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777dan777 [17]
3 years ago
7

Please help someone.....

Mathematics
2 answers:
REY [17]3 years ago
7 0

Answer:

147 ft²

Step-by-step explanation:

14 x 14 = 196

7 x 7 = 49

196 - 49 = 147

Contact [7]3 years ago
5 0

Answer:

147 sq ft

Step-by-step explanation:

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4 2<br>9 8<br>15 15 <br>22 ?<br>what will be the number in question mark?
makkiz [27]

Answer:

23

Step-by-step explanation:

Given:

The sequence of numbers is given as:

4   2

9   8

15  15

22  ?

Let the unknown number be 'x'.

Now, if we observe the numbers that are on the left or right side, we conclude that the difference between two numbers is increasing by 1 .

Right side:                                                       Left side:

8 - 2 = 6                                                           9 - 4 = 5

15 - 8 = 7 ( 6 + 1)                                               15 - 9 = 6

                                                                         22 - 15 = 7

Therefore, the next difference will also increase by 1 and will be equal to 8. So,

x - 15 = 8

Adding 15 both sides, we get:

x-15+15=8+15

x=23

Therefore, the unknown number will be 23.

7 0
3 years ago
Find the maximum rate of change of f(x,y) = x2y +2y
nevsk [136]

Answer:

Maximum rate of change at the point (-1,2) = √17

Direction is the direction of the gradient

Step-by-step explanation:

The gradient of a function (scalar or vectorial ) is a vector in the direction of maximum rate of change then

f( x,y ) =  x*2y  + 2y

grad    =  δ/δx i +  δ/δy j + δ/δz k

grad f(x,y)  = [ δ/δx i , δ/δy]  =  [ 2y , x+2 ]

at the point  ( -1 , 2 )

grad f(x,y)  = [4 , 1]

| grad f(x,y) |  =  √ (4)²  + (1)²   =  √17

4 0
3 years ago
Write the fraction of 12/15 in its simple form​
Ugo [173]

Answer:

4/5

Step-by-step explanation:

To get the answer, find the GCF (greatest common factor) of the numerator and the denominator. Once you have the GCF, divide the 12 and 15 by that number. Here, the GCF is 3.

4 0
3 years ago
Read 2 more answers
The school choir earned $5,012 selling tickets to their winter concerts. They sold 324 adult tickets for $10. 75 each. If studen
podryga [215]

answer:

<u><em>!</em></u> 278 student tickets were sold

4 0
3 years ago
What is the 100th triangular number?
krek1111 [17]

Answer:

T_1_0_0=5050

Step-by-step explanation:

A triangular number is number that can be recomposed in the form of an equilateral triangle. Each triangular number is defined by:

T_n=\frac{n^2+n}{2} \hspace{5} n\in N

Hence, evaluating n=100

T_1_0_0=\frac{(100)^{2}+100 }{2} =5050

5 0
3 years ago
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