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jolli1 [7]
3 years ago
10

Guys, please help me with this question.

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:

2

Step-by-step explanation:

We are asked to perform the subtraction

x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1

= x² + xy - 3y² - 5x² + xy - y² ← collect like terms

= (x² - 5x²) + (xy + xy) + (- 3y² - y² )

= - 4x² + 2xy - 4y²

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2z-18-4z=-8 what is the value of z
zmey [24]

The z is 5

−2⋅<em>z</em>=−8+18

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=

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+

18

Simplify :

−2⋅<em>z</em>=10

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⋅

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10

Dividing by the variable coefficient :

<em>z</em>=−

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2

Simplify :

<em>z</em>=−5

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The solution of equation

2⋅<em>z</em>−18−4⋅<em>z</em>=−8

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⋅

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18

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[−5]

7 0
3 years ago
Who wants free brainliest<br><br> whats 1+!<br><br> 2 or 11?
nydimaria [60]

Answer:

1+1 = 2 or 2 + 11 = 13

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
1. Glenda is buying trees to plant in her yard. One tree that normally would cost $350 is on sale for 60% off.
butalik [34]

Answer:

350-60

Hope this helps. Have a great day:)

3 0
3 years ago
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How do I use the arc length to find the circumference ?
Mashutka [201]
<span>arc length   =   circumference • [central angle (degrees) ÷ 360]

Solving this equation for circumference:
</span>
<span>circumference = arc length / (central angle / 360)

</span><span>circumference = 12 / (85/360)

</span>circumference = 12 / <span><span>0.2361111111 </span>
</span>
<span>circumference = </span> <span> <span> <span> 50.8235294118 </span> </span> </span>

Source:
http://www.1728.org/radians.htm


8 0
3 years ago
A male lion eats about 108 pounds of meat in a week about how much does it eat in a day
Gennadij [26K]

Answer:

15 remainder 3 or 15.43

8 0
4 years ago
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