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fomenos
3 years ago
5

Find the value of x.

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0

Answer:

<h2>20</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • equation
  • PEMDAS
<h3>tips and formulas:</h3>
  • a straight line contains 180°
<h3>let's solve:</h3>

according to the question

7x+x+20=180

=>8x+20=180

=>8x=160

therefore

x=20

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Please help fast and show all work thanks
Rus_ich [418]
(-1-16^)^2+(14-16)^2
(-7)^2+(-2)^2
49+4
53= 7.3
So 7.3 is your answer
5 0
3 years ago
Jamal stands on a dock 1.5 meters above the surface of the water. A trout swims 4.8 meters below Jamal. What is the position of
uysha [10]

Answer:

Jamal stands on a dock 1.5 meters above the surface of the water.A trout swims 4.8 meters below Jamal.What is the depth of the trout compared to the surface of the water?

The position of the trout is 3.3 meters below the surface of the water.

Step-by-step explanation:

Given:

Jamal's position from the surface of the water = 1.5 meters

Trout's position with reference to Jamal's position =4.8 meters (Below)

Trout's position from the surface of the water is unknown.

Let

Trouts position be 's'.

And the surface of the water as equivalent to the origin (0,0) co-ordinate of the Cartesian.

Below water we will assign negative height as it lies on negative y-axis (below the origin).

We have to find 's',which can be known from adding both the values.

s+1.5=4.8

s = 4.8-1.5=3.3

So the trout is swimming 3.3 meters below the surface of the water.

We can say that it is below the water so it can also be written as negative 3.3 (according to our coordinates).

The position of the trout is 3.3 meters below the surface of the water.

6 0
3 years ago
Read 2 more answers
How can I insert symbols to make this number sentence true 24/8+4*3=15
Veronika [31]
The answer is from another person btw

6 0
3 years ago
Faith reads each night before bed. She read 623 pages last week. If she read the same number of pages every night, which equatio
Alona [7]

Answer:

 x= 623/7      x =89              89 pages every night

Step-by-step explanation:

A week has 7 days

She reads 623 pages in one week(623 in 7 days)

5 0
3 years ago
You have 30,016 grams of radioactive kind of
Ostrovityanka [42]

Answer:

15,008 grams

Step-by-step explanation:

You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes? 15,008 grams.

4 0
3 years ago
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