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Goryan [66]
3 years ago
5

How to do it i don’t understand it

Mathematics
1 answer:
Sphinxa [80]3 years ago
3 0

When we are given a function f(x) and we are asked for f(a) [a is any number], it means to replace (or substitute) a into x in the function (x=a)

In this problem, we are asked to replace x with 2 in f(x), the first equation, and replace x with 3 in the second equation.

It looks like this:

f(2) = 2^3 + 5(2)^2 = 8 + 5(4) = 8 + 20 = 28

g(3) = 2(3) + 4 = 6 + 4 = 10

We finally just add these two numbers from f(2) and g(3) and get 28 + 10 = 38

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For all integers n, if n2 is odd, then n is odd. Use a proof by contraposition, as in Lemma 1.1.
Mumz [18]
<span>contraP is to flip and negate the prepositions right? if A then B, if -B then -A

Can I have Brainlest please?

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5 0
3 years ago
Please answer all the questions. They are pretty easy!
tatuchka [14]

Answer:

31. A

32.A

33.B

34.C

7 0
3 years ago
Read 2 more answers
Please help. will give brainliest ​
vichka [17]

Answer:

  • B. The probability that the student received a grade better than C is 0.45

Step-by-step explanation:

<u>Total number of students:</u>

  • 15 + 30 + 35 + 16 + 4 = 100
<h3>Statements</h3>

A.

  • p(<D) = 4/100 = 0.04
  • 0.04 ≠ 0.2
  • Incorrect

B.

  • p(>C) = (30 + 15)/100 = 45/100 = 0.45
  • 0.45 = 0.45
  • Correct

C.

  • p(not A or B) = (100 - 15 - 30)/100 = 55/100 = 0.55
  • 0.55 ≠ 0.45
  • Incorrect

D.

  • p(B or C) = (30 + 35)/100 = 65/100 = 0.65
  • 0.65 ≠ 0.35
  • Incorrect

6 0
2 years ago
I give up i might have to pull an allnighter
netineya [11]

Answer:

Yes, they are congruent

Step-by-step explanation:

Yes, they are congruent because all the side and angle lengths are congruent.

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=x%20%2B%205%20%20%5Cgeqslant%2012%20%5C%5C%20" id="TexFormula1" title="x + 5 \geqslant 12 \\
N76 [4]

Hello from MrBillDoesMath!

Answer:

x >= 7

Discussion:

x + 5 >= 12                  =>  add -5 to both sides

x + 5 -5 >= 12 - 5        => as 5-5 = 0 and 12 =5 = 7

x >= 7

Thank you,

MrB

6 0
3 years ago
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