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julia-pushkina [17]
1 year ago
9

The following duties need to be carried out: clean the board, arrange

Mathematics
1 answer:
ollegr [7]1 year ago
8 0

Step-by-step explanation:

every single person will do 1/4 of each job.

divide into 2 group and each person will do half of one job and half of another.

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Find the system determinant of the given matrix.<br><br>FAST please.
cricket20 [7]

Answer:

the answer is -30

Step-by-step explanation:

| 2 4 |

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= - 18 - 12

= -30

7 0
3 years ago
The linear plot shows how water pressure changes as a diver's depth increases. What is the best
vazorg [7]

Answer:

Step-by-step explanation:

It would be A, the first one.

4 0
3 years ago
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What is the equation of the parabola?
Neporo4naja [7]

Answer:

y = -1/8 x² + 5

Step-by-step explanation:

Parabola opens vertically and vertex (h,k) = (0,5), pass point (4,3)

basic formula: y = a(x - h)² + k

y = a (x-0)² + 5

y = ax² + 5         pass (4,3)

3 = 16a + 5

a = (3-5)/16 = -1/8

equation: y = -1/8 x² + 5

check: pass another point (-4,3)

-1/8 * (-4)² + 5 = -2 + 5 = 3

5 0
3 years ago
The base of a cube is parallel to the horizon. If the cube is cut by a plane to form a cross section, under what circumstance ca
Nikolay [14]
Based on the given question above, the correct answer would be the fourth option. The <span>circumstance that the cross section can be a non-rectangular parallelogram is that, </span><span>when the plane makes an acute angle to the base and intersects three vertical faces. Hope this answers the question. </span>
7 0
3 years ago
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Need help with number 8
natka813 [3]
Perimeter is 2(2x+5)+2(x-2) which is 4x+10+2x-4 which is in turn 6x+6. 6x+6 is the perimeter. Hope I helped!
8 0
3 years ago
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