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4 years ago

3х + y = 13 4x - 3y = 13 SOLVE using Elimination please show work !!

Mathematics

2 answers:

ipn [44]4 years ago

8 0

Answer:

value of x= 4 and value of y =1.

LekaFEV [45]4 years ago

6 0

Answer:

x = 4

y - 1

Step-by-step explanation:

(3 x 4) + 1 = 13

(4 x 4) - (3 x 1) = 13

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Help elementary math!!!!!!!!!!!!

ipn [44]

Divisible by 5 and 9 as 9x5=45 so that is the answer.........

6 0

3 years ago

Read 2 more answers

sladkih [1.3K]

Answer: $\angle WXY=125^{\circ}$

Explanation: Since, a kite has one pair of congruent angles and its main diagonal bisects its opposite angles.

Therefore, According to the given figure,

$\angle WXY=\angle WZY$

And, WY is the main diagonal which bisects angles ZWX and XYZ.

So, $\angle ZWX =2\times \angle ZWY= 2\times 43^{\circ}=86^{\circ}$

And, $\angle XYZ =2\times \angle XYW= 2\times 12^{\circ}=24^{\circ}$

Since, Sum of all angles of a quadrilateral is equal to $360^{\circ}$

Therefore, $\angle WXY+\angle WZY+\angle XYZ+\angle ZWX=360^{\circ}$

⇒ $2\times \angle WXY+ 86^{\circ}+24^{\circ}=360^{\circ}$

⇒ $2\times \angle WXY=360^{\circ}-110^{\circ}=250{\circ}$

⇒ $\angle WXY=125^{\circ}$

7 0

3 years ago

What are the coordinates of the point on the directed line segment from (- 3, - 9) to (4, 5) that partitions the segment into a

kompoz [17]

Answer:

(0,-1)

Step-by-step explanation:

Let the ends of the line segments be A(-4,3) and B(5,-6).

Ratio=4:5

By the concept of cordinate geometry,

x=(mx2+nx1)/(m+n)

y=(my2+ny1)/(m+n)

where m and n is the ratio m:n.

So, here the cordinates are

x={4(5)+5(-4)}/(4+5)

x=(20–20)/9

x=0

y={4(-6)+5(3)}/9

y={-24+15}/9

y=(-9)/9

y=(-1)

Therefore the cordinates of the point that divides the given line segment in the ratio 4 : 5 is (0,-1)

5 0

3 years ago

Please help 9/5a+12=5

vova2212 [387]

A = -35/9 is the answer

8 0

3 years ago

Someone please help me out.

expeople1 [14]

Answer:

a=6

b=-14

Step-by-step explanation:

6 0

3 years ago