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Slav-nsk [51]
3 years ago
9

While catching fireflies, you and a friend decide to have a competition. After m minutes, you have (3m+13) fireflies and your fr

iend has (4m+6) fireflies. a. Write an expression in simplest form that represents the number of fireflies you and your friend caught together. Expression:
Mathematics
1 answer:
satela [25.4K]3 years ago
5 0

Answer:

7m + 19

Step-by-step explanation:

you: 3m + 13

Friend: 4m + 6

Add

Total = you + your friend

Total = 3m + 13 + 4m + 6   Put like terms together

Total = 3m + 4m + 13 + 6   Combine like terms

Total = 7m + 19

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Nat2105 [25]
Exact Form:
t=1+√61/6,1−√61/6
t=1+61/6,1-61/6
Decimal Form:t=1.46837494…,−1.13504161
7 0
3 years ago
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Which of the following are identities? check all that apply.
Feliz [49]

Answer: (a), (b), (c), and (d)

Step-by-step explanation:

Check the options

(a)\\\Rightarrow [\sin x+\cos x]^2=\sin ^2x+\cos ^2x+2\sin x\cos x\\\Rightarrow [\sin x+\cos x]^2=1+2\sin x\cos x\\\Rightarrow \Rightarrow [\sin x+\cos x]^2=1+\sin 2x

(b)\\\Rightarrow \sin (6x)=\sin 2(3x)\\\Rightarrow \sin 2(3x)=2\sin (3x)\cos (3x)

(c)\\\Rightarrow \dfrac{\sin 3x}{\sin x\cos x}=\dfrac{3\sin x-4\sin ^3x}{\sin x\cos x}\\\\\Rightarrow 3\sec x-4\sin ^2x\sec x\\\Rightarrow 3\sec x-4[1-\cos ^2x]\sec x\\\Rightarrow  3\sec x-4\sec x+4\cos x\\\Rightarrow 4\cos x-\sec x

(d)\\\Rightarrow \dfrac{\sin 3x-\sin x}{\cos 3x+\cos x}=\dfrac{2\cos [\frac{3x+x}{2}] \sin [\frac{3x-x}{2}]}{2\cos [\frac{3x+x}{2}]\cos [\frac{3x-x}{2}]}\\\\\Rightarrow \dfrac{2\cos 2x\sin x}{2\cos 2x\cos x}=\dfrac{\sin x}{\cos x}\\\\\Rightarrow \tan x

Thus, all the identities are correct.

4 0
3 years ago
PLEASE ANSWER I WILL MARK AS BRAINLIESTTTTTT
iogann1982 [59]

Answer:

56a + 40b

Step-by-step explanation:

hope this helps!

6 0
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Need answer to question below
anyanavicka [17]

Answer:

2nd

Step-by-step explanation:

The blocks from the bottom up are: 123. Each column has one 1 one 2 and one 3. So only 2 can be the right answer.

I'm not that familiar with these problems, check my answer just in case.

3 0
3 years ago
​What number could be replaced with t? 1/3 = 2/t
vekshin1
T(1÷3)=2
t=2÷(1÷3)
t=2×3
t=6
7 0
4 years ago
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