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Oduvanchick [21]
3 years ago
13

John bought a cell phone for $99 and the %7 sales tax was added at the register. John gave the cashier six $20 bills, how much c

hange should he receive?
Mathematics
2 answers:
lord [1]3 years ago
8 0
6.93 = tax

105.93 = total

He would receive $14.07
emmasim [6.3K]3 years ago
5 0
he should receive 14.7.hope this helps
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the ans is in the picture with the steps  

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Step-by-step explanation:

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3 years ago
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Which number has the least value?
Vlad1618 [11]

Answer:

Your annswer is b

Step-by-step explanation: because it is least than all of the others

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What is the rule for the following geometric sequence? 64,128,256,512...
professor190 [17]

Answer:

B

Step-by-step explanation:

The explicit rule for a geometric sequence is

a_{n} = a₁ (r)^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 64 and r = \frac{a_{2} }{a_{1} } = \frac{128}{64} = 2 , then

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2 years ago
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Given that $x \le -7,$ identify all the correct conclusions. (A) $3x \le -21.$ (B) $3x \ge -21.$ (C) $-3x \le 21.$ (D) $-3x \ge
exis [7]

Answer:

Options A and D are correct choices.

Step-by-step explanation:

We have been given an inequality x\leq -7 and we are asked to find the correct options from our given choices.

Let us solve inequalities in our given options one by one to see which of these matches with our given inequality.

(A) 3x\leq -21  

x\leq \frac{-21}{3}

x\leq -7

We can see that option A gives the same answer as our given inequality, therefore, option A is the correct choice.

(B) 3x\geq -21

x\geq \frac{-21}{3}

x\geq -7

This inequality represented in option C gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option B is incorrect.

(C) -3x\leq 21

Dividing inequality by a negative number swaps inequality sign.

x\geq \frac{21}{-3}

x\geq -7

This inequality gives solution that x should be greater than or equal to -7, which is opposite to our given inequality, therefore, option C is incorrect.

(D) -3x\geq 21  

Dividing inequality by a negative number swaps inequality sign.

x\leq \frac{21}{-3}

x\leq -7

We can see that option D gives the same answer as our given inequality, therefore, option D is the correct choice.  

8 0
3 years ago
Apply the Distributive Property and simplify.<br> - 8(x + 3) = 24<br> - 8x +<br> = 24
Marysya12 [62]

Answer:

x=-6

Step-by-step explanation:

-8(x+3)=24 first, divide both sides to get x+3=-3

then move the constant to the right and change its sign to get x=-3-3 and calculate to get your answer.

hope this helps!

4 0
2 years ago
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