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pentagon [3]
3 years ago
8

Consider the function f(x)=−2/3x+1 What is f(3)?

Mathematics
1 answer:
Oksana_A [137]3 years ago
5 0
Replace x with 3 and simplify.
-1
Hope this helps! & Happy New Years! :)
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The triangle below has a total perimeter of 450 cm:
Korvikt [17]
Equation: 450 = 128 + 150 + n

work:

1st step:
128+150 = 278

2nd step:
450-278 = 172

answer: 172

3rd step (checking) :
450 = 128 + 150 + 172
450 = 278 + 172
450 = 450

3 0
3 years ago
A(-2,-2) B(-1,2) C(2,1) / A (-4,-4) (-2,4) C(4,2)
Vitek1552 [10]

Answer:

umm lettders dont go in math pst this in englash

Step-by-step explanation

yeet

8 0
3 years ago
You are going to buy doughnuts for your coworkers. You buy 2 boxes of glazed doughnuts for $3.99 each, 3 boxes of chocolate-cove
Georgia [21]
2 x 3.99 = 7.98
3 x 4.49 = 13.47
1 x 4.99 = 4.99
Total:  26.44

50.00 - 26.44 = 23.56
6 0
3 years ago
Read 2 more answers
A sphere has a radius of 5 inches. What is its volume?
jarptica [38.1K]

Given  ↓

  • Radius of sphere = 5 in
<h3>To Find ↓</h3>
  • The volume of the sphere
<h3>Calculations ↓</h3>

\blue{\boxed{\mathsf{V=\frac{4}{3} \pi r^3}}

↑ formula for volume of a sphere

r = 5 in

Plug in the value of r and solve :

\blue{\boxed{\mathsf{V=\frac{4}{3}\pi (5)^3}}}

Simplify as follows :

\blue{\boxed{\mathsf{V=\frac{4}{3}\pi *125} }}

\blue{\boxed{V=\frac{4}{3} *392.7}}

Final Step :

\blue{\boxed{\pmb{V=523.6\:in\:^3}}

\footnotesize\text{hope\:helpful}

4 0
2 years ago
This is a polygon. I can’t find the missing angle ?
siniylev [52]
This is a lot of calculation.

So we know that the sum of angles for any heptagon is 900, because heptagon can be divided into five non-overlapping triangles and sum of angles of each triangle is 180.

Now you just add up all angles and simplify the equation:

900 = (6x - 8) + 120 + (7x - 64) + (5x - 4) + 135 + (3x + 31) + (4x + 15)

900 = <span>25x + 225

Now it's just regular algebra equation. You can solve for x:

675 = 25x

x = </span>27

So the value of x is 27
3 0
3 years ago
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