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2 years ago

PLEASE HELP DONT ANSWER IF YOU DONT KNOW....

Mathematics

2 answers:

Damm [24]2 years ago

4 0

Answer:

5.7 Round it and you will get that

Alex777 [14]2 years ago

3 0

Answer:

cant see pic

Step-by-step explanation:

reply with what it says :) awnser :

5.7

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Water flows from a tank with a rectangular base measuring 80cm by 70cm into another tank with a squarebase of side 60cm. If the

defon

Answer:

70cm

Step-by-step explanation:

Since, both of the tank posses the same quantity of water then there volume is the same thing

For rectangular base

Volume= (Lenght × breadth × hheight)

If we substitute values

Lenght= 80 cm

Breadth= 70 cm

height= 45 cm

Volume= 80cm × 70cm × 45cm

Volume= 252000cm^3

For square base

Volume= (side)^2 × height

side =60cm.

But volume of square base= volume of

rectangular base

252000cm^3= 60^2 × height

Height= (252000cm^3)/(60^2 )

Height= 70 cm

Hence, the second tank is 70 cm deep

4 0

2 years ago

shira was riding the screamer when it broke down. her seat was 53 jorizontal feet from the central support pole. What was her se

ki77a [65]

Answer:

The possible solutions are 58 degree, 122 degrees, 302 degrees and 238 degrees

Step-by-step explanation:

Please see the attachment

From the figure, it is evident that

cos AOB = OB/OA = 53/100 = 0.53

Thus, cos-1 (0.53) = 58 degrees

AOB = 58 degree

Also, there are can be other values depending on the quadrants

COB = 180 -58 = 122 degrees

FOB = 360 -58 = 302 degrees

EOB = 180 + 58 = 238 degrees

5 0

3 years ago

Which statements are correct about the two-way

Vlad [161]

Answer:A,C,E

Step-by-step explanation:

5 0

3 years ago

There are 184 goldfish at the pet store the gold fish in 4 tanks each with the same number of fish . How many fish are in 3 tank

kap26 [50]

Answer:

Step-by-step explanation:

613 divide

4 0

3 years ago

Solve −2x2 +3x − 9 = 0

luda_lava [24]

-2x^2 + 3x - 9 = 0
The quadratic is not factorable so quadratic formula must be used.
x = (-b + - √(b^2 - 4ac))/2a
a = -2, b = 3, c = -9
x = (-3 + - √(9 - 4*-2*-9))/-4
x = (-3 + - √(-63))/-4
x = -3 + - 3i√7
   --------------
   -4
x = 3 + 3i√7 x = 3 - 3i√7
    ------------ ------------
   4 4

8 0

3 years ago