3 years ago

What is the value of x?

Mathematics

1 answer:

Alex777 [14]3 years ago

7 0

Answer:

D. 30°

Step-by-step explanation:

By exterior angle theorem:

x° + 70° = 100°

x° = 100° - 70°

x° = 30°

x = 30

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Lawrence is half as old as Jonathan. The sum of their ages is 54. How old is Jonathan?

schepotkina [342]

Answer:

Jonathan is 36 years old.

Step-by-step explanation:

Jonathan=2 Lawrence

J= 2L

54 divided by 3 equals 18.

18 times 2 equals 36.

Hope this helped! :)

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3 years ago

A cell phone provider charges $30 each month to have a cell on their plan, but their talk and text are not free. It costs $0.05

Ugo [173]

The answer is 10x +0.05x +30=y

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3 years ago

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3tenths - 3 twentieth

lakkis [162]

Answer:

0.15

Step-by-step explanation:

Given expression

3 tenths- 3 twentieth

⇒

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3 years ago

What is 56/108? they are even numbers so they can be simplified but I don't know how to do it right.

Andrews [41]

That answer is simplified to 7/12

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What is the radius <br> (x + 10)² + (y - 8)2 = 169

d1i1m1o1n [39]

The given equation is an equation of a circle where the number after the equal sing is the radius squared.

To find the radius take the square root.

Radius = SQRT(169)

Radius = 13 units.

6 0

3 years ago