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pogonyaev
3 years ago
14

PLS HELP ASAP NEED FAST

Mathematics
1 answer:
o-na [289]3 years ago
7 0

Answer:

there is no mistake.

Step-by-step explanation:

the steps are all correct.

it cant be 'they should be divided' since that's not how it works.

it cant be 'tan 68 should be cos 68' since for cos we need \frac{adjacent}{hypotenuses}

and since for tan it is \frac{opposite}{adjacent} it cant be\frac{14}{x}

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State 2 advantages of thermal expansion​
enot [183]

Answer:

Adaptable Refrigerant Flow.

Keeps the Evaporator Active and in Optimal Performance.

Higher Power Efficiency.

Eliminates Risk of Compressor Breakdown.

Handles Variation in Refrigerant Charge.

Better Temperature Control.

6 0
3 years ago
What is the solution to the inequality?
AURORKA [14]
5x +8 >-12
5x > -20
x> -4
the answer is B
6 0
3 years ago
Find the measure of angle b. Note that the measure of angle b is acute. Round to the nearest degree.
maks197457 [2]

Answer:

60.75

Step-by-step explanation:

sinA    sinB

------- = -----

a           b

sin(79)/9 = sinB/8

inverse sin B = 0.87

B = 60.75

6 0
3 years ago
A trampoline has an area of 49pi square feet. What is the diameter of<br> the trampoline?
Alex17521 [72]

Answer:

The diameter is 14π

Step-by-step explanation:

We know the area of a circle is πr^2

let 49π=πr^2

Cancel the π's, and you get 49=r^2

Take the square root and you get r=7

The diameter of a circle is 2πr.

2π(7)=14π.

8 0
3 years ago
What is the solution to the equation -0.2(x - 20) = 44 - x? x = -90 x = 50 x = -50 x = 90
Arturiano [62]

Answer:

x= 50

Step-by-step explanation:

First, simplify the equation

Expand the terms on the left hand side to make it easier to rearrange

   -0.2(x-20) =44-x

   -0.2x+4 =44-x

Rearrange the equation by moving the numbers to one side and the variables to the other

   -0.2x +x= 44-4

    0.8x = 40

Isolate for x

    x= 40/0.8

    x= 50

6 0
4 years ago
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