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poizon [28]
3 years ago
11

What is the solution to this system of equations? 5X + 2y =29 X + 4y=13

Mathematics
2 answers:
Lorico [155]3 years ago
7 0
5x+2y=29
x+4y=13
eliminate y's

multiply top equation by -2 and add to first

-10x-4y=-58
<u>x+4y=13 +</u>
-9x+0y=-45

-9x=-45
divide  both sides by -9
x=5
sub baack

x+4y=13
5+4y=13
minus 5 both sides
4y=8
divide both sidse by 4
y=2

x=5
y=2
(x,y)
(5,2)


NARA [144]3 years ago
5 0
I hope this helps you

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Help i don't understand this
ss7ja [257]

Answer:

yes it is possible to get a common denominator grater than 12 and still get the right answer.

Step-by-step explanation:

This is because the numerator is always directly corelated to de denominator therefore the fraction wouldn't change because when simplified it is the same fraction as it would be with 12 as the denominator

4 0
3 years ago
It’s in the picture if u can help I will be thankful
Delicious77 [7]

Answer:

The length of LM,hypotenuse is 55.866ft

Step-by-step explanation:

Given that LN=39ft and MN=40ft so you can solve it using Pythogoras' Theorem:

side²+side² = hypo²

LN² + MN² = LM²

hypo² = 39²+40²

= 3121

LM = √3121

= 55.866ft (3d.p)

6 0
3 years ago
Megan drew a fraction that shows 6/8. What number can divide both the numerator and denominator to simplify this fraction?
madreJ [45]

Answer:

<h2>2</h2>

Step-by-step explanation:

The required number is 2. This divides 6 into 3 and 8 into 4. The simplified fraction is 3/4, which cannot be further simplified.

3 0
3 years ago
Im not sure if anyone knows how to do this but if u do could u pleaseee help me with this!!!
slavikrds [6]

Answer:

y = -2x - 5

Step-by-step explanation:

<u>1) Find the slope of the line.</u>

The slope of the original line is the same as the slope of the parallel line.

Slope formula:

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

In this case you can choose any 2 set of points on the table.

m = \frac{4 - 2}{-3 - (-2)} = \frac{4 - 2}{-3 + 2} = \frac{2}{-1} = -2

So the slope of the line is -2

<u>2) Use the point-slope formula to find the equation of the line.</u>

Point-slope formula:

y - y_{1}  = m(x - x_{1})

Now plug in the point (0, -5) and the slope -2 into the equation.

y - (-5) = -2(x - 0)

y + 5 = -2(x - 0)

To solve the equation first apply the distributive property.

y + 5 = -2x + 0

y + 5 = -2x

Next, subtract 5 from sides.

y = -2x - 5

You know have your equation in point-slope form!

6 0
3 years ago
What is the length of the side of a right triangle that has a side length of 7 cm and a hypotenuse that measures 25 cm?
Elenna [48]
It would be: 25² = 7² + b²
b² = 625 - 49
b = √576
b = 24

In short, Your Answer would be Option B

Hope this helps!
7 0
3 years ago
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