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luda_lava [24]
3 years ago
15

I need 2 more marks plz​

Mathematics
1 answer:
Licemer1 [7]3 years ago
5 0

Answer:

Your answer is correct

Step-by-step explanation:

You can do this easier by doing

12.70 - (7 × 1.3) = 3.6

3.6 ÷ 2

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The baby nursery has 2 nurses for every 10 babies. What is the nurse to baby ratio?
Artist 52 [7]

Answer

1:5

no of nurses: no of babies

2:10

step by step explanation :

divide both sides by the smallest i.e 2

you get

1:5

8 0
3 years ago
Which ordered pairs are solutions to the inequality 4x + y>-6
Dafna1 [17]

Answer:

(-1,-1)(2,0)(4,-20)

Step-by-step explanation:

(-1,-1) = -5 › -6 √

(0,-9) = -9 › -6 ×

(2,0) = 8 › -6 √

(-3,6) = -6 › -6 ×

(4,20) = -4 › -6 √

3 0
3 years ago
What is the value of 2x^2 - 4x + 5 when x is -3
IgorLugansk [536]

Answer:

35

Step-by-step explanation:

2x9+12+5=35

4 0
2 years ago
Find all solutions to the equation. 2sin theta - squareroot 3 = 0
Xelga [282]

Answer:

\theta =2mπ + π/3 for m ∈ Z.

Step-by-step explanation:

Given the equation 2sin\theta - \sqrt{3} = 0, we are to find all the values of \theta that satisfies the equation.

2sin\theta - \sqrt{3} = 0\\\\2sin\theta = \sqrt{3} \\\\sin\theta = \sqrt{3}/2 \\\\\theta = sin{-1} \sqrt{3}/2 \\\\\theta = 60^0

General solution for sin\theta is \theta = nπ + (-1)ⁿ ∝, where n ∈ Z.

If n is an even number say 2m, then \theta = (2m)π + ∝ where ∝ = 60° = π/3

Hence, the general solution to the equation will be \theta = 2mπ + π/3 for m ∈ Z.

8 0
3 years ago
Factoring ! Please help!
ankoles [38]

Answer:

Step-by-step explanation:

hello :

12x^3-9x²-4x+3= 3x²(4x-3)-(4x-3)

6 0
3 years ago
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