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Tpy6a [65]
2 years ago
15

Add the fractions. 1/4 + 1/6= A) 1/10 B) 1/24 C) 1/2 D) 5/12

Mathematics
2 answers:
artcher [175]2 years ago
8 0

Answer:

8/24=1/3

Step-by-step explanation:

just do math

nasty-shy [4]2 years ago
5 0

Answer:

B

Step-by-step explanation:

you find the common multiple and you should get your answer 4×6=24 and 6×4=24 so the common multiple would be 24 so the answer is 1/24

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Please,,, i'm begging you... help me with this and explain how you got the answer... i .. really need someones help.
GalinKa [24]

A "function" is a black box, with a funnel on top, a little door on the  bottom, and a crank on the side.  The way it works is:  

-- You take a number, and call it 'x'.

-- You drop it into the funnel on top of the box, and you turn the crank.

-- Some gears, shafts, math operations and stuff inside the box do things to 'x', and eventually the little door on the bottom opens up and another number falls out.  

-- Before you even touch that one, you call it 'y', and then you pick it up and look at it.

The number that falls out is related somehow to 'x'.  It depends on 'x', AND on exactly what's inside the box ... how the gears and shafts and math operations are all hooked together.  All the guts and parts inside DETERMINE what the box will do to 'x', and how 'x' will get changed, and what will come out the bottom.

We call 'y' the FUNCTION of 'x'.

If you know exactly what's inside the box, then even before you drop 'x' into the funnel, you can always tell in advance WHAT will come out.

If you DON'T know what's inside, then the only way you can describe the function is to take a bunch of numbers, drop them into the function one at  a time, LOOK and SEE what comes out each time, and write it all down.

THAT's what this question is giving you.

What comes out is called the VALUE of the function for each 'x' that you drop in.  The table is giving you the VALUE of 'y' (the function) for seven different 'x's.  Then the question just wants you to look and see what falls out of the box when 'x' is -1 .

Look at the table.  It says that when 'x' is -1, 'y' is going to be <em>3 </em>.  That's the answer to the question.

We still don't know anything about what's inside the box.  We don't know the structure of the FUNCTION, and exactly what it does to 'x' to produce 'y'.  But we do know what'll fall out if we drop a -1 into the funnel ... because the table tells us !

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7 0
3 years ago
Read 2 more answers
Using Cramer's rule to solve linear systems.
Rzqust [24]

Answer: Last Option

x=2,\ y=-5

Step-by-step explanation:

Cramer's rule says that given a system of equations of two variables x and y then:

x =\frac{Det(A_X)}{Det(A)}

y =\frac{Det(A_Y)}{Det(A)}

For this problem we know that:

Det(A) = |A|=\left|\begin{array}{ccc}4&-6\\8&-2\\\end{array}\right|

Solving we have:

|A|= 4*(-2) -(-6)*8\\\\|A|=40

Det(A_X) = |A_X|=\left|\begin{array}{ccc}38&-6\\26&-2\\\end{array}\right|

Solving we have:

|A_X|=38*(-2) - (-6)*26\\\\|A_X|=80

Det(A_Y) = |A_Y|=\left|\begin{array}{ccc}4&38\\8&26\\\end{array}\right|

Solving we have:

|A_Y|=4*(26) - (38)*8\\\\|A_Y|=-200

Finally

x =\frac{|A_X|}{|A|} = \frac{80}{40}\\\\x=2

y =\frac{|A_Y|}{|A|} = \frac{-200}{40}\\\\y=-5

4 0
3 years ago
the variable z is directly proportional to x. when x is 6, z has the value 18. what is the value of z when x = 10 the variable z
nikklg [1K]
Z\alpha x
Z=kX
When x=6, z=18,
Finding value of z,
18=k*6
k=3
Z=3X
when x=10,
Z=3*10
Z=30

Part B;
Z\alpha  \frac{1}{x}
z=\frac{a}{x}
Where x is a constant of proportionality,
when x=3, z=2
2=\frac{a}{3}
a=3*2
a=6
When x is 13,
Z=\frac{6}{13}
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3 years ago
NO LINKS/ NO ASSESSMENTS!!!<br><br>Part 1: Write a rule to describe each transformation​
Travka [436]

Answer:

  • (x, y) → (-x, y)

Step-by-step explanation:

We can observe the figures are mirrored over y- axis.

<u>This is a reflection and the rule is:</u>

  • (x, y) → (-x, y)
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2 years ago
How do you get a factor pair?
Sedaia [141]
<span>1. Find all factor pairs of a number using a t-chart.
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3.Determine if a number is prime or composite using area models. 
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<span>5.Find the GCF of two numbers using the distributive property.</span></span>
4 0
3 years ago
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