3 years ago

What is the value of 8(−6÷−2)?

Mathematics

1 answer:

cestrela7 [59]3 years ago

4 0

Answer:

Step-by-step explanation:

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An aquarium tank can hold 5400 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can

Nady [450]

Answer:

36 minutes when both pipes are working together

Step-by-step explanation:

capacity of tank = 5400 liters

Pipe A flow per mint. = 5400/90 = 60 liters per mint.

Pipe B flow per mint. = 5400/60 = 90 liters per mint.

Flow of A + B per mint. 60 + 90 = 150 liter per mint.

Therefore, 5400 / 150 = 36 minutes to fill the tank

8 0

3 years ago

Find the coordinates of the transformed image when the pre-image is reflected over the line x=2

zepelin [54]

A’= (10,1)
B’= (8,1)
C’= (9,5)
D’= (7,5)

hope this helps!

8 0

3 years ago

How do you find the question mark on #4?

kiruha [24]

64÷2 =32
90-32=58
58+58=116
360-116=244
?=244°

5 0

3 years ago

Simplify fully: (Question is on the photo).

dedylja [7]

Step-by-step explanation:

$4(x + 3) {z}^{ - 1}$

6 0

3 years ago

Read 2 more answers

Given a triangle ABC at A = ( - 1, 3 ) B = ( 1, - 1 ) C = ( 2, 2 ) and if the triangle is rotated 90 ° clockwise about the point

lidiya [134]

Answer:

The coordinates of A' are (6,6).

Step-by-step explanation:

It is given that in triangle ABC, A = (-1, 3), B = (1, - 1) and C = (2, 2).

If a point is rotated 90 ° clockwise about the point ( a,b ), then

$(x,y)\rightarrow ((y-b)+a,-(x-a)+b)$

It is given that the triangle is rotated 90 ° clockwise about the point ( 4, 1 ). So, a=4 and b=1.

$(x,y)\rightarrow ((y-1)+4,-(x-4)+1)$

$(x,y)\rightarrow (y+3,-x+5)$

The coordinates of A are (-1,3), So, the coordinates of A' are

$A(-1,3)\rightarrow A'(3+3,-(-1)+5)$

$A(-1,3)\rightarrow A'(6,6)$

Therefore the coordinates of A' are (6,6).

7 0

3 years ago