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3 years ago

Number of diagonals in a 10 sided figure are

Mathematics

1 answer:

Alex3 years ago

8 0

Answer:

35 diagonals in decagon

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Photo attached! 10 points! Thank you in advance!!

Fantom [35]

$ax^2+bx+c=0\\\\x^2+7x+9=3\qquad|\text{subtract 3 from both sides}\\\\x^2+7x+9-3=3-3\\\\\boxed{x^2+7x+6=0\to A.}$

$a=1,\ b=7,\ c=6$

6 0

3 years ago

Read 2 more answers

Asap I will fail it’s due soon

Elan Coil [88]

Answer:

See explanation

Step-by-step explanation:

1. From the graph of absolute value function:

a. The domain is $x\in (-\infty, \infty)$

b. The range is $y\in [0,\infty)$

c. The graph is increasing for all $x>0$

d. The graph is decreasing for all $x$

2. From the graph of quadratic function:

a. The domain is $x\in (-\infty, \infty)$

b. The range is $y\in (-\infty,0]$

c. The graph is increasing for all $x$

d. The graph is decreasing for all $x>0$

4 0

3 years ago

1. What are the intercepts of the equation 2x+3/2y+3z=6

Roman55 [17]

Use
Math
Way
It can tell u
Or
Photo
Math

4 0

3 years ago

Read 2 more answers

Aunt Kendra is pricing cakes for a baby shower she is throwing. She wants one large cake shaped like a duckling and also some cu

Andreas93 [3]

Answer:

$70

Step-by-step explanation:

Middletown Equation:

1c +50 = T

Sweet Shoppe Equation:

2c + 30 = T

Set equations equal to one another and solve for first for cupcakes then for cost.

1c + 50 = 2c + 30

c+ 20 = 2c

20 = c (twenty cupcakes would be ordered)

Now insert into either equation ( or both to check)

1(20) + 50 = 70

2(20)+ 30 = 70

Total cost would be $70

HOPE THIS HELPS!!!

4 0

2 years ago

Which of the following statement must be true?I WILL MARK THE BRAINIEST

Anettt [7]

Answer:

d) XY > RS

Step-by-step explanation:

When comparing triangles, the angle opposite to the side in question determines the length. In this case 99 is greater than 75. Since XY is the side opposite to 99, it is the larger side

5 0

3 years ago