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dimulka [17.4K]
3 years ago
14

What is the quality of 4x+27x=5

Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

Answer:

<h3>X=5/31=0.16</h3>

Step-by-step explanation:

Isolate x on one side of the equation.

4x+27x=31x (Combine like terms, group like terms, & Add.)

31x=5

31x/31=5/31 (Divide by 31 from both sides.)

5/31=0.16

x=5/31=0.16

In conclusion, the correct answer is x=5/31=0.16.

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The length of a rectangle is 3 times the width. The perimeter of the rectangle is 72cm. Find the dimensions of the rectangle
larisa86 [58]

Answer:

Length: 27 width:9

Step-by-step explanation:

27 + 27 + 9 + 9 = 72 and 27 is 3 x 9

8 0
3 years ago
Two buildings on level ground are 120 m and 85 m tall respectively. given that the angle of elevation of the top of the taller b
Luda [366]

Answer:

(-8,-5)

Step-by-step explanation:

7 0
2 years ago
4. A triangle has angle measures of 72º and 3°. What is the measure of the third angle?
8090 [49]

Answer:

105

the whole triangle adds up to 180

72+3=75

180-75=105

7 0
2 years ago
A square fits exactly inside a circle with each of its vertices being on the circumference of the circle.
swat32

Answer:

The side of the square is 5.971 cm

Step-by-step explanation:

If the square fits the circle exactly, then its diagonal is equal to the diameter of the circle. Since the side of the square has a length of x cm, then it's diagonal have the length of x\sqrt2 cm. Using the circle's area we can find the diagonal of the square, as shown below:

area = \pi*r^2\\56 = pi*r^2\\r^2 = \frac{56}{\pi}\\r = \sqrt{\frac{56}{\pi}}\\r = 4.222

Since the diameter of the circle is the same as the diagonal of the square, then:

x\sqrt{2} = 2*r \\x = \frac{2*r}{\sqrt{2}}\\x = \frac{2*4.222}{\sqrt{2}}\\x = 5.971

The side of the square is 5.971 cm

8 0
3 years ago
Read 2 more answers
Explain the algebra 5a - 9a - (-2a) =
sleet_krkn [62]

Hello!

5a - 9a - (-2a) =

= 5a - 9a + 2a =

= -4a + 2a =

= -2a

Good luck! :)

7 0
3 years ago
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