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Nataly [62]
3 years ago
15

Help me with question pls i have 10 min timer .A farmer plants corn in 1/4 of his field he plants white corn 3/5 of the corn sec

tion of his field what fraction of the whole field is planted with white corn?? . One of these has the answer .14/20 6/14 3/20 3/14
Mathematics
1 answer:
Tema [17]3 years ago
8 0

Answer:

3/20

Step-by-step explanation:

3/5*1/4=3/20

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9/16 = x/12<br>x-3/18 = 12/9<br>7/11 = 18/x+1<br>3x-4/14 = 9/10<br>Simplify​
hjlf

Answer:

Step-by-step explanation:

9/16=x/12

cross product

16x=9*12

16x=108

x=108/16

simplify

x=27/4

---------------

x-3/18=12/9

x=12/9+3/18

x=24/18+3/18

x=27/18

x=3/2

--------------------

7/11=18/x+1

18/x=7/11-1

18/x=7/11-11/11

18/x=-4/11

x=18/(-4/11)=(18/1)(-11/4)=-198/4=-99/2

x=-99/2

4 0
3 years ago
How do similar right triangles lead to the definitions of the trigonometric ratios?
zheka24 [161]
The ratio of two sides of one right triangle is the same of the corresponding sides of any its similar triangles.

Call a, b, c the sides of a right triangle and A, B, C the sides of any of its similar triangles.

Then a/b  = A/B, which means that this ratio is a constant.

The same for a/c = A/C, and b/c = B/C.

Even, the same is true for the inverses: b/a = B/A; c/b = C/B, and d/a = C/A.

Then, you can define a function for every one of these ratios. Those functions are the trigonometric functions.


 
6 0
3 years ago
9. What's the area of the above figure, which has sides of length 6 and 8? A. 48 B. 42 C. 14 D. 28 (its a rectangle)
Reika [66]
A=length x width
6x8 =48
A
4 0
3 years ago
Read 2 more answers
Multi step equation -3x-2=-1
Shkiper50 [21]

x = -1/3

Explanation:

-3x-2=-1

collect like terms by adding +2 to both sides:

-3x -2 + 2 = -1 + 2

-3x = 1

Divide both sides by the coefficient of x:

coefficient of x = -3

-3x/-3 = 1/-3

x = -1/3

8 0
1 year ago
The vertices of quadrilateral PQRS are P(4, 5), Q(6, 6), R(9, 4), and S(7, 2). Write a paragraph proof to determine whether quad
Svetlanka [38]
The vector PQ is Q-P = (2, 1). The vector SR is R-S = (2, 2). One is not a multiple of the others, so the vectors are not parallel. In a parallelogram, these vectors would be identical. PQRS is not a parallelogram.

5 0
3 years ago
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