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Helga [31]
3 years ago
14

Is 2/x + y/4 = 3/2 linear?

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0

Answer:

No

Step-by-step explanation:

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The fraction closest to 4/5 is<br> A.2/3<br> B.7/9<br> C.8/11<br> D.5/8
gtnhenbr [62]

Answer:

It would be C

Step-by-step explanation:

The fraction equal to 4/5 is 8/10 so closest to 8/10 is 8/11

7 0
2 years ago
This is a popular type of problem that appeared in mathematics textbooks in the 1970s and 1980s. can you find the answer? the su
kondaur [170]
A digit is a number in one of the places, so for example the number 54 has two digits; a tens place digit (5) and a ones place digit (4).

Say the mystery number is a two digit number = xy
* that's not x times y but two side by side digits.

Info given:
<span>the sum of the digits of a two-digit number is 6
x + y = 6 </span>
<span>if the digits are reversed, yx the difference between the new number and the original number is 18.

**To obtain the number from digits you must multiply by the place and add the digits up. (Example: 54 = 10(5) + 1(4))

Original number = 10x + y
Reversed/New number = 10y + x

Difference:
10y + x - (10x + y) = 18
9y - 9x = 18
9(y - x) = 18
y - x = 18/9
y - x = 2

Now we have two equations in two variables
</span>y - x = 2
<span>x + y = 6

Re-write one in terms of one variable for substitution.
y = 2 + x
sub in to the other equation to combine them.
x + (2 + x) = 6
2x + 2 = 6
2x = 6 - 2
2x = 4
x = 2

That's the tens digit for the original number. Plug this value into either of the equations to obtain y, the ones digit.

2 + y = 6
y = 4

number "xy" = 24

</span>
4 0
3 years ago
What is the answer ? <br> PLS
grin007 [14]

Answer:

I think a or C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
the perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the short side. Which equation can be used to
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Keenly snakelike smells an kelsmeml salesmen smell. Skkensens.
7 0
2 years ago
Which two points in the graphed function have an average rate of change of 5?
photoshop1234 [79]

First of all, a positive average rate of change means that the function is increasing, so the answer can only be A->B or B->C.

The average rate of change is defined as

A = \dfrac{f(b)-f(a)}{b-a}

i.e. as the ratio between the vertical and horizontal gain.

In order to go from point A to point B, you gain 1 unit horizontally and 5 units vertically. So, the average rate of change is 5/1=5.

In order to go from point B to point C, you gain 1 unit horizontally and 3 units vertically. So, the average rate of change is 3/1=3.

6 0
3 years ago
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