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asambeis [7]
3 years ago
9

MARKING BRAINLEIST IF CORRECT AND QUICK

Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0

Answer:-6+(-10)+(-0.75)+(-0.25)

Step-by-step explanation:

This is the answer since both equations are negative. Everything will be negative in expression form.

lina2011 [118]3 years ago
4 0
The forrest answer will be A the top left one
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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
Find the sum of (8a + 2b - 4 ) and ( 3b - 5 ) <br> please help !!!
eimsori [14]

Answer:

The answer is: 8a + 5b - 9

8 0
2 years ago
Read 2 more answers
Select the correct answer from each drop-down menu. ronald is buying a rectangular chest to store his carpentry tools. the heigh
shepuryov [24]

<u>The function that represents the </u><u>volume</u><u> of the chest is </u><u>40.</u>

What is a volume simple definition?

  • The amount of space occupied by a three-dimensional figure as measured in cubic units (as inches, quarts, or centimeters)  cubic capacity.
  • The amount of a substance occupying a particular volume.

When the Area of rectangular chest:

A(x) = 20√x /3

⇒ Volume of chest = Base area  x Height

Therefore:

(X + 6) × 20√x /3

(20x√x /3 ) + (20 × 6√x/3)

(20x√x /3 ) + (20 × 2 × 3√x/3)

(20x√x/3) + 40√x

Therefore, the correct answer for the drop-down menu is that the first blank is multiply and the second blank is 40.

Learn more about Volume

brainly.com/question/1578538

#SPJ4

8 0
1 year ago
Three sailors were marooned on a deserted island that was also inhabited by a band of monkeys. The sailors worked all day to col
noname [10]

Step-by-step explanation:

x-the initial number of coconuts

x=3y+1

2y=3z+1

2z=3×7+1=>z=11=>y=17=>x=52

7 0
2 years ago
If Victor were to put apples in bags so that there were 2 kg in each, then he would use 9 more bags than if he were to place 3 k
Cerrena [4.2K]
Let the number of bags that he would have been used to put 3 kg of apples be x. Thus the number of bags that would be used to put 2kgs will therefore be (x+9), hence the total number of kgs the bags will hold will be given by:
3*x=3x kgs
2(x+9)=(2x+18) kgs
since the total weights are the same then:
2x+18=3x
hence
18=3x-2x
18=x
thus the number of bags required to put 3 kgs of apples will be 18. Thus the total Kgs of apples was:
3x
=3*18
=54 kgs
8 0
3 years ago
Read 2 more answers
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