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aleksandr82 [10.1K]
3 years ago
7

Find the value of xA.20B.40C.5D.45​

Mathematics
1 answer:
Drupady [299]3 years ago
8 0

Answer:

Hello! answer: 40

Step-by-step explanation:

This is a supplementary angle meaning it will have a total of 180 degrees 4 × 40 = 160 and when you add that with the other angle 20 you get 160 + 20 = 180 therefore x must by 40 HOPE THAT HELPS!

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1/x + 1/4 = 7/12 solve for x
Licemer1 [7]
Given equation is
\frac{1}{x} +  \frac{1}{4} =  \frac{7}{12}

We can solve it by subtracting 1/4 both side
\frac{1}{x} +  \frac{1}{4} -  \frac{1}{4} =  \frac{7}{12} -  \frac{1}{4}

\frac{1}{x} =  \frac{7}{12} -  \frac{1}{4}
                          =  \frac{7 - 3}{12}
                          =  \frac{4}{12}
                          =  \frac{1}{3}

So \frac{1}{x} =  \frac{1}{3}
On comparing x = 3.

SO the solution of equation is x = 3
5 0
4 years ago
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Studentka2010 [4]
Company A it should be lmk if im wrong
3 0
3 years ago
Solve for x and y simultaneously if:<br>x+4=2y and y2-xy+21=0<br>​
salantis [7]

Answer:

Step-by-step explanation:

x=−10, y=−3

x=10, y=7

y=7,x=10

y=−3,x=−10

5 0
3 years ago
What would you multiply the dividend and divisor by in the following division problem so that the divisor would become a whole n
horsena [70]
Devisor is the bottom number
hmm

11.75=11 and 3/4
so times it by 4  to clear denomenator
but do it by top and bottom

23.4/11.75 times 4/4=93.6/47

so times it by 4/4
5 0
3 years ago
Read 2 more answers
If f(x)=2x-4, what would be the answer if f(3)-1??
Vinil7 [7]

Answer:

1

Step-by-step explanation:

We have the function

f(x) = 2x - 4

and we want to know the value of f(3) - 1.

The first step is to find f(3) ; we can subtract 1 from it at the end! But what does f(3) mean?

Basically, we're saying <em>"what is the value of the function when </em>x = 3<em> ?"</em>

So, we simply replace x with 3 in the function, and we get:

f(3) = 2\times 3 - 4 = 2.

Finally, we subtract 1 to find f(3) - 1 = 1.

3 0
3 years ago
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