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Lorico [155]
3 years ago
15

Somebody helppppp pleassse

Mathematics
1 answer:
Ket [755]3 years ago
6 0
The total measure of all arcs of a circle is 360°. Short arc DE is 90°, so long arc DFE is 360°-90° = 270°.

mEFD = 270°
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PLEASE HELP ME I BEG IMMA FAILLLLLLLLLLLLLLLL
Ber [7]

Answer:

78

Step-by-step explanation:

180-90-12=78

7 0
2 years ago
Read 2 more answers
A rectangular solid has sides of 7 cm + 9 cm + 11 cm what<br> is its surface area
alina1380 [7]

Your answer would be: <em>693.</em>

Explanation:

When finding the area in a problem use <em>L×W×H</em>.

That being said, you now have to multiply the <em>L×W×H</em> (7x9x11)

7 × 9 × 11 = <em>693</em>

So the answer would be <em>693</em> because, if you are finding an area you use <em>L×W×H</em> to find your area.


6 0
3 years ago
Read 2 more answers
Pls help! What's the answer?
Ivan

Answer:

The answer is b = 8a

Step-by-step explanation:

As, 0 x 8 = 0

2 1/2 = 5/2, 5/2 x 8 = 20

5 x 8 = 40

7 1/2 = 15/2, 15/2 x 8 = 60

10 x 8 = 80

13 1/2 = 27/2, 27/2 x 8 = 108

So all variables "a" when multiplied by 8 will give us the value in "b"

So b = 8a

4 0
2 years ago
Regina claims that gold has a mass almost 20 times more than water.
Butoxors [25]

The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope. (Atomic mass is also referred to as atomic weight, but the term "mass" is more accurate.)

7 0
3 years ago
Name an equivalent ratio for with a denominator of 8.
const2013 [10]

Answer:

(A)

Step-by-step explanation:

4+4=8,4/8 is an equalivent ratio. So the best answer would be A!

Hope this helps:)!

6 0
3 years ago
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