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tensa zangetsu [6.8K]
3 years ago
10

1. If △NMK ≅ △TRP, then answer the following questions: (attached is the photo) Solve for X

Mathematics
1 answer:
solmaris [256]3 years ago
5 0

Answer:x=7

Step-by-step explanation: Set up 3x-1 equal to 20

Then do your usual distributing.

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In a room, there are 450 students of which 20% are girls. A group of students have mobile phones with them, of which 40% are gir
andrew-mc [135]

Answer:

216 boys

Step-by-step explanation:

450 students: 20% girls, 80% boys

450*20%=90 girls

450*80%=360 boys

Students having mobile phones: 40% (OF THE 90) girls, 60% (OF THE 360) boys

90*40%=36 girls

360*60%=216 boys

[We honestly don't need to care about the girls without mobile phones as they are only asking how many boys have mobile phones]


4 0
3 years ago
Read 2 more answers
How do I find the volume of this?​
lorasvet [3.4K]

Answer:

(64+320π) cm^3

Step-by-step explanation:

The volume of a cube is the length*width*height, so

the volume of this cube is 4*4*4=64 cm^3

The volume of a cylinder is the base*height

The base of a cylinder is the area of a circle, which is π*the radius of the circle squared

The diameter of the circle base is 16, and the radius is half the diameter, so it is 16/2=8.

The area of the base of the cylinder is π8^2=64π

Now, multiply the base by the height, 5

64π*5=320πcm^3

We now have the volume of the cube and the volume of the cylinder, so now we just add them:

(64+320π) cm^3

7 0
3 years ago
Evaluate this piecewise function at x = -8 and x = 4.
oee [108]

Answer:

option D :

f(-8) = -2 ; f(4) = 3

Step-by-step explanation:

f(-8) = ³√-8 = -2

f(4) = 3 (the constant function)

6 0
2 years ago
Describe the end behavior of the polynomial function above.
oksano4ka [1.4K]

Answer:

The function goes to positive infinity as x approaches positive and negative infinity

Step-by-step explanation:

3 0
2 years ago
Find n. Perimeter = 86 in.
FromTheMoon [43]
Let the length of rectangle be L and the width of rectangle be W.
Since length exceeds the width by 25 inches, length will be
L = W + 25

Now the perimeter, P, is given by
P = 2(L + W)
Substituting L = W + 25 in the above equation,
P = 2(W + 25 + W)
P = 2(2W + 25)
P = 4W + 50
But P = 86 inches
P = 4W + 50 = 86
4W = 86 - 50 = 36
W = 36/4 = 9

Hence, width W = 9 inches.
Length L = W + 25 = 9 + 25 = 34 inches.
5 0
3 years ago
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