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3 years ago

Which decimal number is equal to 4/9

1 answer:

5 0

Every fraction represents a division between the numerator and the denominator. So 4/9 is 4 divided by 9.
And a decimal is a number which got a decimal point between 2 of its numbers.
So 4/9 ≈ 0.44

Hope this Helps! :)

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Find all zeros for (2x-1)(x-5)

NeTakaya

To do this set each of the factors to 0:

2x - 1 = 0
2x = 1
x = 1/2

x - 5 = 0
x = 5

Hope this helps!

5 0

3 years ago

What is the solution to he equation (y/y-4)-(4/y+4)=3^2/y^2-16

kicyunya [14]

Answer:

$y=\pm i \sqrt{7}$

Step-by-step explanation:

Given equation is $\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{3^2}{(y^2-16)}$

Factor denominators then solve by making denominators equal

$\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{3^2}{(y^2-16)}$

$\frac{y}{\left(y-4\right)}-\frac{4}{\left(y+4\right)}=\frac{9}{(y+4)\left(y-4\right)}$

$\frac{y\left(y+4\right)-4\left(y-4\right)}{\left(y-4\right)\left(y+4\right)}=\frac{9}{(y+4)\left(y-4\right)}$

$y\left(y+4\right)-4\left(y-4\right)=9$

$y^2+4y-4y+16=9$

$y^2=9-16$

$y^2=-7$

take squar root of both sides

$y=\pm \sqrt{-7}$

$y=\pm i \sqrt{7}$

Hence final answer is $y=\pm i \sqrt{7}$ .

7 0

3 years ago

The new Coat and Jacket Store was ready to open. The workers put out 42 racks of men’s and boy’s coats and jackets with 16 items

Nataliya [291]

42 x 16=672
35 x 24=840

672+840=1512

3 0

3 years ago

-10 F is colder than -4 degrees?

Aleks04 [339]

Answer: yes, it is a smaller temperature, which means that is "colder"

Step-by-step explanation:

I guess that the question is:

Is -10°F colder than - 4°C?

Ok, when we have a temperature T in Celcius, the equation to transform this quantity to the Fahrenheit scale is:

T' = (T*9/5) + 32°

Replacing T by the temperature in celcius, we get:

T' = (-4°*9/5) + 32° = 24.8°F

This means that -4°C is equivalent to 24.8°F

And -10°F is a smaller value than 24.8°F (which mean that is colder)

This implies that -10°F is colder than -4°C

Then the statement is true.

4 0

3 years ago

[finshed of resenct] which answer is another way to write the number of coins than hanna has [answers] 180 118 18 10

Mamont248 [21]

Answer:

just write the numbers of coins a different way

4 0

3 years ago

Read 2 more answers