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Black_prince [1.1K]
3 years ago
11

What % of 300 is 30​

Mathematics
1 answer:
algol133 years ago
5 0

Answer:10%

Step-by-step explanation:

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Alja [10]

Answer: she made 11 sparkelers and gavin made 21

Step-by-step explanation:

4 0
3 years ago
PLEASE ANSWER ASAP, THIS IS A TEST QUESTION (NO SCAM ANSWERS PLS + I WILL MARK YOU BRAINLIEST)
vfiekz [6]

Answer:

the answer for this sub-question is 43/90. This is assuming your teacher wants you to write it in fraction form. If she or he wants you to write it in decimal form, then 43/90 = 0.4778 approximately which converts to 47.78%

Answer in fraction form: 43/90

Answer in decimal form: 0.4778 (round this however you are instructed to)

Answer in percent form: 47.78% (round this however you are instructed to)

Step-by-step explanation:

8 0
3 years ago
How Do I do this? What’s the Answer?
frez [133]
F(x) = 5x

for f(7) you replace x with 7 so it will be : f(7) = 5(7) = 35
3 0
3 years ago
A real estate company wants to build a parking lot along the side of one of its buildings using 400 feet of fence. If the side a
svetlana [45]

Answer:

1.) Therefore the side parallel to the building is 100 feet.

2.) The side perpendicular to the building is 200 feet.

Step-by-step explanation:

The parking lot, which is rectangular,  is built along the side of one of its buildings.

The side of the parking lot which is alongside the building needs no fence,

let us say that this side is of length y.

Let the perpendicular to the building be of length x.

The perimeter of the parking lot that actually needs to be fenced  = 2x + y

The amount of fencing available  = 400 feet.

Therefore 2x + y = 400    ....    (i)

Therefore y = 400 - 2x     ....    (ii)

The area of the parking lot, A = xy   =   x ( 400 - 2x)  =   400x - 2x^2   ....   (iii)

Therefore \frac{dA}{dx}  = \frac{d(400x - 2x^2}{dx}  = 400 - 4x     ....   (iv)

Also we get \frac{d^2A}{dx^2}  = -4     ....    (v)

Hence we will get the maximum value of the parking lot by equating the first order differential of area, A to zero as the second order differential of area, A is negative.

Therefore from (iv) we get 400 - 4x  = 0     ∴ x = 100 feet

y  = 400 - 2x = 400 - 200 = 200 feet.

1.) Therefore the side parallel to the building is 100 feet.

2.) The side perpendicular to the building is 200 feet.

6 0
3 years ago
Help with this math question
Zielflug [23.3K]

The answer is: 2 seconds

The explanation for this answer is shown below:

1. By definition, the amount of second required for the pendulum to move from its resting position and return, is the period.

2. As you can see in the graph attached in the exercise, the wave interval is repeating every two units of x (or 2 seconds).

3. Therefore, the period is 2 seconds.

7 0
3 years ago
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