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MrRissso [65]
3 years ago
7

What is the value of X

Mathematics
1 answer:
Minchanka [31]3 years ago
5 0

Answer:

1

Step-by-step explanation:

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you can spend at most $20 on tomatoes and red peppers for a soup. tomatoes cost $2.50 per pound and red peppers cost $4 per poun
Ber [7]

<u>Answer-</u>

\boxed{\boxed{2.50x+4y\leq 20}}

<u>Solution-</u>

The total money that you have or maximum amount that you can spend = $20

Let's assume,

x = Number of tomatoes bought

y = Number of red peppers bought

Price of tomatoes per pound = $2.50

Price of red peppers per pound = $4

Hence,

Total cost of tomatoes = $2.5x

Total cost of red peppers = $4y

As you can spend at most (any amount less than or equal to) $20, so

2.5x+4y\leq 20  

Taking a point as origin (0, 0) and then putting it in the equation,

\Rightarrow 2.5(0)+4(0)\leq 20\\\\\Rightarrow 0\leq 20

As this satisfies, so the shaded region will be towards that point i.e origin

From the graph, the two solutions that are on the boundary line are (8, 0), (5, 0)

6 0
2 years ago
What is the slope-intercept form of the following equation?
spin [16.1K]
Y=-.5x+3
Explanation: Move the x to the other side by subtracting it from both sides, you end up with 10y=30-5x then you divide 10 from both sides and you end up with y=-.5x+3
5 0
2 years ago
Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers
Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the x^2 coefficient is 1, i.e. the equation is written like x^2+bx+c=0, then you can say the following about the coefficients b and c:

  • b is the opposite of the sum of the roots
  • c is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

  • 4+(-2) = 4-2 = 2 \implies b = -2
  • 4 \cdot (-2) = -8 \implies c = -8

So, the equation is x^2-2x-8=0

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

  • \dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}
  • \dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}

And so the equation is

x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0

In order to have integer coefficients, you can multiply both sides of the equation by 8:

8x^2 - 10 + 3 = 0

5 0
3 years ago
75 POINTS ASAP HELP
katrin2010 [14]

Answer:

It is called the constant ratio.

3 0
3 years ago
Read 2 more answers
A submarine changes its position by −7 meters every second. What is the change in the submarine's position after 300 seconds?
Hoochie [10]
If you take -7*300 is should equal  -2100
5 0
3 years ago
Read 2 more answers
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