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Sedaia [141]
3 years ago
12

Solve 9 is subtracted from 2 times the sum of 7 and 4​

Mathematics
2 answers:
julsineya [31]3 years ago
4 0

Answer:77

Step-bystep explanation:

[9-2]  * [7+4]  

[7]   *    [11]      

7*11=77      

that is your answer plz mark me brainliest :)

Goshia [24]3 years ago
3 0

2×11+9

22+9

31

This the the way to solve this answer

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If the common difference of an ap is 3/2 and its 20 th term 35×1/2 find first term and 15 th term
Lady bird [3.3K]

Answer:

Step-by-step explanation:

d = 3/2

a₂₀ = a₁+19d

35/2 = a₁ + 19×3/2

a₁ = 35/2 - 19×3/2 = -11

a₁₅ = a₁+14d = -11 + 14×3/2 = 10

4 0
2 years ago
I need help on this may you help
HACTEHA [7]

Answer:

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Step-by-step explanation:

6 0
1 year ago
X intercept f(x)=(x+4)^2
natali 33 [55]

Answer:

<h2>-4</h2>

Step-by-step explanation:

Given the function f(x)=(x+4)², <u>the x intercept occurs at f(x)  = 0,</u> substituting f(x) = 0 into the given equation to get the value of x we have;

0 = (x+4)^{2} \\

Taking the square root of both sides

\sqrt{(x+4})^{2}  = \sqrt{0}\\ x+4 = 0\\

Subtracting 4 from both sides of the equation

x+4-4 = 0-4\\x = -4

Therefore the x intercept of the equation is -4

4 0
2 years ago
What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2
pickupchik [31]
Hello :
-5^4+4n^2-n+5  : the coefficient of n^2 is : 4<span>
 7n^4-5n^3-9n^2+3n+2 : </span><span>he coefficient of n^2 is :-9</span>
4 0
3 years ago
2a-2,2a+2,6a-2<br>ans. <br>1) -3 <br>2) -2 <br>3) 2 <br>4) 3​
Gala2k [10]

Answer:

the answer is 3 because 2a-2a+6a-2+2+2

2a-2a=0

6a-2+2+2=

6a-6

a= 3

8 0
2 years ago
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