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Masja [62]
3 years ago
9

Please help and please show your work i need to know how to do this please I beg

Mathematics
2 answers:
Arturiano [62]3 years ago
5 0
Answer: 74
Explanation: multiply the base (12) by the side (5) which is 60. Then do 7 times 2 which is 14 then add them Togehter
butalik [34]3 years ago
4 0

Answer:

so first do the top one so that would be 7*2 which is 14

and then the bottom which is 5*12 so that would be 60.

60+14 is 74!! 74sq in!

Step-by-step explanation:

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is x-1 taking away an x or adding an x?? im trying to find the perimeter of area tiles, and the perimeter is x + x + x + (x-1) +
Vanyuwa [196]

Answer:

4x + 2

Step-by-step explanation:

x - 1 is adding an x and subtracting a 1 ,so

x + x + x + (x - 1) + 1 + 1 + 1

= x + x + x + x - 1 + 1 + 1 + 1 ← collect like terms

= 4x + 2

3 0
2 years ago
Write the expression using exponents. 8 x 8 x 8 x 8 x 8​
MrRissso [65]

Answer:

<h3>8^{5}  or 32,768</h3>

Step-by-step explanation:

8 x 8 x 8 x 8 x 8

= 8² + 8²

=8²+²

=8^5

4 0
3 years ago
The area of the regular pentagon is 6.9 cm2. What is the perimeter? 2 cm 5 cm 10 cm 20 cm
disa [49]

Given

Area of the regular pentagon is 6.9 cm².

Find out the perimeter of a regular pentagon

To proof

Formula

Area of regular pentagon is

= \frac{1}{4}\sqrt{5(5+2\sqrt{5})}\ a^{2}

As given in the question

area of regular pentagon = 6.9 cm²

now equating the area value with the area formula.

6.9 =\frac{1}{4}\sqrt{5(5+2\sqrt{5})} a^{2}

Now put

√5 = 2.24 ( approx)

put in the above equation

\frac{6.9\times 4}{\sqrt{5(5+2\times2.24)}}=a^{2}\\\frac{27.6}{\sqrt{47.4}}=a^{2}\\\frac{27.6}{6.88}=a^{2}

thus

a² = 4.01

a = √ 4.01

a = 2.0 cm ( approx)

As perimeter  represented the sum of all sides.

i.e regular pentagon have five sides of equal length.

Thus

perimeter of the regular pentagon = 5 × side length

                                                         = 5 ×2.00

therefore the perimeter of the regular pentagon = 10cm

option c is correct

Hence proved









3 0
3 years ago
Read 2 more answers
What is the greatest number of right angles a hexagon can have?
finlep [7]
So hexagon is 6 sides and 6 angles
it can have a max of 2 right angles
if you make an irregular hexagon with one of the lines going into the figure then the answer is 4

if you have all the lines outside of the hexagon then the max is 2
 

a geoboard is a board with pegs that you can put rubber bands on to form  a figure.  google it

4 0
3 years ago
Last week Jovanna ran 30 miles
Nuetrik [128]

Answer: 17 miles

Step-by-step explanation:

47 - 30 = 17

6 0
3 years ago
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