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VashaNatasha [74]
2 years ago
15

Given the system of equations, what is the solution? 3x-2y+10=0 5y=4x+8

Mathematics
1 answer:
masha68 [24]2 years ago
8 0
X = -34/7
Y = -16/7
I need to add words to get to 20 characters
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Janet can read 3.6 pages of a book in a minute. If she read for 2.71 minutes. How much would have she had read
Aliun [14]

Answer:

9.76 pages

Step-by-step explanation:

multiply 3.6 times 2 to get 7.2. Then multiply 3.6 times .71 to get 2.56 then add 7.2 and 2.56 to get <u>9.76</u> as your answer.

8 0
3 years ago
What is the sum of 1.15 times 0.15?
Makovka662 [10]

Answer:

0.1725

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
3
atroni [7]
I’m not sure what the answer is , hopefully some ine can help you 66
6 0
3 years ago
S either of them correct? Explain your reasoning.
valentinak56 [21]
Hey there! :)

You have to use the Pythagorean Theorem ⇒ a² + b² = c²

a = 5
5² = 5 × 5 = 25

b = 13
13² = 13 × 13 = 169

169 + 25 = 194

√194 = 13.93

That means McKenzie is correct and Cara is wrong ; c = 13.93

Hope this helps :)


7 0
3 years ago
How do you do this question?
Sonja [21]

Answer:

9.29

Step-by-step explanation:

S₄ is the area using Simpson's rule and 4 intervals.

Simpson's rule can be calculated as:

Sᵢ = Δx/3 (f(x₀) + 4f(x₁) + 2f(x₂) + 4f(x₃) + ... + 4f(xᵢ₋₂) + 2f(xᵢ₋₁) + f(xᵢ))

Or, Simpson's rule can be calculated as a combination of midpoint and trapezoid sums:

S₂ᵢ = (2Mᵢ + Tᵢ) / 3

Using the first method:

Δx = (4−0)/4 = 1

S₄ = 1/3 (1.00 + 4(1.41) + 2(2.24) + 4(3.16) + 4.12)

S₄ = 1/3 (27.88)

S₄ ≈ 9.29

Using the second method:

S₄ = (2M₂ + T₂) / 3

The midpoint area for 2 intervals is:

M₂ = (2) (1.41) + (2) (3.16) = 9.14

The trapezoid area for 2 intervals is:

T₂ = ½ (1.00 + 2.24) (2) + ½ (2.24 + 4.12) (2) = 9.60

Therefore:

S₄ = (2 (9.14) + 9.60) / 3

S₄ ≈ 9.29

3 0
3 years ago
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