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Viktor [21]
3 years ago
8

Been waiting for half an hour pls help me

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

13.7 cm

Step-by-step explanation:

  1. there are 360° in a circle and in this image, we can see 90°+90°+66.4°=260.4
  2. since we know that 360°-260.4°=99.6°
  3. The angle measure of arc AD is 99.6°

Now that we covered that, we can use the arc length formula in order to find the length of arc AD.

  1. arc length = 2πr(Θ/360°)
  2. 2π(7.9)(99.6°/360°) = 13.7329
  3. rounded to the nearest tenth = 13.7
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Mark read 2 1/2 books last week. This week he read 3 1/3 books. How many more books did Mark read this week and last week?
nikklg [1K]

Answer:

5/6 books

Step-by-step explanation:

We know that Mark read 2 1/2 books last week. This week, he read a bit more with 3 1/3 books.

To find how many more books he read, we must subtract 2 1/2 from 3 1/3:

3 1/3 - 2 1/2

Let's convert these into improper fractions first:

3 1/3 = (3 * 3 + 1) / 3 = 10/3

2 1/2 = (2 * 2 + 1) / 2 = 5/2

Now, we have:

10/3 - 5/2

In order to subtract these, we must find a common denominator. For 2 and 3, the LCM is 6, so we can use that as our common denominator:

10/3 * 2/2 = 20/6

5/2 * 3/3 = 15/6

Finally, we have:

20/6 - 15/6 = (20 - 15) / 6 = 5/6 books

5 0
3 years ago
1.Jessica lost some of her money. She found 3/6 of it. What fraction of her money is still missing ?
notsponge [240]
Hey there!

1.
If Jessica found 3/6 of her money, half of it is still missing.

This is because 3/6 = 1/2, so Jessica also found half of her money and is missing half of it.

2.

16 ounces = 1 pound

16 ounces * 10 pounds = 160 <------

If the baby weighs 10 pounds, he weighs 160 ounces.

Hope this helps you.
Have a great day!
7 0
3 years ago
Read 2 more answers
Meredith's recipe for 2 1/2 dozen cupcakes calls for 3 cups of flour. She only has 1 cup of flour and needs to feed 12 people. C
oee [108]
I am pretty sure the awnser is yes because 2.5 divided by 3 equals .83 repeating which mean for one dozen of cupcakes(12) it would take .84 cups of flour.
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2 years ago
F(x)=6x-3 graph the function in inverse
Digiron [165]

Answer:

See attachment.

Step-by-step explanation:

f(x) = 6x - 3

y = 6x - 2

Switch out x for y.

x = 6y - 2

Solve for y.

x + 2 = 6y

\frac{x+2}{6} = y

Graph.

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3 years ago
Solve for x<br> A=x - y - 5
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