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frosja888 [35]
3 years ago
8

What is 21⁄4 plus 4 3⁄10? A. 611⁄20 B. 613⁄20 C. 61⁄4 D. 61⁄2

Mathematics
1 answer:
Olegator [25]3 years ago
7 0

Convert 1/4 and 3/10 to have a common denominator:

1/4 = 5/20

3/10 = 620

Now you have 2 5/20 + 4 6/20 = 6 11/20

The answer is A.

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Questions number 1
Brut [27]

9514 1404 393

Answer:

  145.3 square inches

Step-by-step explanation:

The lateral area of the cylinder is given by ...

  LA = 2πrh

  LA = 2π(2.5 in)(9.25 in) = 46.25π in²

  LA ≈ 145.3 in²

About 145.3 square inches of paper is used for the label.

8 0
2 years ago
Which expression is equivalent to? Assume x > 0 and y > 0.
shtirl [24]

Answer:

The correct answer is third option

√5/(x²y)

Step-by-step explanation:

It is given an expression,√(55x⁷y⁶/11x¹¹y⁸)

Points to remember

Identities

xᵃ/xᵇ = x⁽ᵃ ⁻ ᵇ)

x⁻ⁿ = x¹/ⁿ

<u>To find the equivalent expression</u>

We have, √(55x⁷y⁶/11x¹¹y⁸)

By using above identity we can write,

√(55x⁷y⁶/11x¹¹y⁸) = √[(55/11) (x⁷/x¹¹) (y⁶/y⁸)]

 = √[5x⁷⁻¹¹ y⁶⁻⁸]

 = √[5x⁻⁴ y⁻²]

 = √[5/x⁴y²]

 = √5/(x²y)

Therefore the correct answer is third option

√5/(x²y)

8 0
3 years ago
Read 2 more answers
Solve for b.<br><br> 2b + 9 = b<br><br> b =
neonofarm [45]

Answer:

-9

Step-by-step explanation:

9=b-2b

9=-b

divide both sides by -

b=-9

7 0
2 years ago
Read 2 more answers
Jacob distributed a survey to his fellow students asking them how many hours they'd spent playing sports in the past day. He als
Salsk061 [2.6K]

Answer: y=1.5x+5 estimate:8.75

7 0
2 years ago
F two angles have the same vertex, then they are adjacent.
arlik [135]
Are you asking if it's true or false?
Because it's false, they are not necessarily adjacent.
4 0
2 years ago
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