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3 years ago

Please help me with this problem

Mathematics

1 answer:

Paladinen [302]3 years ago

8 0

Answer:

The y-intercept of both functions is y=0

Step-by-step explanation:

The line on the graph intercepts at 0, and the function is equivalent to $\frac{2}{3}$ x+0. Hope this helps!

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Mary and Roberto go to the movies. They buy a large popcorn for $8.50, and two medium sodas for $4.25. How much did they spend a

alukav5142 [94]

Answer:

$19.15

Step-by-step explanation:

Equation 1: 8.50+4.25+4.25= 17.00 (price of the popcorn and drinks)

Equation 2: 17.00/7.89= 2.15 (how to find how much the tax is)

Solve: 17.00+2.15=19.15 (add the tax to how much the popcorn and drinks were)

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3 years ago

a store owner paid $15 for a book. she marked up the price of the book by 40% to determine its selling price. what is the sellin

Hunter-Best [27]

Answer:

$21

Step-by-step explanation:

40% of 15 is 6, and 15 + 6 is 21

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2 years ago

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How many variables are displayed in a scatterplot?

vampirchik [111]

One along the X-axis and one along the y- axis

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3 years ago

Solve x2 = 12x – 15 by completing the square. Which is the solution set of the equation? Solve x2 = 12x – 15 by completing the s

Svetlanka [38]

Answer: $6+\sqrt{21}\ \text{and}\ 6-\sqrt{21}$

Step-by-step explanation:

Given

Quadratic equation is

$x^2-12x+15=0$

Solving by completing the square method

$\Rightarrow x^2-2\cdot 6\cdot x+15=0\\\text{add and subtract 36}\\\Rightarrow x^2-2\cdot 6\cdot x+15+36-36=0\\\Rightarrow x^2-2\cdot 6\cdot x+36+(-36+15)=0\\\text{using}\ (a-b)^2=a^2+b^2-2ab\\\Rightarrow (x-6)^2-21=0\\\Rightarrow (x-6)^2=21\\\Rightarrow x-6=\pm \sqrt{21}\\\Rightarrow x=6\pm \sqrt{21}$

The solution set of the equation is $6+\sqrt{21}\ \text{and}\ 6-\sqrt{21}$

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3 years ago

Read 2 more answers

HELP I NEED HELP ASAP

Volgvan

the answer is b

X is a bigger number and the difference between x and y is 7, so x-y=7. And it says that the sum of two numbers is 31 so x+y=31

7 0

3 years ago