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jok3333 [9.3K]
3 years ago
10

The perimeter of an equilateral triangle must be at most 57 feet. Create an inequality to find

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

171

Step-by-step explanation: 57 x 3= 171

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Help me pleasee i need help
svet-max [94.6K]
It should be m < a + m < b + m < c = 180.....sum of angles of a triangle
7 0
3 years ago
Read 2 more answers
Write a quadratic function for each graph described.
user100 [1]

Answer:

y=2x^2-\frac{4}{3}x-\frac{10}{3}

Step-by-step explanation:

we know that

The roots of the quadratic function (x-intercepts) are

x=-1 and x=5/3

so

we can write the equation of the parabola as

y=a(x+1)(x-\frac{5}{3})

where

a is a coefficient

Remember that

The parabola pass through the point (5,40)

substitute the value of x and the value of y of the ordered pair in the quadratic equation and solve for a

x=5, y=40

40=a(5+1)(5-\frac{5}{3})

40=a(6)(\frac{10}{3})

40=20a\\a=2

substitute

y=2(x+1)(x-\frac{5}{3})

apply distributive property

y=2(x^2-\frac{5}{3}x+x-\frac{5}{3})\\\\y=2(x^2-\frac{2}{3}x-\frac{5}{3})\\\\y=2x^2-\frac{4}{3}x-\frac{10}{3}

see the attached figure to better understand the problem

6 0
3 years ago
Write the rounded weight to the earest 0.1 pound. Of 2.608
Aliun [14]
2.608 rounded to the nearest tenths = 2.6
7 0
3 years ago
Find the area of a circle with a diameter of 8 in. Rounded to the nearest tenth. Use 3.14 for π.
rodikova [14]

Answer:

50.2 in^2

Step-by-step explanation:

Using the Formula

A=πr2

d=2r

Solving for A

A= 1/4 π d^2 = 1/4*π*8^2 = 50.26548

=50.2in^2

7 0
3 years ago
Help pls <br> 5/2x-7=3/4x+14
katrin2010 [14]

\frac{5}{2}x-7=\frac{3}{4}x+14

\frac{5x}{2}-7=\frac{3}{4}x+14\\\\\frac{5x}{2}-7=\frac{3x}{4}+14

10x−28=3x+56

10x=3x+56+28

10x=3x+84

10x−3x=84

7x=84

x=\frac{84}{7}

x=12

Hope this helps, have a blessed and wonderful day!

8 0
3 years ago
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