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Blababa [14]
3 years ago
10

How many ways can you stack 77 books into equla piles?

Mathematics
1 answer:
emmasim [6.3K]3 years ago
8 0
There’s only 2 ways to stack 77 books into equla piles.
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10 qt into gallons and quarts​
Inga [223]

Answer:

qt is quarts so it would be 10 quarts and 2.5 gallons is 10 quarts

Step-by-step explanation:

4 0
4 years ago
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A playground measures 300 m × 170 m.Find the cost of planting grass on this at the rate of Rs 80 per hectare.​
Ierofanga [76]
<h2><u>Answer</u> :-</h2>

To find the cost of planting grass , we have to find area of the field.

Area of field = Length × Breadth

{= 300×170}

{=51000 sq. m}

Now convert into hectare.

1 hectare = 10000m sq.

51000 / 10000

So area field = 5.1 hectare sq.

Now cost = 5.1 x 0.80 p

{= 0.408 p}

<h2><u>___________</u></h2>
7 0
3 years ago
Which equation has infinitely many solutions?
raketka [301]

Answer:

C

Step-by-step explanation:

5.1 + 2y + 1.2 = -2 + 2y + 8.3 ( subtract 2y on each side)

5.1 + 1.2 = -2 + 8.3 ( collect like terms)

6.3 = 6.3

If the equation ends with a true statement (ex: 2=2) then you know that there's infinitely many solutions or all real numbers.

4 0
3 years ago
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Find the value of each expression using the given information cot∅=8, csc&lt;0<br> find sin ∅
Oksana_A [137]

9514 1404 393

Answer:

  sin(∅) = -√65/65

Step-by-step explanation:

The identities that relate the cotangent, the cosecant, and the sine are ...

  csc² = 1 +cot²

  sin = 1/csc

_____

For the given values, we find ...

  csc(∅)² = 1 +cot(∅)² = 1 +8² = 65

  csc(∅) = -√65 . . . . . . . . . . . . . . . . square root with attention to sign

  sin(∅) = -1/√65 = (-√65)/65

6 0
3 years ago
Write the complex number z=-10+8i in polar form
jarptica [38.1K]
Hello :
the  polar form is : z = |z |×e^(iθ)
z=-10+8i
 |z | =√((-10)²+(8)²) =<span>√(164)
cos</span>θ = -10/√(164)
sinθ = 8/√(164)
find θ by arctan(8/-10)
4 0
3 years ago
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