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Anna35 [415]
2 years ago
9

Josh and Lucy share some money in the ratio of 3 : 7 they share 84 in total how much money does Josh receive

Mathematics
1 answer:
Ann [662]2 years ago
7 0
27.30 is the answer
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I need some one to help me with this
Ahat [919]

y = 6x  - 2
You can see that each time x increases by 1, y increases by 5. This means that the coefficient of x is 5 (if you graphed it, the slope would be 5). To find what value to add at the end, you can look at what y is when x equals 0. In this case, that is -2 (on a graph, -2 would be the y-intercept).
6 0
3 years ago
Read 2 more answers
The cost to produce a product is modeled by the function f(x) = 5x2 − 70x 258, where x is the number of products produced. compl
ad-work [718]

The minimum cost to produce the product is $7.

What are functions?

  • A function from a set X to a set Y allocates exactly one element of Y to each element of X.

To determine the minimum cost:

We have to determine the minimum cost of producing this product.

Since f(x) = 5x^{2} -70x+258.

Now, consider the equation 5x^{2} -70x+258= 0.

Dividing the above equation by 5, we get

x^{2} -70x/5+258/5=0\\x^{2} -14x+258/5=0

Now, considering the coefficient of 'x', dividing it by '2' and then adding and subtracting the square of the number which we got after dividing.

Since the coefficient of 'x' is 14, and half of 14 is '7'.

So, adding and subtracting from the above equation.

x^{2} -14x+(7)^{2} -(7)^{2}+258/5=0\\x^{2} -14x+49 -49+258/5=0\\(x-7)^{2} -49+258/5=0\\(x-7)^{2} +258-245/5=0\\(x-7)^{2} +13/5=0\\5(x-7)^{2} +13=0

Now, we have to determine the minimum cost to produce the product.

Since f(x) = 5x^{2} -70x+258.

f'(x) = 10x-70

Now, let f'(x)=0

10x-70=0\\10x=70

Therefore, x=7

Now, consider which is greater than 0.

Therefore, x= 7 is the minimum cost.

Know more about functions here:

brainly.com/question/25638609

#SPJ4

5 0
1 year ago
Which of the following statements about EF and EG is true?
Ganezh [65]

Answer:

Your answer is B

Step-by-step explanation:

If you count the units you can see that it is 7 units in length.

7 0
3 years ago
Please help i will give brainliest to first correct answer<br> (2 5/8 +4 8/17 )+( 9/17 +3 3/8 )
Serggg [28]

Answer:

11

Step-by-step explanation:

You don't need the parenthesis, so you get:

2 5/8 + 4 8/17 + 9/17 + 3 3/8

You combine the integer values and get:

9 + 5/8 + 8/17 + 9/17 + 3/8

You combine the fractions with the denom. of 8 and do the same with those with the denom. of 17 and get:

9 + 8/8 + 17/17

You simplify:

9 + 1 + 1 =

11

3 0
3 years ago
Read 2 more answers
Is a negative greater or less than a positive?
QveST [7]

Answer:

Negative will be always less than positive.

Explanation:

think about the number line

numbers on the left side is negative

numbers on the right side is positive

3 0
3 years ago
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