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SOVA2 [1]
4 years ago
13

2

Mathematics
1 answer:
Sophie [7]4 years ago
4 0

Answer:

42.294 or for the simplified version it is 42.30

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A theater has 1800 seats. Each row has 60 seats. Write and solve an equation to find the number of rows in the theater.
dlinn [17]

Answer:

Step-by-step explanation: 1800/60=30. 30 rows

7 0
3 years ago
Read 2 more answers
Why will the ratio of the volume of the two cubes with side lengths in the ratio of 1:2 be 1:8
3241004551 [841]

Answer: 1³ = 1

2³ = 8

1:8

Step-by-step explanation: [Volume is cubic] Cube = value³

So the cubic ratio of 1:2 is 1:8

4 0
3 years ago
Harry and Gwen ride in a bicycle race. Harry clocks 102.62 meters per
Daniel [21]
Subtract tchem both and wilk get the answer

102.62-101.94=0.68
4 0
4 years ago
Factor: 3x3 + 15x2 +4xy +20y
Sveta_85 [38]

Answer:

The factored version of the given equation is going to be (3x² + 4y)(x + 5)

Step-by-step explanation:

<em>3x³ + 15x² + 4xy + 20y</em>

First, you break down 3x³. You can do this by finding the common factor of 3x³ and 15x². You can add the x to the other parentheses because x times x² equals x³

<em>(3x² + )(x + 5)</em>

Now, we break down 4xy by finding the common factor of 4xy and 20y.

<em>(3x² + 4y)(x + 5)</em>

So, the factored version of the equation above is (3x² + 4y)(x + 5)

6 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation 0 = 4x2 + 2x – 1 into the quadratic formula bel
Basile [38]

Answer:

x = StartFraction negative 2 plus or minus StartRoot 2 squared minus 4(4)(negative 1) EndRoot Over 2(4) EndFraction

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

4x^{2} +2x-1=0  

so

a=4\\b=2\\c=-1

substitute in the formula

x=\frac{-2(+/-)\sqrt{2^{2}-4(4)(-1)}} {2(4)}

therefore

x = StartFraction negative 2 plus or minus StartRoot 2 squared minus 4(4)(negative 1) EndRoot Over 2(4) EndFraction

3 0
3 years ago
Read 2 more answers
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