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olganol [36]
3 years ago
5

Simplify. 3/5 +(− 1/4 ) 7/10 Enter your answer, in simplest form, in the boxes.

Mathematics
2 answers:
vitfil [10]3 years ago
8 0

3/5+(-7/40)

=3/5-7/40

=24/40-7/40

=17/40

Rainbow [258]3 years ago
6 0

Answer: I took the quiz and it was 1/2


Step-by-step explanation:


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How to work -1x-2y=-13 x-2y=11 equation by substitution
Norma-Jean [14]
Well if you're wanting to use substitution, you first have to end up with one term on either side of the equation. Use the second one as it's easiest. 

So: x-2y=11, so find -2y as there is a -2y in the first equation. 
then that becomes -2y=11-x. then sub that into equation 1, and you get:

-x+11-x=-13, which equals to -2x+11=-13, which is -2x=-24, so therefore

x=12. then chuck the x into any of the equations to find what y equals. 

hope this helps!
5 0
3 years ago
The author received a total of $195,000 for the book sales. How many hardcover books were sold? Type in numbers only.
g100num [7]

Answer:

Total 390 hardcover books were sold

Step-by-step explanation:

Complete question

The author received a total of $195,000 for the book sales. How many hardcover books were sold if the cost of one hardcover book is  $500. Type in numbers only.

Solution

Given-

Total value of sale of hard cover = $195,000

Cost of one hardcover book = $500

Number of books sold = Total value of sale of hard cover/Cost of one hardcover book

Number of books sold =   $195,000/$500

Number of books sold = 390

Total 390 hardcover books were sold.

3 0
3 years ago
Match each of the trigonometric expressions below with the equivalent non-trigonometric function from the following list. Enter
andreev551 [17]

Answer:

Step-by-step explanation:

In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.

It should be clear that

tan(sin^{-1} x/4) = x/\sqrt{16-x^{2} }

sin(tan^{-1} x/4) = x/\sqrt{16+x^{2} }

sin(2α) = 2 sinα cosα

So,

1/2 sin(2sin^{-1} x/4) = (1/2)(x/4) * x/\sqrt{16-x^2} = x^{2} /(8\sqrt{16-x^2})

See what you can do with the others.

6 0
3 years ago
What is the asymptote of g(x)= 4 (1/3) - 2
Nataly [62]

Answer: X=2

Step-by-step explanation:

Assuming the function is

All logarithmic functions, despite their base, has a vertical asymptote at argument = 0.

That is not changed by the vertical stretching made by the 4 which multiplies the logarithm nor  the vertical shift made by the +5.

In this case the argument is x - 2, then the vertical asymptote is:

x - 2 = 0

8 0
3 years ago
What value of a makes the equation true?<br> a+29=-63<br><br> I need help!!
irakobra [83]

Answer:

a = -92

Step-by-step explanation:

<u>Step 1:  Subtract 29 from both sides</u>

a + 29 = -63

a + 29 - 29 = -63 - 29

<em>a = -92</em>

<em />

Answer:  a = -92

7 0
3 years ago
Read 2 more answers
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