How do you solve 2.5x-8=5x+12

Answers

Answer 1

Answer: 2.5x-8=5x+12
-2.5x -2.5x
--------------------
-8=2.5x+12
-12 -12
--------------------
-20 = 2.5x
------ ------
2.5 2.5
x=-8

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A single tennis court is 75% the width of a doubles tennis court. The singles court is 27 feet wide. How wide is the doubles court?

Answers

x = 75% * y

Where 'x' is the single tennis court width, and 'y' is the doubles tennis court width.

Plug in what we know:

27 = 75% * y

75% = 0.75

27 = 0.75 * y

27 = 0.75y

Divide 0.75 to both sides:

y = 36

So the doubles court is 36 feet wide.

So,

The single tennis court is three-fourths the width of the double tennis court.

The singles tennis court is 27 ft. wide.

Multiply 27 by the reciprocal of three-fourths.
$27 * (4)/(3) = (108)/(3)\ or\ 36 ft.$

The doubles tennis court is 36 ft. wide.

Susan rode her bike 30 kilometers in 2.5 hour. How fast did she ride her bike in kilometers per hour

Answers

The answer is 12. All you had to do was divide.
So, 30 divided by 2.5 equals 12.
I hope this helps!

speed= distance : time
= 30 : 2.5
= 12

answer: 12 km/h

What is the common difference between the elements of the arithmetic sequence below?–18, –22.5, –27, –31.5, –36

Answers

Answer:

sorry this is late but the answer is -4.5.

Step-by-step explanation:

I got this right on edge! Please give this a like and mark brainliest!

The sequence:

-18 , -22.5 , -27 , -31.5 , -36

Common difference:

(-18 - -22.5) = (-22.5 - -27) = (-27 - -31.5) = (-31.5 - -36) = 4.5 ( When two minuses come together, they make a plus. So difference is certainly the positive next number - positive previous number to give 4.5)

Common difference = 4.5

Type of the sequence: Arithmetic sequence.

In the given figure , if AB l BD , then the value of x is

Answers

In the figure as we can see -

Angle 32 = Angle DAB (vertically opposite angles)

Angle ABD = 90 degrees

And we know that,

$Sum$ $of$ $all$ $angles$ $of$ $triangle$ $=180$ $degrees$

So,

$32+90+x+14=180$

$136+x=180$

$x=180-136$

$x=44$ $degrees$

$x+14+90+32=180\n x=44$

I need help on this question.

Answers

Let's go:

The circumcenter is the intersection of the perpendicular bisectors on the sides of a triangle. An important property of the circumcenter is the fact that it is equidistant from its vertices. PC = RC = QC:

3x + 7 = 51 - x

3x + x = 51 - 7

4x = 44

x = 11

I hope I helped you.

I will upvote and give brainliest answer

Answers

Answer:

yes

Step-by-step explanation:

it is possible to have a triangle with 8.8 cm, 8.0 cm and 8.8 cm. Step-by-step explanation: Condition on sides of triangle: The triangle inequality states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Answer:

yes

Step-by-step explanation:

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