45 - k = 27; 17, 18, 19

Answers

Answer 1
Answer: The answer would be 18 because you would subtract 45 from 27.
Answer 2
Answer: 45 - k = 27

45 - 27 = k
45 - 27 = 18

Answer: k = 18

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1.An item is priced at $14.67. If the sales tax is 7%, what does the item cost including sales tax?2.Stephanie went shopping at a store where she had a 10% off coupon. If Stephanie spent a total of $45.26 before her discount, which of the following is the closest to the amount that she will save on her purchase by using the coupon?3.Frank bought a Game Square for $43.20 during Game World's Semi-Annual Gaming Blowout. If the original price of the Game Square is $180.00, which percent of discount below is closest to the percent of discount that Frank received?4.Mrs. Davidson rode 300 miles on a passenger train. It took her 5 hours to reach her destination. What was the average speed of her train?

Every third laptop assembled is checked for defects.a.random
b.convenience
c.cluster
d.stratified
e.systematic

Answers

This is called systematic checking, as it has an order.

Round 76912 to nearest ten thousand

Answers

rounded to the nearest 10000 thousand it is 80000
76,912 to the nearest teen thousand is 78,000

Is 0.071 greater or less than 0.7

Answers

0.071<0.7\n \n0.071\ is\ less\ than\ 0.7
Yes because 0.071 is smaller than 0.7

Bruno is designing his next skateboard. The skateboard store has 3 types of grip tape, 13 types of decks, 7 types of trucks, 4 types of bearings, and 2 types of wheels. How many different skateboards can Bruno create?

Answers

Answer:

2,184 different skateboards

Step-by-step explanation:

Use the fundamental counting principle to solve this.  This is where you multiply all possible choices together to get the total...

(3)(13)(7)(4)(2) = 2,184 different choices

He can choose 1 type of grip tape and still have 13 choices for decks, 7 choices for trucks, 4 choices for bearings and 2 choices for wheels. With 3 choices for tape in the first place, he has

(3)(13)(7)(4)(2) combinations he can make

Answer:

2,184 different skateboards

Step-by-step explanation:

Hope this helps!

A convenience store sells two brands of orange juice. Brand A contains 8 fluid ounces and costs $1.28. Brand B contains 12 fluid ounces and costs $1.68. What is the difference in cost, in dollars, per fluid ounce between the two brands of juice?

Answers

Answer:

The difference between both brands is $0,02

Step-by-step explanation:

To compare both cost per ounce ,  we must get this cost for each brand. We get it dividing the price by the content.

Brand A contains 8 fluid ounces and costs $1.28.

CostA=$1.28/8 ounces

CostA=$0,16 per ounce

Brand B contains 12 fluid ounces and costs $1.68.

CostB=$1.68/12

CostB=$0,14 per ounce

The difference between both brands is Cost A- Cost B

CostA-CostB=$0,16 per ounce -$0,14 per ounce

Dif=$0,02

Brand A: 8(fl oz):$1:28
Brand B: 12:1.68
1)divide each side of the ratio
8:1.28 = 1:0.16
divide 8 by 8, and 1.28 by 8.
12: 1.68 = 1:0.14
divide each side by 12.
so, for brand A, for every one fluid oz it costs $0.16. for brand B, for every one fluid oz, it costs $0.14.
0.16-0.14= 0.02
$0.02 per fluid oz

Use synthetic division and the remainder theorem to find P ( a).
P(x)= x^3+2 x^2-3x+5, a=3

Answers

Answer:

Forgiven polynomialP(a)=a^3+2a^2-3a+5=41and when a=3 is

P(3)=41

Step-by-step explanation:

Given polynomial is P(x)=x^3+2x^2-3x+5

Remainder Theorem:

To evaluate the function f(x) for a given number "a" you can divide that function by x - a and your remainder will be equal to f(a). Note that the remainder theorem only works when a function is divided by a linear polynomial, which is of the form x + number or x - number.

By using synthetic division for given polynomial P(x)=x^3+2x^2-3x+5 and factor is (x-a)    (here x-3 is a factor given)

_3|    1      2       -3         5

        0     3       15       36

      ___________________

         1      5       12      | 41

Given polynomial can be written as

P(a)=a^3+2a^2-3a+5

To find P(a):

P(a)=a^3+2a^2-3a+5

put a=3

P(3)=3^3+2(3)^2-3(3)+5

P(3)=27+18-9+5

P(3)=41

Therefore for given polynomial P(a)=a^3+2a^2-3a+5=41 when a=3 is  P(3)=41