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Snezhnost [94]
3 years ago
6

Write an equation for the description. Two-thirds a number x plus 5 is 8.

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0

Answer:

2/3x+5=8

Step-by-step explanation:

nydimaria [60]3 years ago
5 0
2/3x + 5 = 8

That’s the way I would do it hope it isn’t wrong :)
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This should be easy for you <br> Please help me
Alik [6]

Explanation:

a. The line joining the midpoints of the parallel bases is perpendicular to both of them. It is the line of symmetry for the trapezoid. This means the angles and sides on one side of that line of symmetry are congruent to the corresponding angles and sides on the other side of the line. The diagonals are the same length.

__

b. We observe that adjacent pairs of points have the same x-coordinate, so are on vertical lines, which have undefined slope. KN is a segment of the line x=1; LM is a segment of the line x=3. If the trapezoid is isosceles, the midpoints of these segments will be on a horizontal line. The midpoint of KN is at y=(3-2)/2 = 1/2. The midpoint of LM is at y=(1+0)/2 = 1/2. These points are on the same horizontal line, so the trapezoid <em>is isosceles</em>.

__

c. We observed in part (b) that the parallel sides are KN and LM. The coordinate difference between K and L is (1, 3) -(3, 1) = (-2, 2). That is, segment KL is the hypotenuse of an isosceles right triangle with side lengths 2, so the lengths of KL and MN are both 2√2.

_____

For part (c), we used the shortcut that the hypotenuse of an isosceles right triangle is √2 times the leg length.

7 0
3 years ago
Screenshot of the math question below
liubo4ka [24]

Answer:

1 hour and 25 minutes

Step-by-step explanation:

There is a 2 1/2 grid unit separation. If each grid unit represents 20 miles, there is a 50 mile separation. 50/40=1.25. It will take a truck driving at 40 miles per hour 1 hour and 25 minutes to drive from warehouse N to this store.

3 0
2 years ago
Read 2 more answers
Please give me the right answer
ivann1987 [24]

Answer:j

Step-by-step explanation:

If it’s closed it would be greater than -2 but since it’s open it’s equal or greater than

8 0
3 years ago
My Teacher Assigned Me Homework,If You Can Please Help Me To Try To Fiqure Out The Answer To This Problem.
pishuonlain [190]
You got the first part right but you need the end so 4*3*1= 12 feet to turn feet into inch you times by 12 so 12*12=144 inc+99=243 cubic inc i think
6 0
3 years ago
Help me, I don't understand how to do it.
Levart [38]

Answer:

Aplha=105

Step-by-step explanation:

The perpendicular looks like double the base hence that angle is 30 and the other triangle have equal perpendicular and base, that angle is 45. So alpha+30+45=180, alpha=105

7 0
3 years ago
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