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Mandarinka [93]
3 years ago
15

O.45 is equals to what in a fraction

Mathematics
2 answers:
Nat2105 [25]3 years ago
4 0

Answer:45/100

Step-by-step explanation: Since .45 is in the 100th column, you take 45 and make it a fraction by putting it over the column it is in, in this case it is 45/100

Deffense [45]3 years ago
3 0
It’s equal to 45/100 which equals 9/20
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Given the sets above, select all (or the null set) of the element of: B
Elanso [62]

Given:

Universal set = {a, b, c, d, e, f, g, h}

A = {a, b, c, d}

B = {a, d, e}

C= {c, f, g, h}

To find:

The elements of set B'.

Solution:

Let universal set be U.

U = {a, b, c, d, e, f, g, h}

We know that,

Compliment of a set = Universal set - Set

It means,

B'=U-B

B'=\{a, b, c, d, e, f, g, h\}-\{a,d,e\}

B'=\{b, c,f, g, h\}

Therefore, only b, c, f, g, h are the elements of set B'.

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3 years ago
Write -12 3/4 as a decimal number
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8 0
2 years ago
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Two angles are supplementary. The measure of one angle is 5 greater than 40% of the other. Find the measures of both angles.
Irina18 [472]

Answer:

Step-by-step explanation:

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UNO [17]
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3 years ago
Urgent please help quick!!!
Radda [10]

Answer:

x=-1\\y=-1

Step-by-step explanation:

5x+5y=-10\\3x-7y=4

Let's solve the first equation for either x or y. I'll do it for x.

5x+5y=-10

Begin by subtracting 5y.

5x=-5y-10

Now divide by 5.

x=\frac{-5y}{5}-\frac{10}{5}

Simplify:

x=-y-2

Now substitute x in the second equation for this value.

3x-7y=4\\3(-y-2)-7y=4

Distribute;

-3y-6-7y=4

Add 6

-3y-7y=4+6

Combine like terms;

-10y=10

Divide by -10.

y=\frac{10}{-10}\\ y=-1

-----------------------------------------------------------------------------------------------------------

Take this value of y and replace it in the first equation to find the value of x.

5x+5y=-10\\5x+5(-1)=-10\\5x-5=-10\\5x=-10+5\\5x=-5\\x=\frac{-5}{5}\\ x=-1

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