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Tcecarenko [31]
3 years ago
6

I need help solving this

Mathematics
1 answer:
castortr0y [4]3 years ago
6 0

Answer:

x=10

y=25

Step-by-step explanation:

3x-10+5x+30+6x+20=180

14x+40=180

14x=180-40

14x=140

x=10

9x-10=4y-20

9(10)-10=4y-20

90-10=4y-20

80=4y-20

80+20=4y

100=4y

25=y

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(4x squared) to the 3rd power
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Answer:

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Step-by-step explanation:

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3 years ago
-7+21y+23=16 pls help rn
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
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Step-by-step explanation:

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5 0
3 years ago
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dolphi86 [110]

The perimeter of the polygon that circumscribes the circle is 78 cm

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

The circle tangent theorem states that tangents which meet at the same point are equal in length. Hence:

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The perimeter of the polygon that circumscribes the circle is 78 cm

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4 0
1 year ago
F has 10 more marbles than I. Both boys have 15 marbles combined. How many marbles does each boy have?
olganol [36]

Answer:

F has 10 marbles and I has 5 marbles.

Step-by-step explanation:

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3 years ago
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