2 years ago

What is a appropriate metric unit for the mass of a typical house cat

1 answer:

4 0

Kilogram is the correct answer, milligram and gram are both two measurements that are too small to weigh anything the size of a cat or larger. Also meter is a unit of distance measurement

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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)

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2 years ago

9. Solve for x.<br> 10 X<br> 5 (root) 3

Sedaia [141]

Answer:

Step-by-step explanation:

100= 75 + x2

x=5

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2 years ago

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Rzqust [24]

Answer:

x y

1 1

5 17

6 21

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Step-by-step explanation:

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2 years ago

you are baking cookies for your class. there are 23 students in your class and you have already baked 12 cookies. Write and solv

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12 + 2x=23 is my guess

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Mrs. Dimitry purchased fish for dinner. She bought 6 pounds of fish for her party. If each person will eat 1/3 of a pound, how m

PtichkaEL [24]

18
1/3+1/3+1/3=1 pound
everyone gets 1/3

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3 years ago