2 years ago

Find the missing values in the ratio table. Then write the equivalent ratios.

Mathematics

1 answer:

drek231 [11]2 years ago

6 0

Answer:

the missing blank for forks is 0 and the missing blank for spoons is 20

Step-by-step explanation:

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If 8,a,b,27 are in geometric sequence, find the value of a and b.

wel

Answer:

a = 12 and b = 18

Step-by-step explanation:

Given that,

8,a,b,27 are in geometric sequence.

For a GP, the nth term is given by :

$a_n=ar^{n-1}$

Put n = 4

$a_4=ar^{4-1}\\\\a_4=ar^3\\\\27=8\times r^3\\\\r^3=\dfrac{27}{8}\\\\r=\dfrac{3}{2}=1.5$

Put n = 2,

$a_2=ar^{2-1}\\\\a=ar\\\\a=8\times 1.5\\\\a=12$

Put n = 3

$a_3=ar^2\\\\=8\times 1.5^2\\\\b =18$

So, the values of a and b is 12 and 18 respectively.

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3 years ago

Movie genres. The pie chart summarizes the genres of 120 first-run movies released in 2005. a) Is this an appropriate display fo

butalik [34]

Answer:

Yes, it is appropriate

Step-by-step explanation:

Given

See attachment for pie chart

Required

Is the pie chart appropriate

The attached pie chart displays the distribution of each of the 4 genre. The partition occupied represents the measure of each genre.

5 0

3 years ago

The product of two numbers is 450. The first number is half the second number. which equation can be used to find x, the greater

sveticcg [70]

Xy=450
x=1/2(y)

1/2 (y^2)=450
y^2=900
Answer : y=30 x=15

6 0

3 years ago

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20 points!!!!!!!

nataly862011 [7]

The value of his investment at the third year is
F (3)=300×(1.02)^(3)=318.36

The value of his investment at the fifth year is
F (5)=300×(1.02)^(5)=331.22

The average rate of change of the value is
(331.22−318.36)÷2 years=6.43 per year

4 0

3 years ago

Simplify 2x²/x²-7x+12 - x²+9/x²-7x+12

Ivenika [448]

Answer:

(x+3)/(x-4)

Step-by-step explanation:

[2x²/(x-4)(x-3)] - [x²+9/(x-4)(x-3)] =

(x²-9)/(x-4)(x-3) =

(x+3)(x-3)/(x-4)(x-3) =

x+3/x-4

5 0

3 years ago

Read 2 more answers