Sum of 2 numbers is 150. The ratio is 3:2. What are the numbers

Answers

Answer 1

Answer: the numbers are 90 and 60. this is because with a ratio 3:2 and multiplying each # in our ratio by 30 gets us the numbers 90:60......

and adding 90 + 60 will get us 150

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On a string of lights,for every 6 green lights, there are 4 white.If there are 30 green lights, how many white lights are there?

Answers

I got the answer by setting up a little table of 6 and 4 and got 24.
Hope this is helpful. :)

6 green = 4 white

There are five 6s in 30

So 5x4= 20

So 30 green 20 white

80 is 1/10 of what number

Answers

80 is 1/10 of 800

Because 1/10 x 800 = 80

A quadratic function has zeros of -2 and 14. Find its axis of symmetry.

Answers

Answer:

The axis of symmetry is 6

Step-by-step explanation:

The axis of symmetry is halfway between the zeros

Add the zeros and divide by 2

(-2+14)/2 = (12/2) =6

The axis of symmetry is 6

Which two numbers add up to 8 and multiply to negative 9?

Answers

facotr -9
add factors
-1+9=8
correct

If h(x)=4X^2-16 were shifted 5units to the right and 2 down, what would the new equation be

Answers

For this case we have that by definition of function transformation is fulfilled:

Let h> 0:

To graph $y = f (x-h)$ , the graph moves h units to the right.

To graph $y = f (x + h),$ the graph moves h units to the left.

Let k> 0:

To graph $y = f (x) + k$ , the graph k units is moved up.

To graph $y = f (x) -k$ , the graph moves k units down.

So, we have the following function:

$h (x) = 4x ^ 2-16$

5 units on the right:

$h (x) = 4 (x-5) ^ 2-16$

2 units down

$h (x) = 4 (x-5) ^ 2-16-2\nh (x) = 4 (x-5) ^ 2-18$

Answer:

$h (x) = 4 (x-5) ^ 2-18$

Answer:

4(x - 5)^2 - 18.

Step-by-step explanation:

For a move 5 to the right f(x) ----> f(x - 5).

For a move of 2 down f(x - 5) ----> f(x - 5) - 2.

Amy raised £n for charity. Chris raised £18 more than Amy.The mean amount raised by the two of them is £45. Work out how much money each one of them raised..
It's one of my Maths homework questions , please help me , thank you!

Answers

The amount of money raised by Amy is £36 and by Chris is £54.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Amy raised £n for charity. Chris raised £18 more than Amy. The mean amount raised by the two of them is £45.

Amy = £n

Chris = £n + 18

Mean = ( £n + £n +18 ) / 2

45 x 2 = 2£n + 18

n = £36

Chris = £n + 18

Chris = 36 + 18

Chris = £54

Therefore, Amy and Chris each raised £36 and $54 respectively.

To know more about an expression follow

brainly.com/question/29406213

#SPJ2

$Amy=n$
$Chris=n+18$

Mean:
$45= ((n)+(n+18))/(2)$
So, $45=n+9$
Therefore, $n=36$

$Amy=n=36pounds$
$Chris=n+18=54pounds$

Hope I helped :)

(Sorry I was late for you other question)

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