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krok68 [10]
2 years ago
10

Which expression is equivalent to7(a+2)

Mathematics
2 answers:
Contact [7]2 years ago
8 0

Answer:

7a+14

or a=2

Step-by-step explanation:

you distribute to the numbers in the parenthesis and divide to get the answer for a

Vanyuwa [196]2 years ago
6 0

Answer:

7a + 14

just multiply 7 by both a and 2

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The tangent line to y= f(x) at (4,-6) passes through the point (10,9) Compute the following, f(4) and f'(4)
Anni [7]
The solution to your problem is as follows:

The tangent line passes through (4,-6), so x = 4 when y = -6 

=> f(4) = -6 

The tangent line will have a constant gradient. 

gradient is m = (-6 - 9)/(4 - 10) => 5/2

Equation is y - 9 = (5/2)(x - 10) 

=> y - 9 = (5/2)(x-10) 

<span>i.e. y = (5/2)(x-10) + 9 
</span>      y = (5/2)x - 25 + 9 =   y = (5/2)x - 16

Now, f '(x) = dy/dx = 5/2

so, f '(4) = 5/2....i.e. gradient is 5/2 whatever the value of x. 


I hope my answer has come to your help. Thank you for posting your question here in Brainly.

3 0
3 years ago
Simplify<br> (6.89 + 14.52) + (-14.52) =
RUDIKE [14]

Answer:

6.89

Step-by-step explanation:

Add 6.89 and 14.52 together. Subtract 14.52 from that. You should get 6.89. Hope this helps.

4 0
3 years ago
Approximately 19.7 million African-American voted in the presidential election with almost 3 million more female than male. What
9966 [12]

Step-by-step explanation:

the answer would be 64 became yeah 64 is the andwer

5 0
3 years ago
I will give brainliest to whoever answers!
Aleksandr-060686 [28]

Answer:

C   34  cm

Step-by-step explanation:

Area = L x W

  72  = 8 x W     then W = 9

Perimeter = 2 ( L+W) = 2 ( 8+ 9) = 34  cm

3 0
2 years ago
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An equation that results in a true statement has infinitely many solutions. Does the equation below have infinitely many solutio
Zarrin [17]
No, it’s equal to each other
7 0
2 years ago
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