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3 years ago

15

Which fraction is greater 14.4 or 13.38

1 answer:

konstantin123 [22]3 years ago

8 0

14.4 as a fraction would be 14 2/5. You just need a fraction larger than that, so there are infinite possibilities. Whether you are writing it as a fraction or decimal though is what I need to know. You could do 16.2, which is 16 1/5 as a fraction. Or 18.9, 18 9/10 as a fraction.

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Make u the subject of the relation.<br>1.wx+yz=uv-2wx

valentinak56 [21]

Answer:

Step-by-step explanation:

wx+yz=uv-2wx

uv = wx + yz + 2wx

u = ( wx + yz + 2wx ) / v

hope it helps :)

3 0

3 years ago

Solve the simultaneous equations<br> 4x + 3y = 20<br> 4x + 2y = 14

fiasKO [112]

Step-by-step explanation:

$\underline{ \underline{ \text{Given}}} :$

$\tt{4x + 3y = 20........... \text{ equation \: ( \: i \: )}}$
$\tt{4x + 2y = 14.......... \text{equation \: (ii)}}$

$\underline{ \text{USE \: ELIMINATION \: METHOD}} :$

Subtract equation ( ii ) from equation ( i ) :

Remember that the sign of each term of the second expression changes i.e equation ( i ) now becomes -4x -3y = -20

$\tt{ \cancel{4x }+ 2y = 14}$

$\tt{ \cancel{ - 4x} - 3y = - 20}$

__________________

$\tt{ - y = - 6}$

⟿ $\tt{ \boxed{ \tt{y = 6}}}$

Again , Substituting the value of y in equation ( ii ) :

⟿ $\tt{4x + 2 \times 6 = 14}$

⟿ $\tt{4x + 12 = 14}$

⟿ $\tt{4x = 2}$

⟿ $\boxed{ \tt{x = \frac{1}{2}}}$

$\red{ \boxed{ \boxed{ \tt{Our \: final \: answer : x = \frac{1}{2 } \: and \: y = 6}}}}$

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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8 0

3 years ago

PLEASE HELP ASAP!!

Elza [17]

Answer:

The parabolic equation does not intersect the linear equation.

Explanation:

Given equation's:

y = x² − 5x + 9
y = -2x

To solve , use substitution method by inserting 2nd equation into 1st

$\sf y = x^2 - 5x + 9$

when substituted y = -2x

$\sf -2x = x^2 - 5x + 9$

collect terms

$\sf x^2 - 5x+ 2x + 9=0$

simplify

$\sf x^2 - 3x + 9=0$

Find discriminant:

$\sf b^2 - 4ac$

$\sf (-3)^2 - 4(1)(9)$

$\sf -27$

As the discriminant is negative, it tell us that they both does not intersect each other.

7 0

2 years ago

Dana is riding her bike. She rides 20 miles in 2 hours, 30 miles in 3 hours, and 40 miles in 4 hours. Find the constant of prop

AnnyKZ [126]

10. 20/2 = 10
30/3=10
40/4=10

Y=10x

5 0

3 years ago

What value will make the equation true? <br> Y + 2 + 6 + Y = 86

g100num [7]

Answer:

39

Step-by-step explanation:

you need to work backwards

86-2-6=78

therefore, 78 = 2y

y = 2y/2, so 78/2 = 39

5 0

3 years ago

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