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nadezda [96]
4 years ago
5

Irina has 3 hours to finish her final math exam. Keeping in mind that there are 60 minutes in 1 hour, how much time, on average,

does she have for each question if there are 45 questions on the exam?
Mathematics
2 answers:
svetoff [14.1K]4 years ago
6 0

Answer:

<h2>the answer:<u><em>4</em></u></h2>

i hope this helps

Andru [333]4 years ago
4 0
She should spend an average of 4 minutes on each question

Hope this helps :)
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Combine like terms: -21a+16a
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Answer: -21a + 16a = -5
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4 years ago
What is f(7) for function f(x)=2x - 5
Kobotan [32]

Because in the function f(x) all you do is plug in the value that is given...7

2*7-5=14-5=9

Your answer is 9.

8 0
4 years ago
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Christine must buy at least $45$ fluid ounces of milk at the store. The store only sells milk in $200$ milliliter bottles. If th
amm1812

Answer:

7 bottles

Step-by-step explanation:

Christie needs to buy at least 45 fluid ounces of milk at the store.

33.8 fluid ounces=1 Liter

1 fluid ounce = \dfrac{1}{33.8} Liters

45 fluid ounces = \dfrac{1}{33.8} \times 45 =1.3313$ Liters

Now:

1 Liter =1000 Milliliter

Therefore:

1.3313 Liter= 1000 X 1.3313 Milliliters

1.3313 Liter= 1331.3 Milliliter

Therefore, the smallest number of 200 milliliter bottles Christie must buy is:

=\dfrac{1331.3}{200}=6.7 \\\approx 7$ bottles

3 0
3 years ago
Read 2 more answers
Solve the triangle.
Reika [66]

Answer:

cute scalene triangle.

Sides: a = 1   b = 2   c = 1.906

Area: T = 0.94

Perimeter: p = 4.906

Semiperimeter: s = 2.453

Angle ∠ A = α = 29.543° = 29°32'36″ = 0.516 rad

Angle ∠ B = β = 80.457° = 80°27'24″ = 1.404 rad

Angle ∠ C = γ = 70° = 1.222 rad

Height: ha = 1.879

Height: hb = 0.94

Height: hc = 0.986

Median: ma = 1.888

Median: mb = 1.147

Median: mc = 1.262

Inradius: r = 0.383

Circumradius: R = 1.014

Vertex coordinates: A[1.906; 0] B[0; 0] C[0.166; 0.986]

Centroid: CG[0.691; 0.329]

Coordinates of the circumscribed circle: U[0.953; 0.347]

Coordinates of the inscribed circle: I[0.453; 0.383]

Exterior (or external, outer) angles of the triangle:

∠ A' = α' = 150.457° = 150°27'24″ = 0.516 rad

∠ B' = β' = 99.543° = 99°32'36″ = 1.404 rad

∠ C' = γ' = 110° = 1.222 rad

Step-by-step explanation:

7 0
3 years ago
Plz help me on number 4
jekas [21]

9514 1404 393

Answer:

  6 : 5

Step-by-step explanation:

The diagram shows you that the boxes have a length (L) to width (W) ratio such that ...

  3L = <em>l</em> = 4W

  L/W = 4/3

Suppose we call the width of the box 3 units, then its length is 4 units, and we have the crate dimensions ...

  <em>l</em> = 4(3) = 3(4) = 12

  <em>w</em> = 3+3+4 = 10

Then the ratio <em>l </em>: <em>w</em> is 12 : 10 = 6 : 5.

8 0
3 years ago
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