3 years ago

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Mathematics

1 answer:

Paladinen [302]3 years ago

3 0

$13,024.74. Use an interest calculator.

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Combine the like terms to create an equivalent expression 5k+(-2k)-(-1)

Ad libitum [116K]

Answer:

3k+1

Step-by-step explanation:

5k+-2k= 3k

3k--1 = 3k+1

hope this helps!!!!!!!!!!

3 0

3 years ago

The triplets, nick, Brian, and dan, exit their preschool classroom every day in a random order. Create an organized list to show

AfilCa [17]

The set of all possibilities is called sample space and is denoted by S.

So, S = {NBD, NDB, BDN, BND, DBN, DNB} and n(S) = 8

and we need to find the probability of NBD

E = {NBD} and n(E) = 1

The probability of an even is defined by p(E) = $\frac{n(E)}{n(S)}$

Hence, p(E) = $\frac{1}{8}$

4 0

3 years ago

Colton gave out a survey to some students in his school about their favorite color. 470 of those surveyed said their favorite co

Tanzania [10]

Answer:

500

Step-by-step explanation:

Convert percent to decimal:

94%=

100

=0.94

Move decimal 2 places to the left

Multiplying the decimal by the whole gives us the part:

0.94x=

470

0.94

0.94x = 0.94

470

Divide both sides by 0.94x=

500

7 0

3 years ago

X<br>81** *34*=246<br><img src="https://tex.z-dn.net/?f=81x%20%2B%201%20%2B%203%7B4x%20%7D%20%3D%20246" id="TexFormula1" title="

anzhelika [568]

Answer:

$x=\frac{1}{4}$

Step-by-step explanation:

$81^{x+1}+3^{4x}=246$

$81=3^4$

Rewrite equation: $3^{4\left(x+1\right)}+3^{4x}=246$

$3^{4\left(x+1\right)}=3^{4x}\times 3^4$

$3^{4x}\times 3^4+3^{4x}=246$

Factor out $3^{4x}$ :

$3^{4x}\left(3^4+1\right)=246$

Divide both sides by $(3^4+1)$ :

$\frac{3^{4x}\left(3^4+1\right)}{3^4+1}=\frac{246}{3^4+1}$

$3^{4x}=\frac{246}{3^4+1}$

$3^{4x}=\frac{246}{82}$

$3^{4x}=3$

Anything to the power of 1 is itself. Hence,

$4x=1\\$

$x=\frac{1}{4}$

3 0

4 years ago

Need Help With this question ASAP please help me

Fiesta28 [93]

Answer:

23.5, 23, 13, 12.5

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers