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Ivanshal [37]
3 years ago
14

Select all the coefficients of the following variable expression-3x+5y-8

Mathematics
1 answer:
LenKa [72]3 years ago
4 0

Answer:

-3, 5

Step-by-step explanation:

llllgggvbhhbhhmvhngjj

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The area of a regular heptagon can be found by breaking the heptagon into seven congruent triangles and then taking the sum of t
hichkok12 [17]

Answer:

True

Step-by-step explanation:

The area of a regular polygon is found by multiplying 1/2 times the apothem times the perimeter.  The area for a single triangle is 1/2 times the height (which is the same as the apothem of a regular polygon) times the base (which is one of the sides of the regular polygon which you are multiplying by  to find the perimeter of the polygon).

7 0
3 years ago
Read 2 more answers
6.5 x 1/9 please help
hjlf

Answer:

13/18

Step-by-step explanation:

  • 6.5 · 1/9 = 6 5/10 · 1/9
  • 6 5/10 · 1/9 = 6 1/2 · 1/9
  • 6 1/2 · 1/9 = 13/2 · 1/9
  • 13/2 · 1/9 = 13/18

Therefore, 6.5 · 1/9 = 13/18.

7 0
2 years ago
Which are the roots of the quadratic function f(b) = 62 – 75? Select two options.
elena55 [62]

Answer:

b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}

Step-by-step explanation:

Given

f(b) = b^2 - 75

Required

Determine the roots

To get the root of the function, then f(b) must be 0;

i.e. f(b) = 0

So, the expression becomes

0 = b^2 - 75

Add 75 to both sides

75 + 0 = b^2 - 75 + 75

75 = b^2

Take square roots of both sides

\sqrt{75} = \sqrt{b^2}

\sqrt{75} = b

Reorder

b = \sqrt{75}

Expand 75 as a product of 25 and 3

b = \sqrt{25*3}

Split the expression

b = \sqrt{25} *\sqrt{3}

b = \±5 *\sqrt{3}

b = \±5 \sqrt{3}

b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}

The options are not clear enough; however the roots of the equation are b = 5 \sqrt{3} \ or\ b = -5 \sqrt{3}

4 0
3 years ago
at a sport banquett 8 guests are seated at each of the 15 tables how many guests (x) are seated at the table
Novosadov [1.4K]

Answer:

120

Step-by-step explanation:

15x8=120 so that the answer

7 0
3 years ago
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Solve for x: -3 + 4x = 25
EleoNora [17]

Answer:

x=7

Step-by-step explanation:

potato^3

7 0
3 years ago
Read 2 more answers
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