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mel-nik [20]
4 years ago
5

How many vertices are in a polyhedron with 6 triangular faces?

Mathematics
2 answers:
Bingel [31]4 years ago
6 0
I believe it will be 36 Im sorry if im wrong.
dolphi86 [110]4 years ago
6 0
I think it is 36 too and sorry if i answered late 
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The area of a parallelogram is 49.7 cm 2 , and the base of the parallelogram is 3.5 cm. What is the height of the parallelogram
brilliants [131]

Answer:

14.2 cm

Step-by-step explanation:

A parallelogram is a quadrilateral (a four sided object) with parallel sides

Some of the characteristics of a parallelogram includes :

1. Opposite sides  and angles are congruent .

2. Opposite angels are congruent  

3. Consecutive angles are supplementary  

4. The diagonals bisect each other

Area of a parallelogram = base x height

49.7 = 3.5 x height

height = 49.7 / 3.5 = 14.2 cm

3 0
3 years ago
PLEASEEEE HELPPP MEEE <br> 6 and 7 PLEASE
Nitella [24]

Answer:

Question 6

\left(5a+2\right)\left(a+4\right)=\:5a^2+22a+8

Question 7

The width is 2x.

Step-by-step explanation:

                                           Question 6)

Expand

(5a+2)(a+4)

solving to the expand

(5a+2)(a+4)

  • \mathrm{Apply\:FOIL\:method}:\quad \left(a+b\right)\left(c+d\right)=ac+ad+bc+bd

a=5a,\:b=2,\:c=a,\:d=4

so the expression becomes

=5aa+5a\cdot \:4+2a+2\cdot \:4

=5aa+5\cdot \:4a+2a+2\cdot \:4

=5a^2+20a+2a+8

adding similar elements: 20a+2a=22a

=5a^2+22a+8

Hence,

\left(5a+2\right)\left(a+4\right)=\:5a^2+22a+8

                                                  Question 7)

Given

  • A\:=\:8x^2
  • l=4x

Using the formula

width = Area/Length

          =\:\frac{8x^2}{4x}

          =2x                  ∵ \mathrm{Divide\:the\:numbers:}\:\frac{8}{4}=2

Therefore, the width is 2x.

5 0
3 years ago
Answer these 2 different questions ( i am so confused on this hellp!!)
Dmitry [639]
6) above 7) 0.058 or 0.048

5 0
2 years ago
For a quantity that changes frequently from month to month, the best kind of graph is a pie chart.
lana66690 [7]
For a quantity that changes frequently from month to month, the best kind of graph is a pie chart.a true
3 0
4 years ago
Read 2 more answers
a bag has red, green and blue marbles. The probability of selecting a red marble is 1/3 and the probability of selecting a green
Minchanka [31]

Answer:

I don't give answers sorry.

Step-by-step explanation:

What you would do is take 1 and subract the two probabilites from it. The equation should be 1-\frac{1}{3} -\frac{2}{5}. You can find a common denominator by making it both 15.

3 0
3 years ago
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