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3 years ago

A number line that represents k > 5

Mathematics

1 answer:

schepotkina [342]3 years ago

3 0

Answer:

any number from 6 and above

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X-3/4 = 2x-9/7<br><br> Please answer it I’ll mark your answer as BRAINLIEST

lidiya [134]

<h3><u>Answer</u> :</h3>

$:\implies\sf\:x-\dfrac{3}{4}=2x-\dfrac{9}{7}$

$:\implies\sf\:\dfrac{9}{7}-\dfrac{3}{4}=2x-x$

$:\implies\sf\:\dfrac{36-21}{28}=x$

$:\implies\boxed{\bf{\red{x=\dfrac{15}{28}}}}$

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3 years ago

Read 2 more answers

5.<br> If g(x) = 3x + 4, what is the value of g-1(g(-2))?

stepan [7]

Answer:

- 2

Step-by-step explanation:

The composition of inverse functions gives x

g(x) and $g^{-1}$ (x) are inverse functions, then

$g^{-1}$ (g(x)) = x , thus

$g^{-1}$ (g(- 2)) = - 2

4 0

3 years ago

3 divide by what number equals 5

marysya [2.9K]

First write the equation
3/n = 5

Multiply both sides by n
3/n * n = 5 * n

Simplify
3 = 5 * n

Divide both sides by 5
3/5 = 5 * n/5

Simplify
3/5 = n

Divide
0.6 = n

So 3/0.6 = 5

4 0

3 years ago

Which best estimate of the sum of 5 1/5 and 8 5/6

Reika [66]

Answer:

14 1/30

Step-by-step explanation:

convert the fractions so that the LCF is the denominator

1/5---->6/30

5/6----->25/30

5 6/30+8 25/30

13 31/30

14 1/30

7 0

3 years ago

can some one explain to me how fractions work who ever explains it well gets brainliest, adding, subtracting, multiplying, divid

Ludmilka [50]

Adding: When adding fractions, you want to make sure that the denominator is the same for both fractions. If they are already the same, just add both the numerators to get the answer. For example,
$\frac{3 }{5} + \frac{1}{5} = \frac{4}{5}$
If the denominator is different in both fractions, you have to find the least common denominator, or LCD. The LCD is the smallest number that both denominators can multiply into. For example, say you need to find
$\frac{1}{6} + \frac{1}{3}$

Multiply both the numerator and the denominator of (1/3) by 2 to get (2/6). This way, the denominators are the same and you can find the answer.
$\frac{1}{6} + \frac{2}{6} = \frac{3}{6}$
In the case that one denominator does not go into the other, find the smallest number they both multiply into. For example,
$\frac{1}{3 } + \frac{1}{4}$
Here, the smallest number that both 4 and 3 multiply into is 12. Multiply both fractions by the correct amount to make both denominators 12. It would then become
$\frac{4}{12} + \frac{3}{12} = \frac{7}{12}$
Subtraction: follow the same rules as addition, except subtract the numerators instead of adding them.

Multiplication: multiply both numerators and both denominators.
$\frac{2}{3} \times \frac{4}{5} = \frac{8}{15}$
Division: Flip one of the fractions and multiply.
$\frac{2}{3} \div \frac{4}{5}$
Becomes
$\frac{2}{3} \times \frac{5}{4} = \frac{10}{12} = \frac{5}{6}$
Hope this explains it all. Let me know if you have any questions :)

4 0

3 years ago