How do I get good grades. I’m failing and need help.

Mathematics

2 answers:

kipiarov [429]3 years ago

7 0

Answer:

Check out Khan Academy, they do videos and step- by- step problems to show you how to do multiple types of problems in many different subjects

Step-by-step explanation:

Inga [223]3 years ago

5 0

Answer:

The main way to help is to study.

Step-by-step explanation:

Figure out what you're struggling on, then look up examples on the internet. This way you can understand it more. If you feel like you need a bit more help after that, then help someone else. You can learn more when you help teach others.

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Ayanna is 3 years older than Brittany. The sum of 3 times Brittany's age and 2 times Ayanna's age is 76. How old are Ayanna and

Alex_Xolod [135]

Ayanna is 17 and Brittany is 14.

To find this, let's write two equations using the given information.

a = b + 3
3b + 2a = 76

Now, just substitute the first equation into the second and solve.

3b + 2(b + 3) = 76
3b + 2b + 6 = 76
5b = 70
b = 14

If Brittany is 14, then Ayanna is 3 years older at 17.

7 0

3 years ago

Find the midpoint of segment AB given. A (-3, 2) and B (3, -2)

Tasya [4]

$\text{The formula of the midpoint of segment AB:}\\\\\left(\dfrac{x_A+x_B}{2};\ \dfrac{y_A+y_B}{2}\right).\\\\\text{We have the points}\ A(-3,\ 2)\ \text{and}\ B(3,\ -2).\ \text{Substitute:}\\\\x=\dfrac{-3+3}{2}=\dfrac{0}{2}=0\\\\y=\dfrac{2+(-2)}{2}=\dfrac{0}{2}=0\\\\Answer:\ \boxed{(0,\ 0)}$