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Dimas [21]
3 years ago
9

Add the following fractions. Answer must be in simplest form. 3 over 7 + 1 over 7

Mathematics
2 answers:
Annette [7]3 years ago
5 0
3/7+1/7

The denominator is the same so you only have to add the numerator

The answer to your question is 4/7
MariettaO [177]3 years ago
3 0
3/7 + 1/7 = 4/7

Since the two fractions already had the same denominator, we didn't have to do much work, only add the two numerators.

4/7 is also already in its simplest form.
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3 years ago
The total area of two square windows is 1,025 in.^2. each side of the larger window is 5 in. longer than the sides of the smalle
vampirchik [111]
The area of a square is expressed as:

Area = s^2

We are given the area of both windows. We will use this value for the calculations. We set s as the side of the larger window and a for the smaller window.

Total area = Area larger + area smaller
1025 = s^2 + a^2

Since it was said that the side of the larger window, s is 5 in longer than the side of the smaller window, a (s = 5+a) then:

<span>1025 = s^2 + a^2
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8 0
3 years ago
Read 2 more answers
I really need help with this one please
natka813 [3]

The distance from the sun is option 2 5.59 astronomical units.

Step-by-step explanation:

Step 1; To solve the question we need two variables. P which represents the number of years a planet takes to complete a revolution around the Sun. This is given as 13.2 years in the question so P = 13.2 years. The other variable is the distance between the planet and the sun in astronomical units. We need to determine the value of this using the given equation.

Step 2; So we have to calculate the value of 'a' in Kepler's equation. But the exponential power \frac{3}{2} is on the variable we need to find so we multiply both the sides by an exponential power of \frac{2}{3} to be able to calculate 'a'.

P =  a^{\frac{3}{2} }, P^{\frac{2}{3} } = a^{\frac{3}{2}*\frac{2}{3}  },  P^{\frac{2}{3} } = a, 13.2^{\frac{2}{3} } = a = 5.58533 astronomical units.

Rounding it over to nearest hundredth we get 5.59 astronomical units.

6 0
3 years ago
Dylan takes out a bank loan of $11,500 at 3.8% interest compounded annually. How much interest, in dollars, will he owe after 3
sergejj [24]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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Lubov Fominskaja [6]

Answer:

155.625 or ( 89/160 )

Step-by-step explanation:

7 0
3 years ago
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