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Nina [5.8K]
3 years ago
14

A shopkeeper calculates that the tax on a pair of sunglasses is $2.185. What is the tax rounded to the nearest penny

Mathematics
2 answers:
IrinaK [193]3 years ago
5 0
$2.19 or 19 cents is your answer hop it helps
irina [24]3 years ago
3 0
The tax rounded to the nearest penny would be $2.19 because you would round the 5 up.
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A new 70-inch tv is on sale. With sales tax 5%, the cost of the tv is $3150. What is the purchase
SVETLANKA909090 [29]

x - 0.05x = 3150 \\ 0.95x = 3150 \\ x = 3315
4 0
3 years ago
6x-y=-23 8x+3y=-9 Substition method (Show it step by step please!)
Tanya [424]

Answer:

solution is (- 3, 5 )

Step-by-step explanation:

given the 2 equations

6x - y = - 23 → (1)

8x + 3y = - 9 → (2)

rearrange (1) expressing y in terms of x

y = 6x + 23 → (3)

Substitute y = 6x + 23 into (2)

8x + 3(6x + 23 ) = - 9

8x + 18x + 69 = - 9

26x + 69 = - 9 ( subtract 69 from both sides )

26x = - 78 ( divide both sides by 26 )

x = - 3

substitute x = - 3 into (3)

y = (6 × - 3 ) + 23 = - 18 + 23 = 5

solution is (- 3, 5 )


5 0
3 years ago
The graphs of f(x) and g(x) are shown below: graph of function f of x open upward and has its vertex at negative 7, 0. Graph of
dexar [7]

The equation of the function is g(x)=(x+7)² -2 , Option D is the correct answer.

<h3>What is a Function ?</h3>

A function is a mathematical statement that defines relation between two variables.

The f(x) = (x+7)²

The equation for g(x) is ?

graph of function f of x open upward and has its vertex at (-7,0).

Graph of function g of x opens upward and has its vertex at (-7,2).

g(x) is formed by the translation of the function f(x) such that it's vertex is (-7,-2)

Therefore the equation of the function is

g(x)=(x+7)² -2

Therefore , the translation is a shift of the function f(x) 2 units down

Option  D is the correct answer.

To know more about Function

brainly.com/question/12431044

#SPJ1

3 0
2 years ago
How do you solve 6-4(-3)-5?
Mnenie [13.5K]

-3(5-6)-4(2-3)

Handling parentheses first:

-3(-1)-4(-1)

Multiplication left to right:

3-4(-1)

3-(-4)

Rewriting the above we have:

3+4=7

4 0
3 years ago
8 1/16 - 5 1/2 what is the answer ?
My name is Ann [436]
The answer would be 2 and 9/16 or 41/16 and in decimal form its 2.5625
5 0
3 years ago
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