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2 years ago

You get extra points if you get this right

Mathematics

1 answer:

Zanzabum2 years ago

6 0

Answer:

124

Step-by-step explanation:

Hope it helps!

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Devon is 13 years old. this is 4 years younger than his older brother, Todd. Write and solve a subtraction equation to find Todd

abruzzese [7]

Answer:

9 yrs old

Step-by-step explanation:

13-4=9

5 0

3 years ago

Read 2 more answers

What is the measure of _M?

grandymaker [24]

Answer: I think I cn help bt nt sure

Step-by-step explanation:

X° + 52° + 78° = 180°

X° + 130° = 180°

X° + 130° - 130° = 180° - 130 °

X° = 50°

M is <50°

3 0

2 years ago

I need help bruv. For the function y=x^2 - 5x - 6 .

lara [203]

Answer:

a. Vertex = (2.5,-12.25)

b. y-intercept = (0,-6)

c. x-intercept = (6,0) ; (-1,0)

Step-by-step explanation:

Your equation is written as:

$y = ax^{2} + bx +c$

The easiest way to find the vertex is writing the equation this way:

$y = a(x-h)^{2}+k$

Being the vertex (h,k)

So first complete the square

$y = x^{2} -5x -6 \\y = x^{2} - 2(2.5x) -6 \\y = x^{2} - 2(2.5x) +2.5^{2} - 2.5^{2} -6 \\y = (x^{2} -2(2.5x) + 2.5^{2}) -6.25 - 6 \\y = (x-2.5)^{2} -12.25$

Vertex : (2.5,-12.25)

To find the y-intercept you need to replace the equation when x = 0 and get y

$y = (0)^{2} - 5(0) -6\\y = - 6$

To find the x-intercept you need to replace the equation when y = 0 and get x

$0 = x^{2} - 5x -6 \\0 = (x-6)(x+1)\\x = 6\\x = -1$

4 0

3 years ago

Stefan won 54 lollipops playing hoops at the county fair. At school he gave three to every student in his math class. He only ha

Natalka [10]

54 - ? = 9
? = 45
45 divide 3 is 15
15 people

3 0

2 years ago

Tom has a piece of rope that is 105 feet long. He wants to cut the rope into 5 equal pieces. How long will each piece be?

goblinko [34]

Hey there!

$\large\boxed{21 ft}$

If he is going to cut it into 5 equal pieces then we need to divide 105 by 5.

105 ÷ 5 = 21

So, each piece will be 21 feet long.

Hope this helps!

6 0

3 years ago