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damaskus [11]
2 years ago
8

Does anyone know how to do this? Help please

Mathematics
1 answer:
MArishka [77]2 years ago
3 0

Answer:

ummmmmmmmmmmmmmmmmmmmmm

Step-by-step explanation:

You might be interested in
(a) Work out the reciprocal of 1.25
Oxana [17]

Answer:

0.8 OR \frac{4}{5}

Step-by-step explanation:

The reciprocal of any number is the number that it multiplies by to equal 1.

The reciprocal can be found by simply converting the number into a fraction and then 'flipping' the fraction as any number multiplied by its reciprocal is 1.

E.g.

No. X/Y * Y/X (its reciprocal) = 1

\frac{x}{y} *\frac{y}{x} =\frac{xy}{xy} =1

So, to find the reciprocal of 1.25,we should first convert 1.25 to a fraction.

1.25 = 125/100

\frac{125/25}{100/25}=\frac{5}{4}

Now we just flip 5/4 to get our reciprocal:

\frac{4}{5} = 0.8

Test: 0.8 * 1.25 = 1

The reciprocal of 1.25 (\frac{5}{4}) is 0.8 (\frac{4}{5}).

Hope this helped!

8 0
2 years ago
Brianna earned $240.00 for 20 hours of work. How much was earned per hour?
nalin [4]
$12 were earned per hour
6 0
2 years ago
Read 2 more answers
What is the solution to 2x^2+8x=x^2-16?<br> x=4<br> x=22<br> x=2<br> x=4
Taya2010 [7]

Answer:

x = -4

Step-by-step explanation:

2x² + 8x = x² - 16

x² + 8x + 16 = 0

x² + 4x + 4x + 16 = 0

x(x + 4) + 4(x + 4) = 0

(x + 4)² = 0

x = -4

4 0
3 years ago
Read 2 more answers
What is the equation of this line? a. y= -2
jeyben [28]
The answer is y = 2x







5 0
3 years ago
The solution set of 2-3x/4-8=3x/4​
deff fn [24]

Step-by-step explanation:

\\ \tt{:}\leadsto  \frac{2 - 3x}{4 - 8} =  \frac{3x}{4}   \\ \\ \tt{:}\leadsto 4(2 - 3x) = 3x(4 - 8) \\ \\ \tt{:}\leadsto 8 - 12x = 3x( - 4) \\ \\  \tt{:}\leadsto 8 - 2x =   - 12x \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\ \\ \tt{:}\leadsto 8 =  - 12x + 2x \\ \\ \tt{:}\leadsto 8 =  - 10x \\ \\ \tt{:}\leadsto x =  \frac{ - 10}{8}  \\ \\ \tt{:}\leadsto x =  \frac{ - 5}{4}

6 0
3 years ago
Read 2 more answers
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