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Katena32 [7]
3 years ago
8

What is 49% of 3120? What is 49% of 2130?

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

We can make this expression to find out what 49% of 3120 and 2130:

49% * 3120

49/100 * 3120

152880/100

1528.8

49% of 2130

49/100 * 2130

104370/100

1043.7

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Please help me ASAP thank you
DaniilM [7]

Answer:

x=17°

Step-by-step explanation:

163+x=180 (L.P)

x=180-163

x=17°

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3 years ago
What do you notice about proportional relationships and linear<br> relationships
Contact [7]

Answer:

there are different

Step-by-step explanation:

8 0
3 years ago
Can anyone help me please?
Nadya [2.5K]

Answer:

s ≤ -18

Step-by-step explanation:

Multiply both sides of the inequality by -3. Since the multiplier is negative, you need to reverse the comparison symbol.

(-3)(-s/3) ≤ (-3)(6)

s ≤ -18

_____

If you multiply by a positive number, you don't need to reverse the symbol. Hence multiplying by 3 gives ...

-s ≥ 18

You can now add s to both sides:

0 ≥ 18 + s

and subtract 18 from both sides:

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Of course, this is the same relationship as ...

s ≤ -18

6 0
3 years ago
A slope-intercept equation of the line whose graph is perpendicular to
omeli [17]

Step-by-step explanation:

let eqn be y = mx + b.

2x + 9y = 8

9y = -2x + 8

y = -2/9 x + 8/9

since the lines are perpendicular, product of the slope of the two lines = -1.

hence,

m x -2/9 = -1

m = 9/2

sub (0, -3):

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therefore equation is: y = 9/2x - 3

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

6 0
2 years ago
A class contains 10 sophomores, 15 juniors, and 20 seniors. A committee of 5 students is to be chosen. Each student is equally l
Anna35 [415]

Answer:

P(A) = 0.1620 , P(A|B) = 0.0707

Step-by-step explanation:

Total people = 10 + 15 + 20 = 45 , Sophomores = 10, Juniors = 15 , Seniors = 20

P(A) , exactly 3 juniors selected = (15 c 3) (30 c 2) / (45 c 5) = (455 x 435) / 1221759 = 0.1620  

P (B) , exactly 2 seniors selected = (20 c 2) (25 c 3) / (45 c 5) = (190 x 2300)/ 1221759 = 0.3576

P(A|B), exactly 3 juniors & exactly 2 seniors selected = P (A∩B) / P (B)

(15 c 3) (20 c 2) / (45 c 5) = (455 x 190) / 1221759 = 0.0707

8 0
3 years ago
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