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Slav-nsk [51]
2 years ago
13

one eighth of the brass instruments are tubas. if there are 240 instruments in the band, how many are tubas?

Mathematics
1 answer:
Andrej [43]2 years ago
6 0
Just do 240 times 1/8 which is the same thing as 240/8, which is 30
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Help ASAP
Contact [7]

Answer:

The second:   \bold{f (x) =4(x+\frac34)^2-\frac{21}4}

Step-by-step explanation:

                            f (x) =4x^2+6x-3\\\\f (x) =4(x^2+\frac64x]-3\\\\f (x) =4[x^2+2\cdot x\cdot\frac34+(\frac34)^2-(\frac34)^2]-3\\\\f (x) =4[(x+\frac34)^2-(\frac34)^2]-3\\\\f (x) =4(x+\frac34)^2-4(\frac34)^2-3\\\\f (x) =4(x+\frac34)^2-\frac94-\frac{12}4\\\\\underline{f (x) =4(x+\frac34)^2-\frac{21}4}

6 0
2 years ago
Draw a rectangular fraction model to explain your thinking <br> 1/2 of 2/3=1/2 of ___ thirds
Ad libitum [116K]
It equal 1/2 of 2/3 thirds its the same answer before the equal
6 0
2 years ago
Read 2 more answers
When finding the product (x – 3)(x + 4), what would you add to get the final answer?
kotykmax [81]
When multiplying out you get:

x2+4x-3x-12....

so you'd be adding the +4x to the -3x

x2 + x - 12
6 0
3 years ago
Two similar triangles have have areas of 75 m2 and 12 m2. find the ratio of the perimeters
soldi70 [24.7K]

we know that having similar triangles so the ratio of sides,area and volume are same.

s/s=s^2/s^2

we know that s^2 will be the area of triangle.

s^2/s^2=75/12

so s/s=\sqrt{75/12}

so the ratio of the perimeter of two triangles will be

(s+s+s)/(s+s+s)=(\sqrt{75} +\sqrt{75} +\sqrt{75} )/(\sqrt{12}+\sqrt{12} +\sqrt{12} )

ratio of the perimeter=\sqrt{225} /\sqrt{36}

8 0
3 years ago
Read 2 more answers
Let
Roman55 [17]
I hoped this helped or something

5 0
2 years ago
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