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sweet-ann [11.9K]
3 years ago
9

What is the common denominator of 3/8, 3/9, 3/10.

Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0

I think the common denominator is 90. 8,9,and 10 can all go into 90.
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Help me plz its hard someone?
vova2212 [387]

Answer:

thanks for the points

Step-by-step explanation:

8 0
3 years ago
A) work out (8 x 10^-3) x (2 x 10^-4). Give your answer in standard form.
mafiozo [28]

Step-by-step explanation:

A) \\ (8 \times  {10}^{ - 3} ) \times (2 \times  {10}^{ - 4} ) \\    = 8 \times 2 \times  {10}^{ - 3}  \times {10}^{ - 4}  \\  = 16 \times  {10}^{ - 3 - 4} \\  = 16 \times  {10}^{ - 7} \\  = 1.6 \times  {10}^{ - 6}  \\  \\ B) \\ (6 \times  {10}^{ 2} )  \div  (3\times  {10}^{ - 5} ) \\  \\     =  \frac{6 \times  {10}^{ 2}}{3\times  {10}^{ - 5}}  \\  \\  =  \frac{2\times  {10}^{ 2}}{ {10}^{ - 5}}   \\  \\  = 2 \times {10}^{ 2 + 5} \\  \\  = 2 \times {10}^{7} \\

4 0
3 years ago
What is the constant of variation for the quadratic variation?
Lorico [155]
Given:
x  =   2     3     4      5     6
y  = 20 ; 45 ; 80; 125;180

The constant variation for the quadratic variation is 5.

y = 5x²
y = 5(2²) = 5(4) = 20
y = 5(3²) = 5(9) = 45
y = 5(4²) = 5(16) = 80
y = 5(5²) = 5(25) = 125
y = 5(6²) = 5(36) = 180
7 0
4 years ago
You have $400,000 saved for retirement. Your account earns 5% interest. How much will you be able to pull
mote1985 [20]

Answer:

$4,515.14

Step-by-step explanation:

First we need to get the amount after 25 years on $400,000 at 5% interest

Using the compound interest formula

A = P(1+r)^n

A = 400,000(1+0.05)^25

A = 400,000(1.05)^25

A = 400,000(3.3864)

A = $1,354,541.98

Since 25years = (25*12)months

25 years = 300months

Amount to be able to pull out each month = $1,354,541.98/300

Amount to be able to pull out each month = $4,515.14

Hence you will be able to pull out $4,515.14 each month

3 0
3 years ago
Find the lowest common denominator
AlekseyPX

Answer:

A #1 ( x+2)2 (x-2)2

Step-by-step explanation:

it is the only one that could possibly work

6 0
3 years ago
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