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alexdok [17]
2 years ago
14

❗❗100points❗❗

Mathematics
2 answers:
Lyrx [107]2 years ago
7 0
The cell is the smallest structural and functional unit of living organisms, which can exist on its own. Therefore, it is sometimes called the building block of life. Some organisms, such as bacteria or yeast, are unicellular—consisting only of a single cell—while others, for instance, mammalians, are multicellular.
kotykmax [81]2 years ago
6 0

Answer:

Answer: Sample Response: The height of the triangle will be twice the height of the rectangle. The area of a triangle is ½ bh and the area of a rectangle is bh. If the bases are the same, then the height of the triangle has to be double that of the rectangle in order to get the same area.

Step-by-step explanation:

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Y’all I really need help with this, please help !!
gogolik [260]
2. The chord is bisected by the segment from the center, so you have a right triangle with legs 4 and 6. The hypotenuse is the radius of the circle, x.
   x = √(4^2 +6^2) = √(16+36) = √52
   x = 2√13

4. By the rules for secants, the product of the lengths of the parts of the chord is the same in each case.
   3*7 = 2*x
   x = 21/2
   x = 10.5

6. The measure of angle "a" is the average of the two intercepted arcs.
   a = (165° + 55°)/2
   a = 110°
Of course, b is its supplement.
   b = 180° - 110°
   b = 70°

8. Secant rules again. The products of the near and far lengths are the same in each case. When the segment is a tangent, the near and far lengths are the same, so it is the square of the tangent length.
   x² = 4(4+12) = 64
   x = 8

10. This works the same way as problem 2. Here, it looks like you have a triangle with hypotenuse 6 and side length 3. The other side length is
   half-chord = √(6² -3²) = √(36 -9) = √27 = 3√3
   AB = 2*(half-chord) = 2*3√3
   AB = 6√3

12. The equation of a circle of radius r and center (h, k) is
   (x-h)² + (y-k)² = r²
Of course, the "passes through" point must satisfy the equation, so you have
   (x-3)² + (y-0)² = r² = (-2-3)² + (-4-0)² = 25+16
   (x-3)² + y² = 41

14. Same as 12. Radius is 4.
   (x+5)² + (y-2)² = 16

16. Radius 2, center (0, -1).
   x² + (y+1)² = 4

18. The angle bisectors for the axes are the lines
   y = x
   y = -x
Here's a plot.

5 0
3 years ago
The total area of a prism can be found by multiplying the perimeter of the base times the height of the prism.
Anna35 [415]
It is false that the <span>total area of a prism can be found by multiplying the perimeter of the base times the height of the prism. If you did that, you'd get the lateral area of that prism, and not the total area. You'd need to add the area of both bases in order to calculate what the total area of a prism is. </span>
4 0
2 years ago
The circumference of one coin is 8.03cm. The circumference of another coin is 0.33cm smaller. A.) what is the first step to find
Burka [1]

Answer:

Diameter of the smaller coin = 2.46 cm

Step-by-step explanation:

Circumference of a coin = 2πr

Circumference of coin A = 8.03 cm

Circumference of coin B = 8.03 cm - 0.33 cm

A.) what is the first step to find the diameter of the smaller coin?

Find the circumference of coin B

Circumference of coin B = 8.03 cm - 0.33 cm

= 7.7 cm

B.) Find the diameter of the smaller coin.

Circumference of a coin = 2πr

7.7 = 2 × 3.14 * r

7.7 = 6.28r

r = 7.7 / 6.28

r = 1.23 cm

Diameter = 2r

= 2 * 1.23 cm

= 2.46 cm

Diameter of the smaller coin = 2.46 cm

4 0
2 years ago
Income amelia has a job babysitting for a neighbor. She is paid $20 plus $2.50 for each hour on the job. If amelia wants to earn
yarga [219]
Ok so firsst you do 40-20=20 20÷2.50=8 so that means amelia needs to babysit 8 hours to get $40
hope this helpd
4 0
3 years ago
What is the answer I need help!
g100num [7]

Answer:

B

Step-by-step explanation:

y³=64

y=(64)^{\frac{1}{3} } =\sqrt[3]{64}

5 0
2 years ago
Read 2 more answers
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