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kakasveta [241]
3 years ago
11

A is directly proportional to b

Mathematics
1 answer:
KonstantinChe [14]3 years ago
8 0

Answer:

a = kb

Step-by-step explanation:

"a is directly proportional to b" is expressed as a = kb, where k is the "constant of proportionality."

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Select the correct answer.
Darya [45]

Answer:

The function is neither even nor odd.

Step-by-step explanation:

A function is odd if:

f(x) = - (f-x)

A function is even if:

f(x) = f(-x)

A function is neither odd nor even if neither of the above two equalities are true, that is to say:

f(x) != f(-x) and f(x) != -f(-x)

Which is our case. (because substituting (-x) in place of (x) will not give us either of the equations. So the function is neither odd, nor even.

6 0
2 years ago
4. Decide if the segment lengths form a triangle. If they do, Indicate whether the triangle is acute, right, or obtuse.
beks73 [17]
To see if line segments may form a triangle basically one must check if the sum of two sides are greater than the third. 
 a + b > c
a + c > b
b + c > a

a. can form a triangle
b. can form a triangle
c. can form a triangle
d. cannot form a triangle as 14 + 21 = 35 which is not greater than 36

a = right triangle with the right angle between 16 and 30
b = acute triangle
c = obtuse triangle with teh obtuse angle between 7 and 24
7 0
3 years ago
Help asap!<br> its a surface area problem, please explain your answer.
Lapatulllka [165]

Answer:

Therefore, 448 inches² Wrapping paper is needed to wrap a present.

Step-by-step explanation:

The Present Shape as per dimensions it is CUBOID

Given:

Length = 8 inches

Width = 8 inches

Height = 10 inches

To Find:

Surface Area of Cuboid = ?

( Wrapping paper is needed to wrap a present )

Solution:

By Formula we have

\textrm{Surface Area of Cuboid}= 2(Length\times Width +Width\times Height + Height\times Length)

Substituting the given value in above formula we will get

\textrm{Surface Area of Cuboid}= 2(8\times 8 + 8\times 10 + 10\times 8)\\\\\textrm{Surface Area of Cuboid}= 2(224)\\\\\textrm{Surface Area of Cuboid}= 448\ inches^{2}

Therefore, 448 inches² Wrapping paper is needed to wrap a present .

8 0
3 years ago
The product of x and 8 is not less than 16
Marrrta [24]

Answer:

x ≥ 2

Step-by-step explanation:

The inequality would be: <em>x * 8 ≥ 16</em>

8x ≥ 16

x ≥ 16/8

<u>x ≥ 2</u>

Hope this helps!

5 0
3 years ago
Read 2 more answers
Write the equation of the circle centered at ( 4 , − 5 ) with radius 18.
Free_Kalibri [48]

Answer:

(x-4)^2 + (y+5)^2 = 324

Step-by-step explanation:

The equation of a circle is given by the equation (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center point of the circle.

Therefore, since the center point of the circle and the radius is given, we can just plug the numbers into the formula:

(x-4)^2 + (y+5)^2 = 18^2

<u>(x-4)^2 + (y+5)^2 = 324</u>

3 0
3 years ago
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