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3 years ago

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Mathematics

2 answers:

Likurg_2 [28]3 years ago

5 0

Answer:

1.92

Step-by-step explanation:

multipy 8 by .08 to get the sales tax amount

to find the total cost (if you need it) add the sales tax to the original cost

hope it helps

Mazyrski [523]3 years ago

3 0

Answer:

1.92

Step-by-step explanation: niueikieoewdn4u

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Write each of the equations below in standard form (i.e. y = ax^2+bx+c y=ax 2 +bx+c):

ArbitrLikvidat [17]

C . Is the answer
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4 years ago

Which expression represents the approximate length of

uysha [10]

Answer:

Step-by-step explanation:

7 0

3 years ago

The table shows a proportional relationship between the number of pounds of bananas purchased and the total cost of bananas.

Liula [17]

Answer:

Choice A, C and E

Step-by-step explanation:

Your table is poorly presented

Given

x y

$\begin{array}{cc} {3} & {1.47} \ \\ {5} & {2.45} \ \\ {9} & {4.41} \ \ \end{array}$

First, we calculate the constant of proportionality (k)

$k = \frac{y}{x}$

For (3,1.47)

$k = \frac{1.47}{3}$

$k = 0.49$

For (5,2.45)

$k = \frac{2.45}{5}$

$k = 0.49$

For (9,4.41)

$k = \frac{4.41}{9}$

$k = 0.49$

From the above calculations, the constant of proportionality is 0.49.

So, the usable rows must also have 0.49 as their constant of proportionality

Choice A

$(x,y) = (2,0.98)$

$k = \frac{0.98}{2}$

$k = 0.49$ --- This is usable

Choice B

$(x,y) = (7,4.45)$

$k = \frac{4.45}{7}$

$k = 0.64$ --- This is not usable

Choice C

$(x,y) = (6,2.94)$

$k = \frac{2.94}{6}$

$k = 0.49$ --- This is usable

Choice D

$(x,y) = (1,0.54)$

$k = \frac{0.54}{1}$

$k = 0.54$ ---- This is not usable

Choice E

$(x,y) = (8,3.92)$

$k = \frac{3.92}{8}$

$k = 0.49$ --- This is usable

5 0

3 years ago

It takes Evelyn, traveling at 36 mph, 45 minutes longer to go a certain distance than it takes Ricky traveling at 72 mph. Find t

navik [9.2K]

The distance travelled by both Evelyn and Ricky is 45 miles

If Speed = dist/time, then;

dist = speed * time

We also know that both of them travel the same distance, so we equate the distance travelled to each other

36 * x+45 = 72 * x

36x + 1620 = 72x

72x - 36x = 1620

36x = 1620

x = 1620/36

x = 45 miles

learn more about distance covered here brainly.com/question/17894416

5 0

3 years ago

If you answer right good review

horsena [70]

3rd one... the one below the first option gl

3 0

3 years ago

Read 2 more answers