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Citrus2011 [14]
3 years ago
13

900=400+789-680COS A

Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0

Answer:

509cosa

Step-by-step explanation:

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I forgot how to do this. Can anyone help me please
Svetach [21]

Answer:

34

Step-by-step explanation:

180 since it is supplementary

then minus 100 which is 80 then minus 12 which is 68 then half that which is 34

7 0
2 years ago
Read 2 more answers
Is y=y+8 even, odd, or neither
SIZIF [17.4K]

The expression y = y + 8 does neither represent an odd number nor an even number.

<h3>Does represent a given equation an even or odd number or neither?</h3>

In this problem we must check if a given algebraic equation represents an even number or an odd number or neither by using algebraic means. Even numbers are integers, whose last digit is 0, 2, 4, 6 or 8, whereas odd numbers are integers, whose last digit is 1, 3, 5, 7 or 9. Now we proceed to  check the expression:

y = y + 8                     Given

y + (- y) = 8                 Compatibility with addition / Existence of additive inverse / Modulative property

0 = 8                           Existence of additive inverse / Modulative property / Result

The expression y = y + 8 does neither represent an odd number nor an even number.

To learn more on even numbers: brainly.com/question/2289438

#SPJ1

3 0
1 year ago
I WILL SELECT A BRAINIEST,LIKE AND GIVE 20 POINTS TO THE FIRST PERSON TO AWNSER MY QUESTIONS.
Cerrena [4.2K]
23.) 21 hrs at $ 11 per hr = (21 * 11) = 231....and u received 91% of ur wages...
       0.91 (231) = 210.21 
       fraction u got : 210.21 / 231 = 0.91 = 91/100 <== I am not 100% sure on 
       this. I might be making this harder then it looks....u r going to get 210.31 take home pay.....or 91% which in fraction form is 91/100

26B.  17/10 = 85/ x
          cross multiply
          17x = 850
          x = 850/17
          x = 50....50 liters of oil <==

26C. 12:9...added = 21

         12/21(4200) = 50400/21 = 2400 <== higher cost receives 2400
          9/21(4200) = 37800/21 = 1800


5 0
3 years ago
What is the measure of AC?
Jlenok [28]

Answer:

5 blocks

Step-by-step explanation:

Since the triangle is right use Pythagoras' identity to solve for AC

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

AC² = AB² + BC² ← substitute values

AC² = 3² + 4² = 9 + 16 = 25 ( take the square root of both sides )

AC = \sqrt{25} = 5

8 0
3 years ago
A right circular cylinder has a height of 20 1/2 ft and a diameter 1 1/5 times its height.
AfilCa [17]
  • Height=h=20-1/2=20.5ft
  • Diameter=1-1/5=1.2
  • Radius=1.2/2=0.6ft

\\ \sf\longmapsto V=\pi r^2h

\\ \sf\longmapsto V=3.14(0.6)^2(20.5)

\\ \sf\longmapsto V=3.14(0.36)(20.5)

\\ \sf\longmapsto V=23.17ft^3

4 0
3 years ago
Read 2 more answers
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