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3 years ago

How many triangles are there in a 7 sided shape

Mathematics

1 answer:

IceJOKER [234]3 years ago

6 0

Answer:

There are five triangles in a heptagon. A heptagon is a seven-sided polygon.

Step-by-step explanation:

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I need help with this question somebody please help !

Katyanochek1 [597]

Answer:

Step-by-step explanation:

f(x)=2x^2-3x+1

f(-2)=2*(-2)^2 -(3*-2)+1

=2*4-(-6)+1

=8+6+1

=15

6 0

3 years ago

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Evaluate or simplify the expression without using a calculator. log 1000

Fed [463]

log(1000) is equals to three!!!!!!!!!!!

8 0

3 years ago

kojo wants to be an author. To improve his writing skills, every day after school he writes 3 pages of a story he is working on.

Aleksandr-060686 [28]

Answer:

(a) 3d=81

(b) 27

Step-by-step explanation:

every day, kojo write 3 pages

number of days he has written his story= d days

therefore number of pages he has written= 3d

from the final sentence,

3d= 81

<h3>(a) the equation to describe the situation: </h3><h3>3d= 81</h3>

(b) number of days kojo has been writing his story

3d= 81

dividing through by d

3d/3= 81/3

d = 27

<h3>therefore number of days = 27</h3>

4 0

2 years ago

Divide. Write your answer in scientific notation.<br> 8 103<br> 2 x 103

Elenna [48]

Answer: = 8.346296 × 106

Step-by-step explanation:

7 0

3 years ago

Solve the equation. 8 – 2x = –8x + 14

goldenfox [79]

Answer:

$x=1$

Step-by-step explanation:

We are asked to solve the given equation: $8-2x=-8x+14$ .

To solve this equation we will combine like terms by moving all the terms containing x to the left hand side of equation and terms without x to right hand side of equation.

Let us add 8x to both sides of our equation.

$8-2x+8x=-8x+8x+14$

$8-2x+8x=14$

$8+6x=14$

Let us subtract 8 from both sides of our equation.

$8-8+6x=14-8$

$6x=14-8$

$6x=6$

Upon dividing both sides of our equation by 6 we will get,

$\frac{6x}{6}=\frac{6}{6}$

$x=\frac{6}{6}$

$x=1$

Therefore, the value of x equals 1 will satisfy our given equation.

8 0

3 years ago

Read 2 more answers