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Irina-Kira [14]
3 years ago
7

Is the square root of 4 plus the square root of 16 rational?

Mathematics
2 answers:
evablogger [386]3 years ago
8 0

Answer: Yes


Step-by-step explanation:

The square root of 4 + the square root of 16 = 6 which is a rational number.

andre [41]3 years ago
8 0

Answer:

Yes, it is rational

Step-by-step explanation:

sqrt(4)  =±2

sqrt(16) =±4

Both of these numbers are rational, so the sum of rational numbers is rational


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umka21 [38]

Answer:

Following are the solution to the given question.

Step-by-step explanation:

Please find the graph file and its solution in the attachment.  

4x-15=3x+28\\\\4x-3x=28+15\\\\x=43\\\\

Similarly:

3y+5=2y+50\\\\3y-2y=-5+50\\\\y=45\\\\

For point 1:\to KR=4x-15= 4\times 43-15=172-15=157

For point 2: \to BR=2y+50= 2\times 43+50=86+50=136

For point 3:\to BE=KR=157

For point 4:\to Kf=BR=130

For point 5:\to ERK=KFB=180^{\circ} -\angle B-\angle ERB = 180^{\circ}-92^{\circ}-18^{\circ}=70^{\circ}

4 0
3 years ago
Whats the answer to number 9?
agasfer [191]

Answer:

B and D

Step-by-step explanation:

Because only those two equations on the graphs are straight. and are increasing or decreasing in a constant pace.

4 0
3 years ago
Solve the equation: Ab = 56 b = [?]​
riadik2000 [5.3K]

Answer:

B can be 1, 2, 4, 7, 8, 14, 28 and 56.

Basically any factor of 56.

Hope that helps!

<em>-scsb17hm</em>

Step-by-step explanation:

7 0
3 years ago
Gage is building a model rocket for a science fair project. He attaches a nosecone to a cylindrical body to form the rocket's fu
denpristay [2]

Answer:

305.78 in2

Step-by-step explanation:

The rocket has two parts: one is a cylinder and the other is a cone.

To find the total volume of the rocket, we need to find firstly the volume of each part.

The cylinder has a radius of 2 inches and a height of 2*12 + 5 - 7 = 22 inches, so its volume is:

V1 = pi * r^2 * h = pi * 2^2 * 22 = 276.46 in2

The cone has a radius of 2 inches and a height of 7 inches, so its volume is:

V2 = (1/3) * pi * r^2 * h = (1/3) * pi * 2^2 * 7 = 29.32 in2

Then, we have that the volume of the rocket is:

V = V1 + V2 = 276.46 + 29.32 = 305.78 in2

3 0
3 years ago
I don't understand how
olga nikolaevna [1]
30 ft should be the answer
8 0
3 years ago
Read 2 more answers
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