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2 years ago

Chicken cuties are on sale for 3.48 per pound How much will it cost to but 3.5 pounds

1 answer:

kramer2 years ago

5 0

3.48 for 1 pound

You can put it in comparison,

3.48 / 1 = x / 3.5

And then cross-multiply it,
1x = 3.48 x 3.5
x = 12.18

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What are the coordinates of the x-intercepts of the parabola y = x² - 8x + 15?

tamaranim1 [39]

Answer:

(3, 0) and (5, 0)

Step-by-step explanation:

we have

$y=x^{2}-8x+15$

we know that

The x-intercepts are the values of x when the value of y is equal to zero

For y=0

$x^{2}-8x+15=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-8x+15=0$

$a=1\\b=-8\\c=15$

substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(1)(15)}} {2(1)}$

$x=\frac{8\pm\sqrt{4}} {2}$

$x=\frac{8\pm2} {2}$

$x=\frac{8+2} {2}=5$

$x=\frac{8-2} {2}=3$

x=3, x=5

therefore

The x-intercepts are (3,0) and (5,0)

4 0

2 years ago

5x² + 3y when x =-2 and y = 10

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

When a number is next to a variable, such as 5x, this means you will multiply them(five times x). With x being -2, we will multiply -2 x -2 = 4. the exponent tells you how many times to multiply a number by itself. If the exponent was 5, we would multiply 2 by itself 5 times to get 10. Since we got 4 for our answer, we will multiply that by since it was an exponent and we multiply it. 4 x 5 = 20. Since we know that we multiply numbers next to variables, we will multiply 3y or 3(10). 3 x 10 = 30. Add this to 20 to get your answer. 20 + 30 = 50.

Hope this helps :)

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3 years ago

12-y=2x-5 in slope-intercept form

Gemiola [76]

Answer: y = -2x + 7

Step-by-step explanation:

Slope intercept form is the same as solving for y in the equation .

So solve for y and it will be in slope intercept form.

12 - y = 2x + 5 Subtract 12 from both sides

-12 -12

-y = 2x -7 Now divide both sides by -1

y = -2x + 7

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3 years ago

PLEASE ANSWER QUICK AS POSSIBLE WILL NOMINATE CASH PRIZE UP TO $1000 AND BRAINLIEST!!!!

Igoryamba

Answer:0 and 5

Step-by-step explanation:i looked at the chart and 0 and 5 are the ones with the least amount of left handed.

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3 years ago

I need help! 6th grade math! ASAP! Only 1 and 3. 10 Points each!

jonny [76]

Answer:

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2 years ago

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