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daser333 [38]
3 years ago
11

50 Σ (4n - 1) = [? ] 1

Mathematics
1 answer:
Kay [80]3 years ago
3 0

Answer:

5050

Step-by-step explanation:

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Look at the bottom of the pictures to see what number it is
kondaur [170]

Step-by-step explanation:

hence the value of y=-9/4and k=-16.

3 0
3 years ago
adult tickets to a play cost $22. tickets for children cost $15. tickets for a group of 11 people cost a total of $228. write an
Tom [10]

Adults = 9

Children = 2


Let x be the number of adults.

11-x is the number of children.


22x + 15(11-x) = 228

22x + 165 - 15x = 228

22x - 15x = 228 - 165

7x = 63

7x / 7 = 63 / 7

x = 9  number of adults.


11 - x = 11 - 9 = 2 number of children.


To check:


22x + 15(11-x) = 228

22(9) + 15(11-9) = 228

198 + 30 = 228

228 = 228


(not my answer btw)

3 0
3 years ago
Read 2 more answers
Can anyone please answer question 1 please it’s for my homework!! Xx
astraxan [27]
1/4 of her original money is 1.25 + 1.60 = 2.85

She started with 2.85 * 4 = 11.40 pounds.
6 0
3 years ago
5and 2/5 plus 2 and 3/5
HACTEHA [7]

Answer:

8

Step-by-step explanation:

Add the whole numbers:

5 + 2 = 7

Add the fractions:

2/5 + 3/5 = 5/5 = 1

Add these together:

7 + 1 = 8

Hope this helps!

4 0
3 years ago
Ments
maw [93]

The sector area and the arc length are 34.92 square inches and 13.97 inches, respectively

<h3>How to find a sector area, and arc length?</h3>

For a sector that has a central angle of θ, and a radius of r;

The sector area, and the arc length are:

A = \frac{\theta}{360} * \pi r^2 --- sector area

L = \frac{\theta}{360} * 2\pi r ---- arc length

<h3>How to find the given sector area, and arc length?</h3>

Here, the given parameters are:

Central angle, θ = 160

Radius, r = 5 inches

The sector area is

A = \frac{\theta}{360} * \pi r^2

So, we have:

A = \frac{160}{360} * \frac{22}{7} * 5^2

Evaluate

A = 34.92

The arc length is:

L = \frac{\theta}{360} * 2\pi r

So, we have:

L = \frac{160}{360} * 2 * \frac{22}{7} * 5

L = 13.97

Hence, the sector area and the arc length are 34.92 square inches and 13.97 inches, respectively

Read more about sector area and arc length at:

brainly.com/question/2005046

#SPJ1

8 0
2 years ago
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