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aleksley [76]
3 years ago
13

FOR BRAINLIEST PLEASE HELP!!!!!!!

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0
I think it's C. drawing a king from a deck
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What is the outliner of 279,593,593,597,599,606,611,613,615,619,
Fynjy0 [20]

Answer:

279 :p

Step-by-step explanation:

6 0
4 years ago
How do you do this question?
madam [21]

Answer:

20

Step-by-step explanation:

A left Riemann sum approximates a definite integral as:

\int\limits^b_a {f(x)} \, dx \approx \sum\limits_{k=1}^{n}f(x_{k}) \Delta x \\where\ \Delta x = \frac{b-a}{n} \ and\ x_{k}=a+\Delta x \times (k-1)

Here, the integral is ∫₀² 9ˣ dx, and the number of subintervals is n = 4.

So Δx = 2/n = 1/2, and x = 2(k−1)/n = (k−1)/2.

Plugging in:

∑₁⁴ 9^((k−1)/2) (1/2)

1/2 ∑₁⁴ 9^((k−1)/2)

1/2 (9^((1−1)/2) + 9^((2−1)/2) + 9^((3−1)/2) + 9^((4−1)/2))

1/2 (9^(0) + 9^(1/2) + 9^(1) + 9^(3/2))

1/2 (1 + 3 + 9 + 27)

20

8 0
3 years ago
What is the correlation coefficient r for the data set?
Llana [10]
The correlation coefficient is -0.96.

Plotting these points in a graphing calculator and running the linear regression will get you the r value.
3 0
4 years ago
Ileana buys a large circular pizza that is divided into eight equal slices. She measures along the outer edge of the crust from
goldenfox [79]

Answer:

14 inches

Step-by-step explanation:

She measures along the outer edge of the crust from one piece and finds it to be 5.5 inches.

We need to find the diameter of the pizza. A pizza is divided into 8 equal parts.

The circumference of one part = \dfrac{2\pi r}{8}=\dfrac{\pi r}{4}

So,

\dfrac{\pi r}{4}=5.5\\\\2r=D=14\ inch

So, the diameter of the pizza is 14 inches.

8 0
3 years ago
The perimeter of a rectangular piece of land is 280m. People divide the land into two small pieces: a square, a rectangle. The t
puteri [66]

Step-by-step explanation:

Length of the Rectangular piece of the land = 12 + 1/2 m = 25/2 m

Breadth of the Rectangular piece of the land = 5 + 1/5 m = 26/5 m

If 4 small square flower bed of side length 1 m are made at center.

To find: Area of the rectangular land , Perimeter of the rectangle and Area of land left when flower bed are mad.

Perimeter of the rectangle = 2 × ( length + breadth )

= 2 × ( 25/2 + 26/5 )

= 2 × ( 177/10 )

= 177/5 m

= 35.4 m

Area of the rectangular land = Length × Breadth

= 25/2 × 26/5

= 5 × 13

= 65 m²

Area of a flower bed = side × side = 1 × 1 = 1 m²

Area of 4 flower bed= 4 × 1 = 4 m²

Area left in the land = 65 - 4 = 61 m²

Therefore, Perimeter of the land is 35.4 m

Area of land is 65 m²

Area of the land left after flower beds is 61 m²

3 0
2 years ago
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