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vlabodo [156]
3 years ago
10

A grandmother says her grandson is two years older than her granddaughter and that together, they are at least 12 years old. How

old are her grandson and granddaughter?
Mathematics
1 answer:
ivanzaharov [21]3 years ago
4 0

The grandson is at least 7 years old and the granddaughter is at least 5 years old.

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THANK YOU (PLEASE HELP) <3 C: TYSMMMM PLZZZ Write an equation of a parabola that is wider than the parent function, reflects
My name is Ann [436]

Answer:

y=-2x^2-4

Step-by-step explanation:

The parabola is wider than it's parent function, y = x^2. Therefore the coefficient, of x^2 (when you refer to quadratic equations it's a) should be greater than 1. Let's take 2.

y = 2x^2

Now it is reflected across the x-axis, so the equation turns to y = -2x^2. The vertex is shifted down 4. Note that it is shifted down, along the y-axis. This makes 'c' (again quadratic equations) -4.

Final Equation: y=-2x^2-4

3 0
2 years ago
F left parenthesis x right parenthesis equals 9 x cubed plus 2 x squared minus 5 x plus 4 and g left parenthesis x right parenth
Jet001 [13]
The answer is 2x(2x²+x+1).

When we subtract polynomials we combine like terms:
(9x³+2x²-5x+4)-(5x³-7x+4)

9x³-5x³=4x³
2x²- 0 = 2x²
-5x--7x=-5x+7x=2x
4-4=0

This gives us 
4x³+2x²+2x

Each of these is divisible by 2, and each has an x, so we factor those out:
2x(                        )

4x³/2x = 2x²:
2x(2x²                   )

2x²/2x=x:
2x(2x²+x               )

2x/2x = 1:
2x(2x²+x+1)
3 0
3 years ago
How can you do this question!!!??? i need help immediately!!!
slega [8]

Answer:

i think its 5, use the magic numbers of pythagoras theorem to help u it might not be correct, use at ur own risk

6 0
3 years ago
A number tripled and 6 is 24
boyakko [2]

Answer:

The number is 6

Step-by-step explanation:

Given:

A number tripled and 6 is 24

To Find:

The Number = ?

Solution:

Let the number be x

The question states that the number is tripled. so lets multiply the number by 3, We get

3x

Then

3x + 6 = 24

On solving the equation we get

3x = 24 -6

3x = 18

x = \frac{18}{3}

x = 6

7 0
3 years ago
Simplify: 2(4x + 8)<br> (X)<br> /h<br> X<br> X
jasenka [17]

Answer:

x = -2

Step-by-step explanation:

2(4x+8)

= 8x+16

8x+16 = 0

-16 -16

8x = -16 (do -16÷8 & get)

x = -2

8 0
3 years ago
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