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Westkost [7]
3 years ago
11

Round 220 to the nearest 100

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
5 0
220\to\boxed{200}
blagie [28]3 years ago
4 0
220 rounds to 200 because the number that matters is the number to the right of the hundreths place, the tenths. In the tenths place is 2, which is under 5, so we don't round up, we stay at 200, not 300
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RoseWind [281]
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7 0
2 years ago
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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

so

For y=0

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

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

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

in this problem we have

x^{2}-8x+15=0  

so

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

substitute in the formula

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

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

so

x=3, x=5

therefore

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

4 0
2 years ago
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Step-by-step explanation:

8 0
3 years ago
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Keith_Richards [23]

Answer:

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Step-by-step explanation:

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g(19) = 75

Best of Luck!

6 0
3 years ago
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