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zheka24 [161]
3 years ago
5

Please help me! I need help with this question!

Mathematics
1 answer:
Ber [7]3 years ago
5 0
We have to assume that the pentagon shape is regular so that all sides have equal length. The lateral area is the sum of the areas of 5 triangles, all with the same base length and height.
.. lateral area = 5*(1/2)*(3 cm)*(9 cm) = 67.5 cm^2
.. base area = given as 15.5 cm^2

Total area = lateral area +base area = (67.5 +15.5) cm^2 = 83 cm^2.
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For the right triangle shown, the lengths of two sides are given. Find the third side. Leave your answers in simplified, radical
PtichkaEL [24]
This is a simple Pythagorean theorem, which says that c2 = a2 + b2
So let us just apply it here:

c^2 = 4^2 + 4^2
c^2 = 16 + 16
c^2 = 32
c = <span>√32
c = </span><span>√2*16
c = 4</span><span><span>√2

</span>The correct answer is c = 4</span><span>√2.</span>
8 0
3 years ago
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Charlie was carrying around the steps to solve Square root of 6x plus 4 = 8. On his way through the Math Factory, Charlie droppe
MrMuchimi
The answer is
<span>F. Square both sides
</span><span>D. Subtract 4 from both sides
</span><span>C. Divide by 6 from both sides
</span>
√(6x +4) = 8

Square both sides:
(√(6x +4))² = 8²
6x + 4 = 64

Subtract 4 from both sides
6x + 4 - 4 = 64 - 4
6x = 60

Divide by 6 from both sides
6x/6 = 60/6
x = 10
7 0
3 years ago
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Triangle
Liula [17]
D.perpendicular cross section of a pyramid cone
8 0
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I'm so lost on this work
kozerog [31]

Answer:

Typist A can type faster

Step-by-step explanation:

Replace the t in w = 50t with any numbers and graph the points you get

You can see that typist A can type 50 words per minute when typist B can only type 40

6 0
3 years ago
The vertex parabola is (-2,-3) when the x value is -1 the y-value is -5 what is the coefficient of the squared expression in the
zhannawk [14.2K]
The equation can be written in vertex form as
  y = a(x +2)² - 3
Substituting the given values, we can find the coefficient "a".
  -5 = a(-1+2)² -3
  -2 = a . . . . . . . . . add 3 and simplify

The coefficient of the squared term is -2.

4 0
4 years ago
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