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olasank [31]
3 years ago
11

Someone help and plz make sure it’s right

Mathematics
2 answers:
Archy [21]3 years ago
7 0
The answer is b because 80+60=140, -7 and then divide by three you get 11
Ivanshal [37]3 years ago
3 0

Answer:

x=11

Step-by-step explanation:

3x+7+60+80=180

3x+147=180

3x=33

x=11

Hope this helps :D

BTW 180 degrees is how many degrees in a triangle

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If [2+3] [1+x]=25 what is x?
user100 [1]

\boxed{\underline{\bf \: ANSWER}}

(2 + 3)(1 + x) = 25 \\ 5(1 + x) = 25 \\ 1 + x = 25 \div 5 \\ 1 + x = 5 \\ x = 5  - 1 \\  \boxed{x = 4}

<u>Note </u><u>:</u><u>-</u>

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About $676.5 billion will be spent at restaurants in 2018 if this trend continues

Step-by-step explanation:

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5 0
3 years ago
Find the circumference and area of a circle with diameter 12 ft. Express your answer in terms of pie
xz_007 [3.2K]

Answer:

Circumference: 12π

Area: 36π

Step-by-step explanation:

The equation for the circumference of a circle is:

C = πd

Where C is the circumference and d is the diameter. Knowing this, we will be able to find the circumference by pugging in 12 for d.

C = 12π

And now we have found the circumference of the circle.

The equation for the area of a circle is:

A = πr²

Where A is the area and r is the radius. Remember that the diameter is double the radius, so we can find the radius:

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4 0
4 years ago
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Sergio039 [100]

Answer:

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-----------------

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The negative exponent goes in the denominator

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4 0
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