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muminat
2 years ago
8

What do 5/15 + 3/5 equal

Mathematics
2 answers:
horsena [70]2 years ago
8 0
14/15


5/15 + (3x3 / 3x5) = 5/15 + 9/15 = 14/25
Tatiana [17]2 years ago
7 0

Answer 14/15

Step-by-step explanation:You want to get a common denominator for both fractions so you multiply 3/5 by 3 to get 9/15. Now you add 5/15 and 9/15 to get the answer. 5+9=14. And since the denominators are the same you leave them alone.

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A square has side length 8 cm. The square is enlarged so that it has side length 48 cm. What is the scale factor of the enlargem
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Answer:

ans=6

Step-by-step explanation:

scale factor = Dimension of a new shape ÷ Dimension of the original shape

= 48/8

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7 0
1 year ago
What dose $2.75+2.50+2.50+2.50+2.50+1.75+1.75-1.75 equal
Gelneren [198K]
The answer is 16.25 adding all of those up
6 0
3 years ago
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In ΔCDE, m∠C = (9x+11)^{\circ}(9x+11) ∘ , m∠D = (3x-15)^{\circ}(3x−15) ∘ , and m∠E = (2x+16)^{\circ}(2x+16) ∘ . What is the valu
Ksivusya [100]

Answer:

x = 12

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180, that is

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5 0
2 years ago
Suppose an airline accepted 12 reservations for a commuter plane with 10seats. They know that 7 reservations went to regular com
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Answer:

<h2>See the explanation.</h2>

Step-by-step explanation:

(a)

7 persons will show up for sure, hence there is not any kind of probability here.

The other 5 persons have 50% chance to show up.

The flight will be overbooked, if either 4 will come or 5 will come.

From the total 5 persons, 4 can be chosen in ^5C_4 = 5 ways.

The probability that any four among the 5 will come is 5\times(\frac{50}{100} )^{5} = 5\times(\frac{1}{2} )^{5} = \frac{5}{32}.

The probability that all of the 5 passengers will come is \frac{1}{32}.

Hence, the required probability is \frac{5}{32} + \frac{1}{32} = \frac{6}{32} = \frac{3}{16}.

(b)

The probability that there will be exactly 10 passengers on the flight is ^5C_3\times (\frac{1}{2} )^5 = \frac{20}{2} \times\frac{1}{32} = \frac{10}{32} = \frac{5}{16}.

The probability that there will be no empty seats in the plane is \frac{3}{16} + \frac{5}{16} = \frac{1}{2}.

Hence, probability of having empty seats is 1 - \frac{1}{2} = \frac{1}{2}.

6 0
3 years ago
A cup of broth can have 870 mg of salt, which is 30% of the recommended daily allowance. What is the recommended daily amount
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Hope this helps!
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