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blagie [28]
3 years ago
7

What is 20% of 76 i need help

Mathematics
2 answers:
Lady_Fox [76]3 years ago
8 0
15.2 is the answer to you question
Nonamiya [84]3 years ago
4 0
76/x=100/20
<span>(76/x)*x=(100/20)*x       - </span>we multiply both sides of the equation by x
<span>76=5*x       - </span>we divide both sides of the equation by (5) to get x
<span>76/5=x </span>
<span>15.2=x </span>
x=15.2
<span>

20% of 76=15.2</span>
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Need help please assist me find the area of a regular hexagon
garri49 [273]

Answer:

The area of the regular hexagon is 166.3\ units^{2}

Step-by-step explanation:

we know that

The area of a regular hexagon can be divided into 6 equilateral triangles

so

step 1

Find the area of one equilateral triangle

A=\frac{1}{2}(b)(h)

we have

b=r=8\ units

h=4\sqrt{3}\ units ----> is the apothem

substitute

A=\frac{1}{2}(8)(4\sqrt{3})

A=16\sqrt{3}\ units^{2}

step 2

Find the area of 6 equilateral triangles

A=(6)16\sqrt{3}=96\sqrt{3}=166.3\ units^{2}

7 0
3 years ago
-0.4a + 3 = 7 <br> a = <br> plz help
Papessa [141]

Answer:

a = -10

Step-by-step explanation:

-0.4a + 3 = 7

subtract 3 from each side

-0.4a + 3-3 = 7-3

-.4a = 4

Divide each side by -.4

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4 0
3 years ago
Help please :)
Marta_Voda [28]
If you are given 25 gallons, then all u have to do is multiply 25 by 2.369
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5 0
3 years ago
Read 2 more answers
I need help please! 35 points to who ever can solve it, no links please.
Pepsi [2]

Answer:

2. -2

2b. 28

2c. I'm confused

3. >

b. <

c. >

d. =

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Step-by-step explanation:

I hope this helps :)

8 0
2 years ago
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Health club A charges $60 yearly enrollment fee and $2 per visit. Health club B charges $20 yearly enrollment fee and &amp;4 per
atroni [7]

Answer:

  20 visits

Step-by-step explanation:

The club that charges $40 more for enrollment charges $2 less per visit. The savings on visits is equal to the extra enrollment charge when the number of visits is 40/2 = 20.

For 20 visits, the cost at both clubs is the same.

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If you let v represent the number of visits, ...

  A = 60 +2v . . . . cost at club A

  B = 20 +4v . . . . cost at club B

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  40 = 2v . . . . . . . subtract 20+2v from both sides

  40/2 = v = 20 . . . . . . same as "word solution" above

7 0
3 years ago
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