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3 years ago

6x - Sy- 5x + 3yhhhjhhhh

Mathematics

1 answer:

Alona [7]3 years ago

3 0

Answer: combine like terms 11x+8y

Step-by-step explanation:

6xand 5x is 11x and 5y and 3y is 8 y or distribute and get it hope this helps

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What's 43080700 in word form

skad [1K]

Forty three million, eighty thousand seven hundred

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3 years ago

X=4y-7<br> 2x+9y=-31 <br> What be the answer

dybincka [34]

Answer:

x=-11

y=-1

Step-by-step explanation:

x=4y-7

2x+9y=-31

2(4y-7)+9y=-31

8y-14+9y=-31

17=-31+14

17y=-17

y=-1

x=4(-1)-7

x=-11

7 0

3 years ago

Read 2 more answers

Find the equation of circle having centre with

GaryK [48]

Step-by-step explanation:

Simply use the general equation of a circle to obtain its equation given the center. Because radius is 5 units, this may be referred to the 3-4-5 triangle, meaning the point on circumference is 3 units across in the x-direction and 4 units up in the y-direction.

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3 years ago

Help me please please

ratelena [41]

When dividing same numbers with different exponents (they’re both 10 so this works different than if they were different numbers) you subtract the top exponent by the bottom exponent. So 15-4=11 ultimately making the solution 10^11. Hope this helps :)

4 0

2 years ago

1) 5x-2y=4. 2) 3x-5y=13 x-2y=5<br>3x+y=9

Natali [406]

$\left\{\begin{array}{ccc}5x-2y=4\\3x+y=9&/\cdot2\end{array}\right\\+\left\{\begin{array}{ccc}5x-2y=4\\6x+2y=18\end{array}\right\\----------\\.\ \ \ \ \ 11x=22\ \ \ \ /:11\\.\ \ \ \ \ \ \ x=2\\\\3\cdot2+y=9\\6+y=9\\y=9-6\\y=3\\\\Answer:x=2;\ y=3$

$\left\{\begin{array}{ccc}3x-5y=13\\x-2y=5\end{array}\right\\\left\{\begin{array}{ccc}3x-5y=13\\x=2y+5\end{array}\right\\\\substitute:\\\\3(2y+5)-5y=13\\6y+15-5y=13\\y=13-15\\y=-2\\\\x=2\cdot(-2)+5=-4+5=1\\\\Answer:x=1;\ y=-2.$

5 0

3 years ago

6x - Sy- 5x + 3yhhhjhhhh​

6x - Sy- 5x + 3yhhhjhhhh