5x=5x−2−5x

−3x−5=−2

Step 3: Add 5 to both sides.

−3x−5+5=−2+5

−3x=3

Step 4: Divide both sides by -3.

Which = -1

Hope this helps :)

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I don’t know what to do with the 3 feet above the ground
Slav-nsk [51]

Answer:

3 seconds

Step-by-step explanation:

You want to set h(t)=3, then take the root such that t≠0. You would have:

3=3+48t−16t^2

Let's solve your equation step-by-step.

3=3+48t−16t2

Step 1: Simplify both sides of the equation.

3=−16t2+48t+3

Step 2: Subtract -16t^2+48t+3 from both sides.

3−(−16t2+48t+3)=−16t2+48t+3−(−16t2+48t+3)

16t2−48t=0

Step 3: Factor left side of equation.

16t(t−3)=0

Step 4: Set factors equal to 0.

16t=0 or t−3=0

t=0 or t=3

3 makes more sense than 0 because the ball can't have been in the air for 0 seconds.

So the ball was in the air for 3 seconds.

7 0
3 years ago
A fence is to be installed around a rectangular field. the​ field's perimeter is 204204 feet. find the dimensions of the field i
dem82 [27]
204204 - 16 = 204188
204188 / 4 = 51,047

width = 51,047
length = 51,055
4 0
3 years ago
10 1/8 + (3 5/8+2 7/8)
Mama L [17]
This is the correct answer try it....

133/8
4 0
3 years ago
Read 2 more answers
A student solved this problem and said the answer was 8 3/4 hours.
aleksklad [387]
No way is this correct!
5-3/2-9/4=1 1/4
The answer is C.
7 0
3 years ago
Please answer quick!!
IRINA_888 [86]

Answer:

mBC = 96°

mB = 55°

mC = 77°

mAB = 154°

Step-by-step explanation:

The angle mB inscribes the arc mAC, so we have:

mB = mAC / 2

mB = 110 / 2 = 55\°

The sum of internal angles of a triangle is 180°, so in the triangle ABC we have:

mA + mB + mC = 180

48 + 55 + mC = 180

mC = 180 - 48 - 55

mC = 77\°

Using again the property of inscribed angles, we have:

mAB = 2*mC = 154\°

mBC = 2*mA = 96\°

7 0
3 years ago
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