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GaryK [48]
3 years ago
8

Can yalllll plllllssss hellppp meeee

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0
Ummm .... the answer is D
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Aubrie computed the average of her six biology test scores by mistakenly
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Answer would be 87. ^^
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The diagram shows a logo made from 3 circles. Each circle has a centre 0. daisy says exactly 1/3 of the circle is shaded. is dai
marusya05 [52]

Daisy is not correct. The shaded part is 3/50 that of the whole circle.

<h3>Is Daisy correct?</h3>

In order to determine if Daisy is correct, the area of the circle and the area of the shaded part has to be determined.

Area of the circle = = πr²

Where :

π = pi = 22/7

r = radius = 4 + 3 + 3 = 10

10²π = 100π

Area of the shaded part = 3²π = 9π

Ratio of the areas = 9π / 100π

To learn more about the area of a circle, please check: brainly.com/question/14351152

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2 years ago
WILL GIVE A BRAINLIEST!!
sergij07 [2.7K]
If the vertex is at the maximum point they dy/dx=0 at that point...

dA/dx=-2x+4

dB/dx=-2x+8

dC/dx=2x-4

dD/dx=2x-8

So both B and D have a zero velocity at x=4, but only B is equal to 3 when x=4

B. is the correct quadratic with the vertex at (4,3)
4 0
4 years ago
Read 2 more answers
Two consecutive odd numbers total -20 find the smaller
Yakvenalex [24]

Answer:

-9

Step-by-step explanation:

use an equation to solve this

consecutive means in succession, one after the other

since they're odd, both numbers have to be odd

let x be the first number

x+x+2=-20

+2 because if you only +1, one of the numbers would be even

2x+2=-20

-2. -2

2x=-22

x=-11

the smaller would be -9 since we are adding x and x+2 together

6 0
2 years ago
Please help and Imma be postin these all night I literally suck at algebra two so just check my profile if your good at math :)
Simora [160]

Answer:

The range of the equation is y ≥ 9 ⇒ C

Step-by-step explanation:

The quadratic equation y = ax² + bx + c, represents by a parabola of vertex (h, k), where h = \frac{-b}{2a} and k is the value of y at x = h

  • The range of the quadratic if it has a minimum vertex is y ≥ k, and y ≤ k if it has a maximum vertex
  • The parabola has a minimum vertex if the value of a is positive and a maximum vertex if the value of a is negative

∵ The equation is y = x² + 9

→ Compare it with the form above to find a and b

∴ a = 1 and b = 0

∵ a is a positive number

∴ The parabola has a minimum vertex

→ By using the 1st rule above

∴ The range is y ≥ k

→ Use the rule of h above to find it

∵ h = \frac{-(0)}{2(1)} = \frac{0}{2}

∴ h = 0

→ To find k substitute x by the value of h and y by k

∵ k = (0)² + 9

∴ k = 0 + 9

∴ k = 9

∴ The range of the equation is y ≥ 9

5 0
3 years ago
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