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frozen [14]
3 years ago
6

Find the value of 7-2x when x=-3

Mathematics
2 answers:
natita [175]3 years ago
5 0
Substitute in the -3
7-2(-3)
According to PEMDAS (parentheses, exponents, multiply, divide, add, subtract ) you must multiply, and then subtract.
7- (-6)
7 + 6= 13
Answer is 13
11111nata11111 [884]3 years ago
3 0
This is the answer: 7-2x when X=3 is 13.
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I solved it myself and my result is (n+1)/n. Why is that 1/2 there? An explanation would be great if possible. Thanks!
katovenus [111]

Answer:

The product of (k + 1) series starts with 3 (because k = 2) and you need 2 to be multiplied to this in order to get (n + 1)!

Therefore you need to multiply 2 and 1/2 to make it right. 2 completes the factorial and 1/2 remains.

Hope it was clear explanation.

6 0
3 years ago
HELP PLEASE! WILL GIVE BRAINLIEST TO THE BEST ANSWER!
RSB [31]
A:7 hope with helps :)
7 0
3 years ago
HELP, EXTRA POINTS AND BRAINIEST UMM DONT GUESS AND "NO NO NOOO LINKS" ty
3241004551 [841]

Answer:

236.3 feet squared.

Step-by-step explanation:

Base Surface Area =  8 squared

=  64 feet squared

Lateral Surface Area =  

2×8× √  

( 8 )2 + 102

2

=  172.3 feet sqaured

Total Surface Area = 236.3 feet squared

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7 0
3 years ago
Use the remainder Theorem and synthetic division to find p(3) for p(x) = x4 + x3 -x2 - 2x
maxonik [38]

You do not need to use the remainder theorem to find p(3). Just plugin 3 where the x is located in

x^4 + x^3 - x^2 - 2x

3^4 + 3^3 - 3^2 - 2(3) = 93

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3 years ago
30 points!!!Find m A) 5 degrees <br> B) 10 degrees<br> C) 30 degrees <br> D) 40 degrees
Neporo4naja [7]

Answer:

the answer is c

Step-by-step explanation:

the answer is C because m A equals that is you know how too do it

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