2 years ago

I don’t know how to do the hole page

Mathematics

1 answer:

FrozenT [24]2 years ago

8 0

#7
20%•$300
$60
300-60
240
Hope this helps!!

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The arch of a bridge forms the upper half of an ellipse. The arch is 6 meters above the 20-meter-wide river. Write an equation f

aksik [14]

Answer:

$\frac{x^2}{36} + \frac{y^2}{100} = 1$

Step-by-step explanation:

Required

The equation of the ellipse

This is calculated as:

$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$

Where:

$b =6$ ---- height

$a = 0.5 * 20 =10$ --- width

So:

$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$

$\frac{x^2}{6^2} + \frac{y^2}{10^2} = 1$

$\frac{x^2}{36} + \frac{y^2}{100} = 1$

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2 years ago

2: how many years are in 210 months? Show work.

-BARSIC- [3]

2: 17.5 years. Work; 12 months in one year, 210 months divided by 12 months= 17.5 years.

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2 years ago

What is the answer? -9=3+6x

HACTEHA [7]

Use inverse operations and subtract 3 from 9 which is -12 then divide -12 by 6 which is -2
-9=3+6x
-3 -3
-12=6x
-12/6=6x/6
-2=x

6 0

2 years ago

Step 2 - Fill in the missing number:<br> 2<br> 1 -3 -10 24<br> a<br> a =

Sunny_sXe [5.5K]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

What is the slope? 18,4.5/20,5

jarptica [38.1K]

Answer:

m = 0.5 / 2 = 0.25

Step-by-step explanation:

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