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elena55 [62]
3 years ago
14

I really need help with the whole page. Any help will be really helpful.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0
The x is going by 15 and the y is going by 5
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What is the sum of all integers between 19 and 77 squared rooted?
Alex Ar [27]
4<√19<5 
8<√77<9
so the quality numbers are 5,6,7,and 8
5+6+7+8=26 
so the answer is 26
4 0
3 years ago
Help on this please.
olga55 [171]

Answer:

total - given, 360 -139 = 221

4 0
2 years ago
Finding area of shaded sectors.
tekilochka [14]

Answer:

69.81 sq. m. (rounded to 2 decimal places)

Step-by-step explanation:

The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:

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

Where

\theta  is the central angle

r is the radius

Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:

\theta = 80

Also, the radius of the circle shown is 10 meters, so

r = 10

Now, we substitute in formula and find our answer:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{80}{360}*\pi (10)^2\\A=\frac{2}{9}*100\pi\\A=\frac{200\pi}{9}\\A=69.81

Thus,

The area of the shaded sector is 69.81 sq. meters.

5 0
3 years ago
2. A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at
galben [10]

Answer:

c

the total number of marbles are 12 and there are 3 colours so you divide 12 by 3

6 0
3 years ago
Read 2 more answers
What is this expression in simplified form? (v22)(5v2)​
elixir [45]

Answer:

5v24

Step-by-step explanation:

(v22)(5v2) = 5v(2+22) = 5v24

3 0
3 years ago
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